./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-85.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-85.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 5e929c4003dd56b80bb766773f31b5c9376f023636b5de2c888cd8fd3433b56e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 13:42:54,817 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 13:42:54,872 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 13:42:54,876 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 13:42:54,876 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 13:42:54,899 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 13:42:54,900 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 13:42:54,900 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 13:42:54,901 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 13:42:54,904 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 13:42:54,904 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 13:42:54,904 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 13:42:54,905 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 13:42:54,905 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 13:42:54,905 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 13:42:54,905 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 13:42:54,905 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 13:42:54,905 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 13:42:54,906 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 13:42:54,906 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 13:42:54,906 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 13:42:54,907 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 13:42:54,907 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 13:42:54,908 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 13:42:54,908 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 13:42:54,908 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 13:42:54,908 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 13:42:54,908 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 13:42:54,909 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 13:42:54,909 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 13:42:54,910 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 13:42:54,910 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 13:42:54,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 13:42:54,910 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 13:42:54,910 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 13:42:54,911 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 13:42:54,911 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 13:42:54,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 13:42:54,911 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 13:42:54,911 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 13:42:54,911 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 13:42:54,912 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 13:42:54,912 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e929c4003dd56b80bb766773f31b5c9376f023636b5de2c888cd8fd3433b56e [2024-10-11 13:42:55,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 13:42:55,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 13:42:55,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 13:42:55,170 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 13:42:55,175 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 13:42:55,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-85.i [2024-10-11 13:42:56,642 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 13:42:56,807 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 13:42:56,808 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-85.i [2024-10-11 13:42:56,820 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/ab62cde45/dec20e89ea474b61ba59f8db2ac6052b/FLAG65d3dfa6d [2024-10-11 13:42:57,206 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/ab62cde45/dec20e89ea474b61ba59f8db2ac6052b [2024-10-11 13:42:57,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 13:42:57,209 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 13:42:57,211 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 13:42:57,211 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 13:42:57,215 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 13:42:57,215 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 01:42:57" (1/1) ... [2024-10-11 13:42:57,216 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f21c214 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:42:57, skipping insertion in model container [2024-10-11 13:42:57,216 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 01:42:57" (1/1) ... [2024-10-11 13:42:57,238 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 13:42:57,386 WARN L248 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-85.i[916,929] [2024-10-11 13:42:57,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 13:42:57,470 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 13:42:57,480 WARN L248 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-85.i[916,929] [2024-10-11 13:42:57,515 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 13:42:57,541 INFO L204 MainTranslator]: Completed translation [2024-10-11 13:42:57,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:42:57 WrapperNode [2024-10-11 13:42:57,543 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 13:42:57,544 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 13:42:57,544 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 13:42:57,544 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 13:42:57,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:42:57" (1/1) ... [2024-10-11 13:42:57,560 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:42:57" (1/1) ... [2024-10-11 13:42:57,591 INFO L138 Inliner]: procedures = 26, calls = 190, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 561 [2024-10-11 13:42:57,591 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 13:42:57,592 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 13:42:57,592 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 13:42:57,592 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 13:42:57,601 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:42:57" (1/1) ... [2024-10-11 13:42:57,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:42:57" (1/1) ... [2024-10-11 13:42:57,606 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:42:57" (1/1) ... [2024-10-11 13:42:57,625 INFO L175 MemorySlicer]: Split 139 memory accesses to 18 slices as follows [2, 7, 15, 14, 5, 8, 10, 6, 8, 5, 6, 6, 6, 9, 10, 6, 9, 7]. 11 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 22 writes are split as follows [0, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 3, 1]. [2024-10-11 13:42:57,625 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:42:57" (1/1) ... [2024-10-11 13:42:57,626 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:42:57" (1/1) ... [2024-10-11 13:42:57,638 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:42:57" (1/1) ... [2024-10-11 13:42:57,642 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:42:57" (1/1) ... [2024-10-11 13:42:57,645 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:42:57" (1/1) ... [2024-10-11 13:42:57,647 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:42:57" (1/1) ... [2024-10-11 13:42:57,651 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 13:42:57,652 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 13:42:57,652 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 13:42:57,653 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 13:42:57,653 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:42:57" (1/1) ... [2024-10-11 13:42:57,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 13:42:57,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 13:42:57,695 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 13:42:57,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 13:42:57,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 13:42:57,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 13:42:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 13:42:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 13:42:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 13:42:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 13:42:57,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 13:42:57,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-11 13:42:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-11 13:42:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-11 13:42:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-11 13:42:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-11 13:42:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-11 13:42:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-11 13:42:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-11 13:42:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-11 13:42:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-11 13:42:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-11 13:42:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-11 13:42:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 13:42:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 13:42:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 13:42:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 13:42:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 13:42:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 13:42:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-11 13:42:57,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-11 13:42:57,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-11 13:42:57,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-11 13:42:57,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-11 13:42:57,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-11 13:42:57,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-11 13:42:57,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-11 13:42:57,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-11 13:42:57,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-11 13:42:57,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-11 13:42:57,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-11 13:42:57,753 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 13:42:57,754 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 13:42:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 13:42:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 13:42:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 13:42:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 13:42:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 13:42:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 13:42:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-11 13:42:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-11 13:42:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-11 13:42:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-11 13:42:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-11 13:42:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-11 13:42:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-11 13:42:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-11 13:42:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-11 13:42:57,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-11 13:42:57,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-11 13:42:57,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-11 13:42:57,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 13:42:57,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 13:42:57,906 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 13:42:57,907 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 13:42:58,388 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-10-11 13:42:58,388 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 13:42:58,422 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 13:42:58,422 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 13:42:58,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 01:42:58 BoogieIcfgContainer [2024-10-11 13:42:58,422 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 13:42:58,427 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 13:42:58,427 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 13:42:58,429 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 13:42:58,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 01:42:57" (1/3) ... [2024-10-11 13:42:58,434 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11321b14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 01:42:58, skipping insertion in model container [2024-10-11 13:42:58,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:42:57" (2/3) ... [2024-10-11 13:42:58,434 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11321b14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 01:42:58, skipping insertion in model container [2024-10-11 13:42:58,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 01:42:58" (3/3) ... [2024-10-11 13:42:58,435 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-85.i [2024-10-11 13:42:58,457 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 13:42:58,460 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 13:42:58,510 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 13:42:58,515 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;@2213c90b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 13:42:58,515 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 13:42:58,518 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 98 states have (on average 1.4081632653061225) internal successors, (138), 99 states have internal predecessors, (138), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 13:42:58,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-10-11 13:42:58,529 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:42:58,529 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:42:58,529 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:42:58,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:42:58,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1189087437, now seen corresponding path program 1 times [2024-10-11 13:42:58,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:42:58,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862142672] [2024-10-11 13:42:58,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:42:58,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:42:58,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:58,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:42:58,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:58,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:42:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:58,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:42:58,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:58,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:42:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:58,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:42:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:58,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:42:58,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:58,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:42:58,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:58,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:42:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:58,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:42:58,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:58,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:42:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:58,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:42:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:58,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:42:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:58,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:42:58,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:58,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:42:58,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:58,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:42:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:58,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:42:58,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:58,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:42:58,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:58,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:42:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:58,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:42:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:58,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:42:58,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:58,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:42:58,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:58,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:42:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:58,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:42:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:58,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:42:58,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:42:58,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862142672] [2024-10-11 13:42:58,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862142672] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:42:58,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:42:58,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 13:42:58,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80653601] [2024-10-11 13:42:58,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:42:58,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 13:42:58,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:42:58,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 13:42:58,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 13:42:58,991 INFO L87 Difference]: Start difference. First operand has 124 states, 98 states have (on average 1.4081632653061225) internal successors, (138), 99 states have internal predecessors, (138), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-11 13:42:59,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:42:59,043 INFO L93 Difference]: Finished difference Result 245 states and 389 transitions. [2024-10-11 13:42:59,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 13:42:59,047 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 174 [2024-10-11 13:42:59,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:42:59,056 INFO L225 Difference]: With dead ends: 245 [2024-10-11 13:42:59,056 INFO L226 Difference]: Without dead ends: 122 [2024-10-11 13:42:59,060 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 13:42:59,066 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 13:42:59,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 175 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 13:42:59,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-10-11 13:42:59,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-10-11 13:42:59,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 97 states have (on average 1.3711340206185567) internal successors, (133), 97 states have internal predecessors, (133), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 13:42:59,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 179 transitions. [2024-10-11 13:42:59,112 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 179 transitions. Word has length 174 [2024-10-11 13:42:59,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:42:59,114 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 179 transitions. [2024-10-11 13:42:59,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-11 13:42:59,114 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 179 transitions. [2024-10-11 13:42:59,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-10-11 13:42:59,120 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:42:59,120 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:42:59,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 13:42:59,121 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:42:59,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:42:59,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1729199905, now seen corresponding path program 1 times [2024-10-11 13:42:59,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:42:59,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068183477] [2024-10-11 13:42:59,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:42:59,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:42:59,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:59,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:42:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:59,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:42:59,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:59,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:42:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:59,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:42:59,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:59,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:42:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:59,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:42:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:59,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:42:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:59,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:42:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:59,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:42:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:59,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:42:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:59,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:42:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:59,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:42:59,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:59,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:42:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:59,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:42:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:59,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:42:59,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:59,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:42:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:59,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:42:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:59,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:42:59,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:59,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:42:59,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:59,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:42:59,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:59,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:42:59,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:59,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:42:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:59,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:42:59,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:42:59,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:42:59,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:42:59,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068183477] [2024-10-11 13:42:59,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068183477] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:42:59,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:42:59,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 13:42:59,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501666259] [2024-10-11 13:42:59,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:42:59,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 13:42:59,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:42:59,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 13:42:59,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 13:42:59,871 INFO L87 Difference]: Start difference. First operand 122 states and 179 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:00,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:00,102 INFO L93 Difference]: Finished difference Result 456 states and 665 transitions. [2024-10-11 13:43:00,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 13:43:00,102 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 174 [2024-10-11 13:43:00,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:00,106 INFO L225 Difference]: With dead ends: 456 [2024-10-11 13:43:00,106 INFO L226 Difference]: Without dead ends: 335 [2024-10-11 13:43:00,110 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-10-11 13:43:00,113 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 539 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 539 SdHoareTripleChecker+Valid, 665 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:00,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [539 Valid, 665 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 13:43:00,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-10-11 13:43:00,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 192. [2024-10-11 13:43:00,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 164 states have (on average 1.4085365853658536) internal successors, (231), 165 states have internal predecessors, (231), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-11 13:43:00,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 281 transitions. [2024-10-11 13:43:00,146 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 281 transitions. Word has length 174 [2024-10-11 13:43:00,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:00,147 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 281 transitions. [2024-10-11 13:43:00,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:00,148 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 281 transitions. [2024-10-11 13:43:00,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-11 13:43:00,150 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:00,153 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:00,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 13:43:00,153 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:00,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:00,154 INFO L85 PathProgramCache]: Analyzing trace with hash 454298374, now seen corresponding path program 1 times [2024-10-11 13:43:00,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:00,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935023156] [2024-10-11 13:43:00,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:00,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:00,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:00,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:00,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:00,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:00,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:00,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:00,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:00,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:00,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:00,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:00,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:00,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:00,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:00,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:00,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:00,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:00,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:00,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:00,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:00,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:00,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:00,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:00,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:00,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:00,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:00,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:00,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:00,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:00,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:00,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:00,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:00,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:00,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:00,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:00,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:00,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:00,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:00,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:00,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935023156] [2024-10-11 13:43:00,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935023156] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:00,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:00,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 13:43:00,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166965725] [2024-10-11 13:43:00,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:00,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 13:43:00,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:00,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 13:43:00,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 13:43:00,481 INFO L87 Difference]: Start difference. First operand 192 states and 281 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, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:00,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:00,632 INFO L93 Difference]: Finished difference Result 558 states and 817 transitions. [2024-10-11 13:43:00,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 13:43:00,632 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, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2024-10-11 13:43:00,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:00,638 INFO L225 Difference]: With dead ends: 558 [2024-10-11 13:43:00,638 INFO L226 Difference]: Without dead ends: 367 [2024-10-11 13:43:00,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 13:43:00,641 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 164 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:00,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 609 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 13:43:00,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-10-11 13:43:00,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 196. [2024-10-11 13:43:00,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 168 states have (on average 1.3988095238095237) internal successors, (235), 169 states have internal predecessors, (235), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-11 13:43:00,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 285 transitions. [2024-10-11 13:43:00,665 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 285 transitions. Word has length 175 [2024-10-11 13:43:00,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:00,666 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 285 transitions. [2024-10-11 13:43:00,666 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, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:00,666 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 285 transitions. [2024-10-11 13:43:00,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-11 13:43:00,669 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:00,670 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:00,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 13:43:00,670 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:00,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:00,670 INFO L85 PathProgramCache]: Analyzing trace with hash 326134607, now seen corresponding path program 1 times [2024-10-11 13:43:00,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:00,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548587420] [2024-10-11 13:43:00,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:00,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:01,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:01,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:01,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:01,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:01,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:01,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:01,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:01,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:01,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:01,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:01,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:01,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:01,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:01,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:01,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:01,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:01,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:01,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:01,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:01,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:01,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:01,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:01,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:01,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:01,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:01,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:01,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:01,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:01,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:01,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:01,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:01,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:01,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548587420] [2024-10-11 13:43:01,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548587420] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:01,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:01,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 13:43:01,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949486852] [2024-10-11 13:43:01,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:01,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 13:43:01,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:01,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 13:43:01,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-11 13:43:01,162 INFO L87 Difference]: Start difference. First operand 196 states and 285 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:01,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:01,462 INFO L93 Difference]: Finished difference Result 760 states and 1102 transitions. [2024-10-11 13:43:01,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 13:43:01,463 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2024-10-11 13:43:01,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:01,466 INFO L225 Difference]: With dead ends: 760 [2024-10-11 13:43:01,466 INFO L226 Difference]: Without dead ends: 565 [2024-10-11 13:43:01,466 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-11 13:43:01,467 INFO L432 NwaCegarLoop]: 255 mSDtfsCounter, 410 mSDsluCounter, 782 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 1037 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:01,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 1037 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 13:43:01,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2024-10-11 13:43:01,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 242. [2024-10-11 13:43:01,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 214 states have (on average 1.4065420560747663) internal successors, (301), 215 states have internal predecessors, (301), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-11 13:43:01,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 351 transitions. [2024-10-11 13:43:01,482 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 351 transitions. Word has length 175 [2024-10-11 13:43:01,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:01,482 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 351 transitions. [2024-10-11 13:43:01,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:01,482 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 351 transitions. [2024-10-11 13:43:01,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-11 13:43:01,484 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:01,484 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:01,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 13:43:01,484 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:01,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:01,484 INFO L85 PathProgramCache]: Analyzing trace with hash -953729071, now seen corresponding path program 1 times [2024-10-11 13:43:01,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:01,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924251346] [2024-10-11 13:43:01,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:01,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:01,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:02,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:02,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:02,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:02,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:02,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:02,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:02,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:02,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:02,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:02,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:02,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:02,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:02,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:02,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:02,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:02,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:02,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:02,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:02,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:02,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:02,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:02,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:02,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:02,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:02,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:02,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:02,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-11 13:43:02,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:02,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924251346] [2024-10-11 13:43:02,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924251346] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 13:43:02,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [177826473] [2024-10-11 13:43:02,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:02,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 13:43:02,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 13:43:02,218 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 13:43:02,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 13:43:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:02,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 13:43:02,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 13:43:02,469 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 11 treesize of output 9 [2024-10-11 13:43:02,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:02,578 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 13:43:02,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [177826473] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:02,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 13:43:02,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2024-10-11 13:43:02,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644376504] [2024-10-11 13:43:02,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:02,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 13:43:02,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:02,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 13:43:02,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2024-10-11 13:43:02,579 INFO L87 Difference]: Start difference. First operand 242 states and 351 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, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:02,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:02,826 INFO L93 Difference]: Finished difference Result 720 states and 1045 transitions. [2024-10-11 13:43:02,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 13:43:02,826 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, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2024-10-11 13:43:02,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:02,829 INFO L225 Difference]: With dead ends: 720 [2024-10-11 13:43:02,829 INFO L226 Difference]: Without dead ends: 479 [2024-10-11 13:43:02,829 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2024-10-11 13:43:02,830 INFO L432 NwaCegarLoop]: 324 mSDtfsCounter, 174 mSDsluCounter, 1450 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 1774 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:02,830 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 1774 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 13:43:02,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2024-10-11 13:43:02,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 256. [2024-10-11 13:43:02,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 228 states have (on average 1.3903508771929824) internal successors, (317), 229 states have internal predecessors, (317), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-11 13:43:02,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 367 transitions. [2024-10-11 13:43:02,842 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 367 transitions. Word has length 175 [2024-10-11 13:43:02,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:02,842 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 367 transitions. [2024-10-11 13:43:02,842 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, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:02,842 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 367 transitions. [2024-10-11 13:43:02,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-11 13:43:02,844 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:02,844 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:02,861 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 13:43:03,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 13:43:03,048 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:03,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:03,048 INFO L85 PathProgramCache]: Analyzing trace with hash 2015078349, now seen corresponding path program 1 times [2024-10-11 13:43:03,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:03,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221233938] [2024-10-11 13:43:03,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:03,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:03,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:03,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:03,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:03,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:03,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:03,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:03,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:03,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:03,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:03,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:03,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:03,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:03,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:03,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:03,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:03,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:03,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:03,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:03,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:03,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:03,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:03,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:03,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:03,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:03,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:03,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:03,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:03,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:03,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:03,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-11 13:43:03,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:03,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221233938] [2024-10-11 13:43:03,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221233938] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 13:43:03,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316985319] [2024-10-11 13:43:03,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:03,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 13:43:03,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 13:43:03,806 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 13:43:03,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 13:43:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:04,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 670 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-11 13:43:04,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 13:43:04,042 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 11 treesize of output 7 [2024-10-11 13:43:04,098 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 17 treesize of output 13 [2024-10-11 13:43:04,130 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 21 treesize of output 13 [2024-10-11 13:43:04,158 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 19 treesize of output 11 [2024-10-11 13:43:04,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:04,209 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 13:43:04,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1316985319] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:04,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 13:43:04,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2024-10-11 13:43:04,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324818656] [2024-10-11 13:43:04,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:04,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 13:43:04,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:04,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 13:43:04,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2024-10-11 13:43:04,210 INFO L87 Difference]: Start difference. First operand 256 states and 367 transitions. Second operand has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:04,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:04,622 INFO L93 Difference]: Finished difference Result 848 states and 1216 transitions. [2024-10-11 13:43:04,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 13:43:04,623 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2024-10-11 13:43:04,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:04,626 INFO L225 Difference]: With dead ends: 848 [2024-10-11 13:43:04,626 INFO L226 Difference]: Without dead ends: 593 [2024-10-11 13:43:04,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2024-10-11 13:43:04,627 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 325 mSDsluCounter, 1828 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 2095 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:04,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 2095 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 13:43:04,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2024-10-11 13:43:04,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 264. [2024-10-11 13:43:04,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 236 states have (on average 1.3855932203389831) internal successors, (327), 237 states have internal predecessors, (327), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-11 13:43:04,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 377 transitions. [2024-10-11 13:43:04,640 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 377 transitions. Word has length 175 [2024-10-11 13:43:04,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:04,640 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 377 transitions. [2024-10-11 13:43:04,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:04,640 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 377 transitions. [2024-10-11 13:43:04,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-11 13:43:04,641 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:04,642 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:04,658 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 13:43:04,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 13:43:04,846 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:04,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:04,846 INFO L85 PathProgramCache]: Analyzing trace with hash 735214671, now seen corresponding path program 1 times [2024-10-11 13:43:04,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:04,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571086967] [2024-10-11 13:43:04,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:04,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:04,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:05,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:05,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:05,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:05,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:05,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:05,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:05,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:05,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:05,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:05,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:05,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:05,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:05,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:05,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:05,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:05,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571086967] [2024-10-11 13:43:05,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571086967] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:05,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:05,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 13:43:05,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347634096] [2024-10-11 13:43:05,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:05,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 13:43:05,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:05,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 13:43:05,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-11 13:43:05,176 INFO L87 Difference]: Start difference. First operand 264 states and 377 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:05,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:05,480 INFO L93 Difference]: Finished difference Result 850 states and 1216 transitions. [2024-10-11 13:43:05,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 13:43:05,480 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2024-10-11 13:43:05,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:05,482 INFO L225 Difference]: With dead ends: 850 [2024-10-11 13:43:05,482 INFO L226 Difference]: Without dead ends: 587 [2024-10-11 13:43:05,483 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-10-11 13:43:05,483 INFO L432 NwaCegarLoop]: 388 mSDtfsCounter, 318 mSDsluCounter, 1406 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 1794 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:05,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 1794 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 13:43:05,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2024-10-11 13:43:05,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 264. [2024-10-11 13:43:05,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 236 states have (on average 1.3771186440677967) internal successors, (325), 237 states have internal predecessors, (325), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-11 13:43:05,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 375 transitions. [2024-10-11 13:43:05,495 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 375 transitions. Word has length 175 [2024-10-11 13:43:05,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:05,495 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 375 transitions. [2024-10-11 13:43:05,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:05,495 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 375 transitions. [2024-10-11 13:43:05,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-11 13:43:05,496 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:05,496 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:05,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 13:43:05,497 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:05,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:05,497 INFO L85 PathProgramCache]: Analyzing trace with hash -447418871, now seen corresponding path program 1 times [2024-10-11 13:43:05,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:05,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925530719] [2024-10-11 13:43:05,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:05,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:05,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:05,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:05,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:05,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:05,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:05,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:05,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:05,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:05,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:05,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:05,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:05,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:05,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:05,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:05,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:05,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925530719] [2024-10-11 13:43:05,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925530719] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:05,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:05,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 13:43:05,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853148513] [2024-10-11 13:43:05,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:05,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 13:43:05,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:05,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 13:43:05,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 13:43:05,826 INFO L87 Difference]: Start difference. First operand 264 states and 375 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:05,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:05,918 INFO L93 Difference]: Finished difference Result 684 states and 975 transitions. [2024-10-11 13:43:05,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 13:43:05,918 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2024-10-11 13:43:05,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:05,920 INFO L225 Difference]: With dead ends: 684 [2024-10-11 13:43:05,922 INFO L226 Difference]: Without dead ends: 421 [2024-10-11 13:43:05,923 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-11 13:43:05,923 INFO L432 NwaCegarLoop]: 260 mSDtfsCounter, 145 mSDsluCounter, 927 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 1187 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:05,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 1187 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 13:43:05,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2024-10-11 13:43:05,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 272. [2024-10-11 13:43:05,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 244 states have (on average 1.3811475409836065) internal successors, (337), 245 states have internal predecessors, (337), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-11 13:43:05,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 387 transitions. [2024-10-11 13:43:05,936 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 387 transitions. Word has length 175 [2024-10-11 13:43:05,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:05,936 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 387 transitions. [2024-10-11 13:43:05,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:05,936 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 387 transitions. [2024-10-11 13:43:05,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-11 13:43:05,938 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:05,938 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:05,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 13:43:05,938 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:05,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:05,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1727282549, now seen corresponding path program 1 times [2024-10-11 13:43:05,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:05,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375446409] [2024-10-11 13:43:05,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:05,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:05,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:06,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:06,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:06,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:06,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:06,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:06,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:06,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:06,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:06,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:06,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:06,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:06,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375446409] [2024-10-11 13:43:06,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375446409] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:06,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:06,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 13:43:06,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818007670] [2024-10-11 13:43:06,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:06,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 13:43:06,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:06,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 13:43:06,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 13:43:06,217 INFO L87 Difference]: Start difference. First operand 272 states and 387 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:06,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:06,357 INFO L93 Difference]: Finished difference Result 814 states and 1155 transitions. [2024-10-11 13:43:06,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 13:43:06,358 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2024-10-11 13:43:06,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:06,360 INFO L225 Difference]: With dead ends: 814 [2024-10-11 13:43:06,360 INFO L226 Difference]: Without dead ends: 543 [2024-10-11 13:43:06,361 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-10-11 13:43:06,361 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 163 mSDsluCounter, 882 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 1138 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:06,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 1138 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 13:43:06,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-10-11 13:43:06,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 332. [2024-10-11 13:43:06,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 304 states have (on average 1.4046052631578947) internal successors, (427), 305 states have internal predecessors, (427), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-11 13:43:06,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 477 transitions. [2024-10-11 13:43:06,377 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 477 transitions. Word has length 175 [2024-10-11 13:43:06,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:06,377 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 477 transitions. [2024-10-11 13:43:06,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:06,378 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 477 transitions. [2024-10-11 13:43:06,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-11 13:43:06,380 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:06,380 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:06,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 13:43:06,380 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:06,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:06,381 INFO L85 PathProgramCache]: Analyzing trace with hash -575582638, now seen corresponding path program 1 times [2024-10-11 13:43:06,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:06,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43119712] [2024-10-11 13:43:06,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:06,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:06,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:06,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:06,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:06,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:06,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:06,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:06,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:06,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,578 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:06,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:06,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43119712] [2024-10-11 13:43:06,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43119712] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:06,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:06,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 13:43:06,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728319030] [2024-10-11 13:43:06,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:06,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 13:43:06,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:06,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 13:43:06,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 13:43:06,580 INFO L87 Difference]: Start difference. First operand 332 states and 477 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, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:06,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:06,738 INFO L93 Difference]: Finished difference Result 908 states and 1315 transitions. [2024-10-11 13:43:06,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 13:43:06,739 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, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2024-10-11 13:43:06,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:06,742 INFO L225 Difference]: With dead ends: 908 [2024-10-11 13:43:06,742 INFO L226 Difference]: Without dead ends: 577 [2024-10-11 13:43:06,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 13:43:06,744 INFO L432 NwaCegarLoop]: 280 mSDtfsCounter, 164 mSDsluCounter, 666 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 946 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:06,744 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 946 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 13:43:06,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2024-10-11 13:43:06,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 332. [2024-10-11 13:43:06,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 304 states have (on average 1.3848684210526316) internal successors, (421), 305 states have internal predecessors, (421), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-11 13:43:06,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 471 transitions. [2024-10-11 13:43:06,761 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 471 transitions. Word has length 175 [2024-10-11 13:43:06,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:06,761 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 471 transitions. [2024-10-11 13:43:06,762 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, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:06,762 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 471 transitions. [2024-10-11 13:43:06,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-11 13:43:06,763 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:06,763 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:06,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 13:43:06,763 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:06,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:06,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1704650295, now seen corresponding path program 1 times [2024-10-11 13:43:06,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:06,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34530192] [2024-10-11 13:43:06,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:06,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:06,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:06,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:06,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:06,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:06,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:06,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:06,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:06,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34530192] [2024-10-11 13:43:06,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34530192] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:06,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:06,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 13:43:06,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609885462] [2024-10-11 13:43:06,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:06,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 13:43:06,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:06,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 13:43:06,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 13:43:06,907 INFO L87 Difference]: Start difference. First operand 332 states and 471 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:06,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:06,933 INFO L93 Difference]: Finished difference Result 629 states and 890 transitions. [2024-10-11 13:43:06,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 13:43:06,934 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2024-10-11 13:43:06,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:06,935 INFO L225 Difference]: With dead ends: 629 [2024-10-11 13:43:06,935 INFO L226 Difference]: Without dead ends: 298 [2024-10-11 13:43:06,936 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 13:43:06,936 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 1 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:06,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 509 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 13:43:06,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2024-10-11 13:43:06,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2024-10-11 13:43:06,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 270 states have (on average 1.362962962962963) internal successors, (368), 271 states have internal predecessors, (368), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-11 13:43:06,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 418 transitions. [2024-10-11 13:43:06,947 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 418 transitions. Word has length 175 [2024-10-11 13:43:06,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:06,947 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 418 transitions. [2024-10-11 13:43:06,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:06,947 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 418 transitions. [2024-10-11 13:43:06,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-10-11 13:43:06,949 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:06,949 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:06,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 13:43:06,950 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:06,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:06,950 INFO L85 PathProgramCache]: Analyzing trace with hash 37918153, now seen corresponding path program 1 times [2024-10-11 13:43:06,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:06,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023283719] [2024-10-11 13:43:06,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:06,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:07,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:07,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:07,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:07,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:07,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023283719] [2024-10-11 13:43:07,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023283719] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:07,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:07,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 13:43:07,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478148096] [2024-10-11 13:43:07,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:07,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 13:43:07,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:07,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 13:43:07,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 13:43:07,074 INFO L87 Difference]: Start difference. First operand 298 states and 418 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, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:07,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:07,106 INFO L93 Difference]: Finished difference Result 601 states and 843 transitions. [2024-10-11 13:43:07,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 13:43:07,106 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, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 176 [2024-10-11 13:43:07,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:07,108 INFO L225 Difference]: With dead ends: 601 [2024-10-11 13:43:07,108 INFO L226 Difference]: Without dead ends: 304 [2024-10-11 13:43:07,108 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 13:43:07,109 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 1 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:07,109 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 674 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 13:43:07,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-10-11 13:43:07,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2024-10-11 13:43:07,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 276 states have (on average 1.355072463768116) internal successors, (374), 277 states have internal predecessors, (374), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-11 13:43:07,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 424 transitions. [2024-10-11 13:43:07,119 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 424 transitions. Word has length 176 [2024-10-11 13:43:07,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:07,119 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 424 transitions. [2024-10-11 13:43:07,119 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, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:07,119 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 424 transitions. [2024-10-11 13:43:07,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-10-11 13:43:07,120 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:07,120 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:07,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 13:43:07,121 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:07,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:07,121 INFO L85 PathProgramCache]: Analyzing trace with hash 312677767, now seen corresponding path program 1 times [2024-10-11 13:43:07,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:07,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623203647] [2024-10-11 13:43:07,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:07,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:07,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:07,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:07,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:07,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:07,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:07,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:07,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:07,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:07,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:07,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:07,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:07,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:07,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:07,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:07,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:07,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:07,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:07,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623203647] [2024-10-11 13:43:07,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623203647] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:07,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:07,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 13:43:07,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530307240] [2024-10-11 13:43:07,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:07,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 13:43:07,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:07,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 13:43:07,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 13:43:07,435 INFO L87 Difference]: Start difference. First operand 304 states and 424 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:07,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:07,622 INFO L93 Difference]: Finished difference Result 772 states and 1077 transitions. [2024-10-11 13:43:07,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 13:43:07,623 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 176 [2024-10-11 13:43:07,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:07,625 INFO L225 Difference]: With dead ends: 772 [2024-10-11 13:43:07,625 INFO L226 Difference]: Without dead ends: 469 [2024-10-11 13:43:07,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-10-11 13:43:07,626 INFO L432 NwaCegarLoop]: 308 mSDtfsCounter, 313 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 950 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:07,626 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 950 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 13:43:07,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-10-11 13:43:07,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 301. [2024-10-11 13:43:07,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 273 states have (on average 1.3553113553113554) internal successors, (370), 274 states have internal predecessors, (370), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-11 13:43:07,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 420 transitions. [2024-10-11 13:43:07,638 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 420 transitions. Word has length 176 [2024-10-11 13:43:07,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:07,639 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 420 transitions. [2024-10-11 13:43:07,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:07,639 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 420 transitions. [2024-10-11 13:43:07,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-10-11 13:43:07,640 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:07,640 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:07,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 13:43:07,640 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:07,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:07,641 INFO L85 PathProgramCache]: Analyzing trace with hash -401603261, now seen corresponding path program 1 times [2024-10-11 13:43:07,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:07,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510953193] [2024-10-11 13:43:07,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:07,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:07,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:07,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:07,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:07,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:07,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:07,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:07,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:07,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:07,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:07,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:07,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:07,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510953193] [2024-10-11 13:43:07,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510953193] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:07,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:07,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 13:43:07,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011220091] [2024-10-11 13:43:07,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:07,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 13:43:07,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:07,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 13:43:07,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 13:43:07,957 INFO L87 Difference]: Start difference. First operand 301 states and 420 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:08,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:08,138 INFO L93 Difference]: Finished difference Result 722 states and 1008 transitions. [2024-10-11 13:43:08,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 13:43:08,138 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 176 [2024-10-11 13:43:08,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:08,140 INFO L225 Difference]: With dead ends: 722 [2024-10-11 13:43:08,140 INFO L226 Difference]: Without dead ends: 422 [2024-10-11 13:43:08,141 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-11 13:43:08,141 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 403 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:08,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [403 Valid, 611 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 13:43:08,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2024-10-11 13:43:08,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 301. [2024-10-11 13:43:08,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 273 states have (on average 1.3516483516483517) internal successors, (369), 274 states have internal predecessors, (369), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-11 13:43:08,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 419 transitions. [2024-10-11 13:43:08,154 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 419 transitions. Word has length 176 [2024-10-11 13:43:08,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:08,155 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 419 transitions. [2024-10-11 13:43:08,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:08,155 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 419 transitions. [2024-10-11 13:43:08,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-10-11 13:43:08,156 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:08,156 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:08,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 13:43:08,156 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:08,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:08,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1681466939, now seen corresponding path program 1 times [2024-10-11 13:43:08,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:08,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021178963] [2024-10-11 13:43:08,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:08,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:08,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:08,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:08,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:08,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:08,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:08,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:08,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:08,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:08,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:08,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:08,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:08,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:08,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:08,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:08,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:08,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:08,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:08,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:08,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:08,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:08,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:08,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:08,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:08,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:08,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:08,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:08,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:08,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:08,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:08,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:08,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:08,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:08,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-11 13:43:08,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:08,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021178963] [2024-10-11 13:43:08,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021178963] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 13:43:08,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284434958] [2024-10-11 13:43:08,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:08,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 13:43:08,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 13:43:08,697 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 13:43:08,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 13:43:08,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:08,884 INFO L255 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-11 13:43:08,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 13:43:08,906 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 11 treesize of output 7 [2024-10-11 13:43:08,939 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 11 treesize of output 7 [2024-10-11 13:43:09,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:09,006 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 13:43:09,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [284434958] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:09,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 13:43:09,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2024-10-11 13:43:09,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221539013] [2024-10-11 13:43:09,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:09,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 13:43:09,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:09,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 13:43:09,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2024-10-11 13:43:09,007 INFO L87 Difference]: Start difference. First operand 301 states and 419 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:09,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:09,263 INFO L93 Difference]: Finished difference Result 912 states and 1277 transitions. [2024-10-11 13:43:09,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 13:43:09,263 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 176 [2024-10-11 13:43:09,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:09,266 INFO L225 Difference]: With dead ends: 912 [2024-10-11 13:43:09,266 INFO L226 Difference]: Without dead ends: 612 [2024-10-11 13:43:09,268 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2024-10-11 13:43:09,268 INFO L432 NwaCegarLoop]: 441 mSDtfsCounter, 325 mSDsluCounter, 2138 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 2579 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:09,268 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 2579 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 13:43:09,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2024-10-11 13:43:09,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 305. [2024-10-11 13:43:09,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 277 states have (on average 1.3501805054151625) internal successors, (374), 278 states have internal predecessors, (374), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-11 13:43:09,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 424 transitions. [2024-10-11 13:43:09,282 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 424 transitions. Word has length 176 [2024-10-11 13:43:09,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:09,282 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 424 transitions. [2024-10-11 13:43:09,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:09,283 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 424 transitions. [2024-10-11 13:43:09,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-11 13:43:09,284 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:09,284 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:09,298 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 13:43:09,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 13:43:09,485 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:09,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:09,486 INFO L85 PathProgramCache]: Analyzing trace with hash -460004524, now seen corresponding path program 1 times [2024-10-11 13:43:09,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:09,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19125787] [2024-10-11 13:43:09,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:09,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:09,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:09,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:09,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:09,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:09,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:09,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:09,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19125787] [2024-10-11 13:43:09,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19125787] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:09,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:09,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 13:43:09,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642202744] [2024-10-11 13:43:09,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:09,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 13:43:09,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:09,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 13:43:09,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 13:43:09,590 INFO L87 Difference]: Start difference. First operand 305 states and 424 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:09,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:09,611 INFO L93 Difference]: Finished difference Result 610 states and 849 transitions. [2024-10-11 13:43:09,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 13:43:09,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 177 [2024-10-11 13:43:09,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:09,612 INFO L225 Difference]: With dead ends: 610 [2024-10-11 13:43:09,612 INFO L226 Difference]: Without dead ends: 306 [2024-10-11 13:43:09,613 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 13:43:09,613 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 0 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:09,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 343 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 13:43:09,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-10-11 13:43:09,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2024-10-11 13:43:09,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 278 states have (on average 1.3489208633093526) internal successors, (375), 279 states have internal predecessors, (375), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-11 13:43:09,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 425 transitions. [2024-10-11 13:43:09,625 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 425 transitions. Word has length 177 [2024-10-11 13:43:09,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:09,626 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 425 transitions. [2024-10-11 13:43:09,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:09,626 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 425 transitions. [2024-10-11 13:43:09,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-11 13:43:09,627 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:09,627 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:09,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-11 13:43:09,627 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:09,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:09,628 INFO L85 PathProgramCache]: Analyzing trace with hash 199526998, now seen corresponding path program 1 times [2024-10-11 13:43:09,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:09,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194512246] [2024-10-11 13:43:09,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:09,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:09,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:09,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:09,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:09,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:09,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:09,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:09,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:09,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:09,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:09,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:09,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194512246] [2024-10-11 13:43:09,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194512246] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:09,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:09,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 13:43:09,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690765906] [2024-10-11 13:43:09,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:09,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 13:43:09,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:09,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 13:43:09,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 13:43:09,809 INFO L87 Difference]: Start difference. First operand 306 states and 425 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:09,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:09,845 INFO L93 Difference]: Finished difference Result 528 states and 732 transitions. [2024-10-11 13:43:09,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 13:43:09,846 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 177 [2024-10-11 13:43:09,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:09,847 INFO L225 Difference]: With dead ends: 528 [2024-10-11 13:43:09,847 INFO L226 Difference]: Without dead ends: 223 [2024-10-11 13:43:09,847 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 13:43:09,848 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 0 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:09,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 490 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 13:43:09,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-10-11 13:43:09,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 222. [2024-10-11 13:43:09,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 194 states have (on average 1.3195876288659794) internal successors, (256), 195 states have internal predecessors, (256), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-11 13:43:09,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 306 transitions. [2024-10-11 13:43:09,859 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 306 transitions. Word has length 177 [2024-10-11 13:43:09,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:09,859 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 306 transitions. [2024-10-11 13:43:09,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:09,859 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 306 transitions. [2024-10-11 13:43:09,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-10-11 13:43:09,860 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:09,860 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:09,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 13:43:09,860 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:09,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:09,861 INFO L85 PathProgramCache]: Analyzing trace with hash -46256408, now seen corresponding path program 1 times [2024-10-11 13:43:09,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:09,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158502448] [2024-10-11 13:43:09,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:09,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:09,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:10,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:10,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:10,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:10,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:10,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:10,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:10,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:10,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:10,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:10,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:10,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:10,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:10,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:10,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:10,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:10,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:10,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:10,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158502448] [2024-10-11 13:43:10,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158502448] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:10,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:10,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 13:43:10,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649787479] [2024-10-11 13:43:10,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:10,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 13:43:10,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:10,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 13:43:10,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 13:43:10,200 INFO L87 Difference]: Start difference. First operand 222 states and 306 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:10,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:10,316 INFO L93 Difference]: Finished difference Result 503 states and 696 transitions. [2024-10-11 13:43:10,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 13:43:10,317 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 178 [2024-10-11 13:43:10,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:10,319 INFO L225 Difference]: With dead ends: 503 [2024-10-11 13:43:10,319 INFO L226 Difference]: Without dead ends: 282 [2024-10-11 13:43:10,320 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-10-11 13:43:10,321 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 161 mSDsluCounter, 1199 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 1428 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:10,321 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 1428 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 13:43:10,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-10-11 13:43:10,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 228. [2024-10-11 13:43:10,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 200 states have (on average 1.31) internal successors, (262), 201 states have internal predecessors, (262), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-11 13:43:10,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 312 transitions. [2024-10-11 13:43:10,332 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 312 transitions. Word has length 178 [2024-10-11 13:43:10,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:10,332 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 312 transitions. [2024-10-11 13:43:10,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:10,332 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 312 transitions. [2024-10-11 13:43:10,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-10-11 13:43:10,333 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:10,334 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:10,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-11 13:43:10,334 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:10,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:10,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1845313117, now seen corresponding path program 1 times [2024-10-11 13:43:10,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:10,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616003425] [2024-10-11 13:43:10,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:10,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:10,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:10,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:10,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:10,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:10,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:10,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:10,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616003425] [2024-10-11 13:43:10,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616003425] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:10,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:10,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 13:43:10,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408460085] [2024-10-11 13:43:10,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:10,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 13:43:10,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:10,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 13:43:10,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 13:43:10,425 INFO L87 Difference]: Start difference. First operand 228 states and 312 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:10,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:10,446 INFO L93 Difference]: Finished difference Result 457 states and 627 transitions. [2024-10-11 13:43:10,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 13:43:10,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-10-11 13:43:10,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:10,448 INFO L225 Difference]: With dead ends: 457 [2024-10-11 13:43:10,448 INFO L226 Difference]: Without dead ends: 230 [2024-10-11 13:43:10,448 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 13:43:10,449 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 0 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:10,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 334 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 13:43:10,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-10-11 13:43:10,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 230. [2024-10-11 13:43:10,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 202 states have (on average 1.306930693069307) internal successors, (264), 203 states have internal predecessors, (264), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-11 13:43:10,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 314 transitions. [2024-10-11 13:43:10,460 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 314 transitions. Word has length 180 [2024-10-11 13:43:10,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:10,460 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 314 transitions. [2024-10-11 13:43:10,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:10,460 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 314 transitions. [2024-10-11 13:43:10,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-10-11 13:43:10,461 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:10,461 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:10,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-11 13:43:10,461 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:10,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:10,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1428585825, now seen corresponding path program 1 times [2024-10-11 13:43:10,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:10,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182847280] [2024-10-11 13:43:10,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:10,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:10,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:10,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:10,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:10,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:10,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:10,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:10,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:10,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:10,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:10,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:10,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:10,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182847280] [2024-10-11 13:43:10,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182847280] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:10,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:10,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 13:43:10,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582454521] [2024-10-11 13:43:10,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:10,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 13:43:10,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:10,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 13:43:10,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 13:43:10,640 INFO L87 Difference]: Start difference. First operand 230 states and 314 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:10,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:10,697 INFO L93 Difference]: Finished difference Result 523 states and 716 transitions. [2024-10-11 13:43:10,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 13:43:10,697 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-10-11 13:43:10,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:10,699 INFO L225 Difference]: With dead ends: 523 [2024-10-11 13:43:10,699 INFO L226 Difference]: Without dead ends: 294 [2024-10-11 13:43:10,699 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 13:43:10,699 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 49 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:10,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 683 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 13:43:10,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-10-11 13:43:10,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 230. [2024-10-11 13:43:10,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 202 states have (on average 1.297029702970297) internal successors, (262), 203 states have internal predecessors, (262), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-11 13:43:10,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 312 transitions. [2024-10-11 13:43:10,710 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 312 transitions. Word has length 180 [2024-10-11 13:43:10,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:10,711 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 312 transitions. [2024-10-11 13:43:10,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:10,711 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 312 transitions. [2024-10-11 13:43:10,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-10-11 13:43:10,712 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:10,712 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:10,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-11 13:43:10,712 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:10,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:10,713 INFO L85 PathProgramCache]: Analyzing trace with hash 417468575, now seen corresponding path program 1 times [2024-10-11 13:43:10,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:10,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696758868] [2024-10-11 13:43:10,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:10,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:10,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:10,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:10,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:10,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:10,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:10,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:10,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:10,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:10,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:10,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:10,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:10,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696758868] [2024-10-11 13:43:10,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696758868] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:10,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:10,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 13:43:10,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715106678] [2024-10-11 13:43:10,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:10,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 13:43:10,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:10,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 13:43:10,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 13:43:10,895 INFO L87 Difference]: Start difference. First operand 230 states and 312 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:10,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:10,938 INFO L93 Difference]: Finished difference Result 449 states and 611 transitions. [2024-10-11 13:43:10,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 13:43:10,938 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-10-11 13:43:10,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:10,940 INFO L225 Difference]: With dead ends: 449 [2024-10-11 13:43:10,940 INFO L226 Difference]: Without dead ends: 220 [2024-10-11 13:43:10,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 13:43:10,941 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 0 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:10,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 479 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 13:43:10,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-10-11 13:43:10,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 218. [2024-10-11 13:43:10,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 190 states have (on average 1.2947368421052632) internal successors, (246), 191 states have internal predecessors, (246), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-11 13:43:10,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 296 transitions. [2024-10-11 13:43:10,951 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 296 transitions. Word has length 180 [2024-10-11 13:43:10,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:10,952 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 296 transitions. [2024-10-11 13:43:10,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:10,952 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 296 transitions. [2024-10-11 13:43:10,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-10-11 13:43:10,953 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:10,953 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:10,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-11 13:43:10,953 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:10,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:10,953 INFO L85 PathProgramCache]: Analyzing trace with hash -2079445520, now seen corresponding path program 1 times [2024-10-11 13:43:10,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:10,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539271761] [2024-10-11 13:43:10,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:10,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:11,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:11,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:11,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:11,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:11,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:11,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:11,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:11,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:11,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539271761] [2024-10-11 13:43:11,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539271761] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:11,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:11,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 13:43:11,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93498745] [2024-10-11 13:43:11,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:11,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 13:43:11,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:11,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 13:43:11,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-11 13:43:11,522 INFO L87 Difference]: Start difference. First operand 218 states and 296 transitions. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:11,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:11,678 INFO L93 Difference]: Finished difference Result 558 states and 756 transitions. [2024-10-11 13:43:11,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 13:43:11,679 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 182 [2024-10-11 13:43:11,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:11,681 INFO L225 Difference]: With dead ends: 558 [2024-10-11 13:43:11,681 INFO L226 Difference]: Without dead ends: 341 [2024-10-11 13:43:11,682 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-10-11 13:43:11,683 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 159 mSDsluCounter, 1345 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 1586 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:11,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 1586 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 13:43:11,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-10-11 13:43:11,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 250. [2024-10-11 13:43:11,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 222 states have (on average 1.2747747747747749) internal successors, (283), 223 states have internal predecessors, (283), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-11 13:43:11,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 333 transitions. [2024-10-11 13:43:11,701 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 333 transitions. Word has length 182 [2024-10-11 13:43:11,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:11,702 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 333 transitions. [2024-10-11 13:43:11,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:11,702 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 333 transitions. [2024-10-11 13:43:11,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-10-11 13:43:11,704 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:11,704 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:11,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-11 13:43:11,704 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:11,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:11,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1378380942, now seen corresponding path program 1 times [2024-10-11 13:43:11,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:11,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674020618] [2024-10-11 13:43:11,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:11,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:11,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:11,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:11,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:11,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:11,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:11,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:11,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:11,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:11,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:11,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:11,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:11,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:11,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:11,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:11,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674020618] [2024-10-11 13:43:11,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674020618] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:11,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:11,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 13:43:11,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103870936] [2024-10-11 13:43:11,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:11,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 13:43:11,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:11,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 13:43:11,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 13:43:11,826 INFO L87 Difference]: Start difference. First operand 250 states and 333 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:11,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:11,856 INFO L93 Difference]: Finished difference Result 506 states and 675 transitions. [2024-10-11 13:43:11,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 13:43:11,857 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 182 [2024-10-11 13:43:11,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:11,858 INFO L225 Difference]: With dead ends: 506 [2024-10-11 13:43:11,858 INFO L226 Difference]: Without dead ends: 257 [2024-10-11 13:43:11,859 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 13:43:11,860 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 1 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:11,860 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 479 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 13:43:11,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-10-11 13:43:11,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 256. [2024-10-11 13:43:11,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 228 states have (on average 1.2675438596491229) internal successors, (289), 229 states have internal predecessors, (289), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-11 13:43:11,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 339 transitions. [2024-10-11 13:43:11,879 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 339 transitions. Word has length 182 [2024-10-11 13:43:11,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:11,879 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 339 transitions. [2024-10-11 13:43:11,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:11,879 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 339 transitions. [2024-10-11 13:43:11,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-10-11 13:43:11,880 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:11,880 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:11,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-11 13:43:11,880 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:11,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:11,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1886180804, now seen corresponding path program 1 times [2024-10-11 13:43:11,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:11,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829390431] [2024-10-11 13:43:11,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:11,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:12,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:12,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:12,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:12,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:12,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:12,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:12,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829390431] [2024-10-11 13:43:12,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829390431] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:12,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:12,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 13:43:12,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912930416] [2024-10-11 13:43:12,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:12,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 13:43:12,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:12,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 13:43:12,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 13:43:12,142 INFO L87 Difference]: Start difference. First operand 256 states and 339 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:12,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:12,205 INFO L93 Difference]: Finished difference Result 514 states and 678 transitions. [2024-10-11 13:43:12,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 13:43:12,205 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 183 [2024-10-11 13:43:12,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:12,206 INFO L225 Difference]: With dead ends: 514 [2024-10-11 13:43:12,206 INFO L226 Difference]: Without dead ends: 259 [2024-10-11 13:43:12,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 13:43:12,207 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 141 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:12,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 615 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 13:43:12,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-10-11 13:43:12,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 219. [2024-10-11 13:43:12,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 193 states have (on average 1.2435233160621761) internal successors, (240), 193 states have internal predecessors, (240), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 13:43:12,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 286 transitions. [2024-10-11 13:43:12,218 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 286 transitions. Word has length 183 [2024-10-11 13:43:12,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:12,219 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 286 transitions. [2024-10-11 13:43:12,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:12,219 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 286 transitions. [2024-10-11 13:43:12,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-10-11 13:43:12,220 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:12,220 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:12,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-11 13:43:12,220 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:12,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:12,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1534350312, now seen corresponding path program 1 times [2024-10-11 13:43:12,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:12,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219925786] [2024-10-11 13:43:12,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:12,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:12,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:12,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:12,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:12,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:12,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:12,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:12,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:12,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:12,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:12,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:12,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:12,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:12,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:12,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219925786] [2024-10-11 13:43:12,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219925786] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:12,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:12,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 13:43:12,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986045858] [2024-10-11 13:43:12,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:12,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 13:43:12,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:12,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 13:43:12,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 13:43:12,363 INFO L87 Difference]: Start difference. First operand 219 states and 286 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:12,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:12,394 INFO L93 Difference]: Finished difference Result 444 states and 580 transitions. [2024-10-11 13:43:12,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 13:43:12,395 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 184 [2024-10-11 13:43:12,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:12,396 INFO L225 Difference]: With dead ends: 444 [2024-10-11 13:43:12,396 INFO L226 Difference]: Without dead ends: 226 [2024-10-11 13:43:12,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 13:43:12,397 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 1 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:12,397 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 634 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 13:43:12,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-10-11 13:43:12,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 223. [2024-10-11 13:43:12,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 197 states have (on average 1.2385786802030456) internal successors, (244), 197 states have internal predecessors, (244), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 13:43:12,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 290 transitions. [2024-10-11 13:43:12,408 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 290 transitions. Word has length 184 [2024-10-11 13:43:12,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:12,408 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 290 transitions. [2024-10-11 13:43:12,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:12,408 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 290 transitions. [2024-10-11 13:43:12,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-10-11 13:43:12,409 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:12,409 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:12,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-11 13:43:12,410 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:12,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:12,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1749499734, now seen corresponding path program 1 times [2024-10-11 13:43:12,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:12,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165720521] [2024-10-11 13:43:12,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:12,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:12,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:12,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:12,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:12,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:12,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:12,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:12,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:12,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:12,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:12,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165720521] [2024-10-11 13:43:12,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165720521] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:12,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:12,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 13:43:12,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317173384] [2024-10-11 13:43:12,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:12,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 13:43:12,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:12,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 13:43:12,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 13:43:12,634 INFO L87 Difference]: Start difference. First operand 223 states and 290 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:12,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:12,719 INFO L93 Difference]: Finished difference Result 480 states and 623 transitions. [2024-10-11 13:43:12,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 13:43:12,720 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 184 [2024-10-11 13:43:12,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:12,721 INFO L225 Difference]: With dead ends: 480 [2024-10-11 13:43:12,721 INFO L226 Difference]: Without dead ends: 258 [2024-10-11 13:43:12,722 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 13:43:12,722 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 121 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:12,723 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 525 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 13:43:12,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-10-11 13:43:12,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 223. [2024-10-11 13:43:12,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 197 states have (on average 1.233502538071066) internal successors, (243), 197 states have internal predecessors, (243), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 13:43:12,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 289 transitions. [2024-10-11 13:43:12,732 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 289 transitions. Word has length 184 [2024-10-11 13:43:12,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:12,733 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 289 transitions. [2024-10-11 13:43:12,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:12,733 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 289 transitions. [2024-10-11 13:43:12,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-11 13:43:12,734 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:12,734 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:12,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-11 13:43:12,734 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:12,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:12,734 INFO L85 PathProgramCache]: Analyzing trace with hash -895956638, now seen corresponding path program 1 times [2024-10-11 13:43:12,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:12,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283704614] [2024-10-11 13:43:12,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:12,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:12,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:12,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:12,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:12,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:12,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:12,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:12,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:12,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:12,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:12,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:12,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:12,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:12,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283704614] [2024-10-11 13:43:12,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283704614] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:12,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:12,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 13:43:12,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208397542] [2024-10-11 13:43:12,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:12,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 13:43:12,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:12,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 13:43:12,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 13:43:12,973 INFO L87 Difference]: Start difference. First operand 223 states and 289 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:13,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:13,047 INFO L93 Difference]: Finished difference Result 526 states and 678 transitions. [2024-10-11 13:43:13,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 13:43:13,048 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 185 [2024-10-11 13:43:13,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:13,049 INFO L225 Difference]: With dead ends: 526 [2024-10-11 13:43:13,049 INFO L226 Difference]: Without dead ends: 304 [2024-10-11 13:43:13,050 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 13:43:13,050 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 71 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 792 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:13,050 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 792 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 13:43:13,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-10-11 13:43:13,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 301. [2024-10-11 13:43:13,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 269 states have (on average 1.237918215613383) internal successors, (333), 270 states have internal predecessors, (333), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-11 13:43:13,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 387 transitions. [2024-10-11 13:43:13,066 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 387 transitions. Word has length 185 [2024-10-11 13:43:13,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:13,066 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 387 transitions. [2024-10-11 13:43:13,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:13,066 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 387 transitions. [2024-10-11 13:43:13,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-11 13:43:13,067 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:13,067 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:13,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-11 13:43:13,067 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:13,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:13,068 INFO L85 PathProgramCache]: Analyzing trace with hash -472309916, now seen corresponding path program 1 times [2024-10-11 13:43:13,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:13,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71754934] [2024-10-11 13:43:13,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:13,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:13,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:13,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:13,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:13,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:13,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:13,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:13,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:13,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:13,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71754934] [2024-10-11 13:43:13,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71754934] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:13,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:13,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 13:43:13,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540453116] [2024-10-11 13:43:13,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:13,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 13:43:13,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:13,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 13:43:13,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-11 13:43:13,409 INFO L87 Difference]: Start difference. First operand 301 states and 387 transitions. Second operand has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 9 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:13,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:13,550 INFO L93 Difference]: Finished difference Result 649 states and 833 transitions. [2024-10-11 13:43:13,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 13:43:13,550 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 9 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 185 [2024-10-11 13:43:13,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:13,552 INFO L225 Difference]: With dead ends: 649 [2024-10-11 13:43:13,552 INFO L226 Difference]: Without dead ends: 349 [2024-10-11 13:43:13,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-10-11 13:43:13,553 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 141 mSDsluCounter, 1189 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 1440 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:13,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 1440 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 13:43:13,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2024-10-11 13:43:13,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 342. [2024-10-11 13:43:13,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 302 states have (on average 1.2384105960264902) internal successors, (374), 304 states have internal predecessors, (374), 33 states have call successors, (33), 6 states have call predecessors, (33), 6 states have return successors, (33), 31 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-11 13:43:13,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 440 transitions. [2024-10-11 13:43:13,574 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 440 transitions. Word has length 185 [2024-10-11 13:43:13,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:13,574 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 440 transitions. [2024-10-11 13:43:13,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 9 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:13,574 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 440 transitions. [2024-10-11 13:43:13,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-11 13:43:13,575 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:13,575 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:13,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-11 13:43:13,575 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:13,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:13,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1191616542, now seen corresponding path program 1 times [2024-10-11 13:43:13,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:13,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414041826] [2024-10-11 13:43:13,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:13,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:13,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:13,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:13,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:13,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:13,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:13,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:13,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:13,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:13,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:13,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:13,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:13,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:13,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414041826] [2024-10-11 13:43:13,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414041826] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:13,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:13,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 13:43:13,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935863368] [2024-10-11 13:43:13,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:13,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 13:43:13,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:13,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 13:43:13,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 13:43:13,788 INFO L87 Difference]: Start difference. First operand 342 states and 440 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:13,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:13,861 INFO L93 Difference]: Finished difference Result 722 states and 927 transitions. [2024-10-11 13:43:13,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 13:43:13,862 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 185 [2024-10-11 13:43:13,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:13,864 INFO L225 Difference]: With dead ends: 722 [2024-10-11 13:43:13,864 INFO L226 Difference]: Without dead ends: 381 [2024-10-11 13:43:13,864 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 13:43:13,865 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 76 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:13,865 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 710 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 13:43:13,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-10-11 13:43:13,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 343. [2024-10-11 13:43:13,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 302 states have (on average 1.2317880794701987) internal successors, (372), 304 states have internal predecessors, (372), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 31 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-11 13:43:13,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 438 transitions. [2024-10-11 13:43:13,885 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 438 transitions. Word has length 185 [2024-10-11 13:43:13,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:13,886 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 438 transitions. [2024-10-11 13:43:13,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:13,886 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 438 transitions. [2024-10-11 13:43:13,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-11 13:43:13,887 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:13,887 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:13,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-11 13:43:13,887 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:13,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:13,888 INFO L85 PathProgramCache]: Analyzing trace with hash 2092233504, now seen corresponding path program 1 times [2024-10-11 13:43:13,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:13,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408452452] [2024-10-11 13:43:13,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:13,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:13,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:14,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:14,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:14,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:14,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:14,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:14,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:14,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:14,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:14,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:14,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:14,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:14,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:14,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:14,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:14,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:14,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:14,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:14,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:14,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:14,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:14,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:14,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:14,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:14,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:14,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:14,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:14,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:14,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:14,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:14,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:14,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:14,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:14,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:14,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:14,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:14,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:14,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:14,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:14,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:14,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:14,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408452452] [2024-10-11 13:43:14,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408452452] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:14,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:14,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 13:43:14,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057747620] [2024-10-11 13:43:14,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:14,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 13:43:14,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:14,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 13:43:14,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-11 13:43:14,223 INFO L87 Difference]: Start difference. First operand 343 states and 438 transitions. Second operand has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 9 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:14,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:14,361 INFO L93 Difference]: Finished difference Result 731 states and 932 transitions. [2024-10-11 13:43:14,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 13:43:14,361 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 9 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 185 [2024-10-11 13:43:14,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:14,364 INFO L225 Difference]: With dead ends: 731 [2024-10-11 13:43:14,364 INFO L226 Difference]: Without dead ends: 389 [2024-10-11 13:43:14,365 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-10-11 13:43:14,365 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 277 mSDsluCounter, 1050 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 1258 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:14,365 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 1258 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 13:43:14,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-10-11 13:43:14,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 343. [2024-10-11 13:43:14,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 302 states have (on average 1.228476821192053) internal successors, (371), 304 states have internal predecessors, (371), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 31 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-11 13:43:14,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 437 transitions. [2024-10-11 13:43:14,411 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 437 transitions. Word has length 185 [2024-10-11 13:43:14,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:14,412 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 437 transitions. [2024-10-11 13:43:14,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 9 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:14,412 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 437 transitions. [2024-10-11 13:43:14,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-11 13:43:14,412 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:14,412 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:14,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-11 13:43:14,413 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:14,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:14,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1501669214, now seen corresponding path program 1 times [2024-10-11 13:43:14,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:14,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986828934] [2024-10-11 13:43:14,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:14,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:14,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:15,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:15,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:15,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:15,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:15,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:15,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:15,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:15,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:15,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:15,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:15,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:15,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:15,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:15,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:15,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:15,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:15,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:15,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:15,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:15,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:15,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:15,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:15,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:15,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:15,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:15,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:15,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:15,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:15,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:15,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:15,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:15,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:15,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:15,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:15,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986828934] [2024-10-11 13:43:15,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986828934] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:15,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:15,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 13:43:15,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951623680] [2024-10-11 13:43:15,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:15,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 13:43:15,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:15,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 13:43:15,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-11 13:43:15,147 INFO L87 Difference]: Start difference. First operand 343 states and 437 transitions. Second operand has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:15,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:15,466 INFO L93 Difference]: Finished difference Result 809 states and 1023 transitions. [2024-10-11 13:43:15,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 13:43:15,466 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 185 [2024-10-11 13:43:15,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:15,469 INFO L225 Difference]: With dead ends: 809 [2024-10-11 13:43:15,469 INFO L226 Difference]: Without dead ends: 467 [2024-10-11 13:43:15,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-10-11 13:43:15,470 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 207 mSDsluCounter, 1491 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 1743 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:15,470 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 1743 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 13:43:15,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2024-10-11 13:43:15,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 410. [2024-10-11 13:43:15,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 357 states have (on average 1.2212885154061626) internal successors, (436), 360 states have internal predecessors, (436), 41 states have call successors, (41), 11 states have call predecessors, (41), 11 states have return successors, (41), 38 states have call predecessors, (41), 41 states have call successors, (41) [2024-10-11 13:43:15,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 518 transitions. [2024-10-11 13:43:15,502 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 518 transitions. Word has length 185 [2024-10-11 13:43:15,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:15,502 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 518 transitions. [2024-10-11 13:43:15,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:15,502 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 518 transitions. [2024-10-11 13:43:15,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-11 13:43:15,503 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:15,503 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:15,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-11 13:43:15,504 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:15,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:15,504 INFO L85 PathProgramCache]: Analyzing trace with hash 287545314, now seen corresponding path program 1 times [2024-10-11 13:43:15,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:15,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285397481] [2024-10-11 13:43:15,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:15,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:16,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:16,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:16,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:16,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:16,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:16,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:16,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285397481] [2024-10-11 13:43:16,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285397481] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:16,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:16,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 13:43:16,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445967620] [2024-10-11 13:43:16,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:16,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 13:43:16,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:16,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 13:43:16,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-11 13:43:16,116 INFO L87 Difference]: Start difference. First operand 410 states and 518 transitions. Second operand has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:16,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:16,384 INFO L93 Difference]: Finished difference Result 892 states and 1121 transitions. [2024-10-11 13:43:16,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 13:43:16,385 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 185 [2024-10-11 13:43:16,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:16,387 INFO L225 Difference]: With dead ends: 892 [2024-10-11 13:43:16,387 INFO L226 Difference]: Without dead ends: 483 [2024-10-11 13:43:16,388 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-10-11 13:43:16,388 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 211 mSDsluCounter, 980 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 1175 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:16,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 1175 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 13:43:16,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2024-10-11 13:43:16,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 413. [2024-10-11 13:43:16,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 359 states have (on average 1.2200557103064067) internal successors, (438), 362 states have internal predecessors, (438), 41 states have call successors, (41), 12 states have call predecessors, (41), 12 states have return successors, (41), 38 states have call predecessors, (41), 41 states have call successors, (41) [2024-10-11 13:43:16,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 520 transitions. [2024-10-11 13:43:16,429 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 520 transitions. Word has length 185 [2024-10-11 13:43:16,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:16,429 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 520 transitions. [2024-10-11 13:43:16,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:16,429 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 520 transitions. [2024-10-11 13:43:16,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-11 13:43:16,430 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:16,430 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:16,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-10-11 13:43:16,430 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:16,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:16,430 INFO L85 PathProgramCache]: Analyzing trace with hash 906463228, now seen corresponding path program 1 times [2024-10-11 13:43:16,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:16,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282483196] [2024-10-11 13:43:16,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:16,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:16,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:16,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:16,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:16,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:16,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:16,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:16,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:16,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:16,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:16,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:16,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:16,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:16,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:16,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:16,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282483196] [2024-10-11 13:43:16,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282483196] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:16,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:16,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 13:43:16,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683924039] [2024-10-11 13:43:16,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:16,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 13:43:16,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:16,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 13:43:16,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 13:43:16,700 INFO L87 Difference]: Start difference. First operand 413 states and 520 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:16,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:16,908 INFO L93 Difference]: Finished difference Result 1131 states and 1431 transitions. [2024-10-11 13:43:16,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 13:43:16,908 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 186 [2024-10-11 13:43:16,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:16,912 INFO L225 Difference]: With dead ends: 1131 [2024-10-11 13:43:16,913 INFO L226 Difference]: Without dead ends: 719 [2024-10-11 13:43:16,913 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-10-11 13:43:16,914 INFO L432 NwaCegarLoop]: 358 mSDtfsCounter, 274 mSDsluCounter, 1021 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 1379 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:16,914 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 1379 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 13:43:16,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2024-10-11 13:43:16,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 549. [2024-10-11 13:43:16,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 475 states have (on average 1.2084210526315788) internal successors, (574), 480 states have internal predecessors, (574), 55 states have call successors, (55), 18 states have call predecessors, (55), 18 states have return successors, (55), 50 states have call predecessors, (55), 55 states have call successors, (55) [2024-10-11 13:43:16,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 684 transitions. [2024-10-11 13:43:16,962 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 684 transitions. Word has length 186 [2024-10-11 13:43:16,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:16,962 INFO L471 AbstractCegarLoop]: Abstraction has 549 states and 684 transitions. [2024-10-11 13:43:16,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:16,962 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 684 transitions. [2024-10-11 13:43:16,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-11 13:43:16,963 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:16,963 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:16,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-11 13:43:16,963 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:16,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:16,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1390099046, now seen corresponding path program 1 times [2024-10-11 13:43:16,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:16,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362996588] [2024-10-11 13:43:16,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:16,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:16,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:17,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:17,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:17,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:17,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:17,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:17,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:17,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:17,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:17,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:17,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:17,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:17,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362996588] [2024-10-11 13:43:17,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362996588] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:17,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:17,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 13:43:17,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909915383] [2024-10-11 13:43:17,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:17,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 13:43:17,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:17,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 13:43:17,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 13:43:17,053 INFO L87 Difference]: Start difference. First operand 549 states and 684 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:17,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:17,130 INFO L93 Difference]: Finished difference Result 1115 states and 1391 transitions. [2024-10-11 13:43:17,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 13:43:17,131 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 186 [2024-10-11 13:43:17,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:17,133 INFO L225 Difference]: With dead ends: 1115 [2024-10-11 13:43:17,133 INFO L226 Difference]: Without dead ends: 567 [2024-10-11 13:43:17,134 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 13:43:17,134 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 1 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:17,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 480 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 13:43:17,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2024-10-11 13:43:17,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 561. [2024-10-11 13:43:17,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 487 states have (on average 1.2032854209445585) internal successors, (586), 492 states have internal predecessors, (586), 55 states have call successors, (55), 18 states have call predecessors, (55), 18 states have return successors, (55), 50 states have call predecessors, (55), 55 states have call successors, (55) [2024-10-11 13:43:17,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 696 transitions. [2024-10-11 13:43:17,181 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 696 transitions. Word has length 186 [2024-10-11 13:43:17,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:17,182 INFO L471 AbstractCegarLoop]: Abstraction has 561 states and 696 transitions. [2024-10-11 13:43:17,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:17,182 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 696 transitions. [2024-10-11 13:43:17,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-11 13:43:17,183 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:17,183 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:17,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-11 13:43:17,183 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:17,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:17,183 INFO L85 PathProgramCache]: Analyzing trace with hash -710040676, now seen corresponding path program 1 times [2024-10-11 13:43:17,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:17,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690203656] [2024-10-11 13:43:17,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:17,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:17,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:17,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:17,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:17,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:17,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:17,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:17,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:17,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:17,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:17,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:17,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:17,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:17,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:17,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690203656] [2024-10-11 13:43:17,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690203656] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:17,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:17,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 13:43:17,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613368298] [2024-10-11 13:43:17,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:17,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 13:43:17,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:17,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 13:43:17,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 13:43:17,388 INFO L87 Difference]: Start difference. First operand 561 states and 696 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:17,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:17,508 INFO L93 Difference]: Finished difference Result 1622 states and 2006 transitions. [2024-10-11 13:43:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 13:43:17,509 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 186 [2024-10-11 13:43:17,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:17,512 INFO L225 Difference]: With dead ends: 1622 [2024-10-11 13:43:17,512 INFO L226 Difference]: Without dead ends: 1062 [2024-10-11 13:43:17,513 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 13:43:17,513 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 87 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 697 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:17,513 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 697 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 13:43:17,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2024-10-11 13:43:17,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 1059. [2024-10-11 13:43:17,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1059 states, 925 states have (on average 1.1989189189189189) internal successors, (1109), 936 states have internal predecessors, (1109), 97 states have call successors, (97), 36 states have call predecessors, (97), 36 states have return successors, (97), 86 states have call predecessors, (97), 97 states have call successors, (97) [2024-10-11 13:43:17,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 1059 states and 1303 transitions. [2024-10-11 13:43:17,604 INFO L78 Accepts]: Start accepts. Automaton has 1059 states and 1303 transitions. Word has length 186 [2024-10-11 13:43:17,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:17,605 INFO L471 AbstractCegarLoop]: Abstraction has 1059 states and 1303 transitions. [2024-10-11 13:43:17,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:17,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1303 transitions. [2024-10-11 13:43:17,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-11 13:43:17,607 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:17,607 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:17,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-10-11 13:43:17,607 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:17,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:17,608 INFO L85 PathProgramCache]: Analyzing trace with hash -2091163624, now seen corresponding path program 1 times [2024-10-11 13:43:17,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:17,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228338147] [2024-10-11 13:43:17,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:17,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:18,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:18,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:18,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:18,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:18,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:18,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:18,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:18,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:18,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:18,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:18,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:18,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:18,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:18,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:18,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:18,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:18,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:18,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:18,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:18,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:18,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:18,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:18,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:18,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:18,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:18,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:18,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:18,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:18,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:18,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:18,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:18,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:18,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:18,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:18,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228338147] [2024-10-11 13:43:18,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228338147] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:18,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:18,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 13:43:18,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593147669] [2024-10-11 13:43:18,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:18,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 13:43:18,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:18,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 13:43:18,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-11 13:43:18,162 INFO L87 Difference]: Start difference. First operand 1059 states and 1303 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 9 states have internal predecessors, (74), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:18,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:18,616 INFO L93 Difference]: Finished difference Result 3137 states and 3852 transitions. [2024-10-11 13:43:18,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 13:43:18,617 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 9 states have internal predecessors, (74), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 186 [2024-10-11 13:43:18,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:18,623 INFO L225 Difference]: With dead ends: 3137 [2024-10-11 13:43:18,623 INFO L226 Difference]: Without dead ends: 2079 [2024-10-11 13:43:18,624 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-10-11 13:43:18,627 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 164 mSDsluCounter, 1029 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 1243 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:18,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 1243 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 13:43:18,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2079 states. [2024-10-11 13:43:18,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2079 to 2047. [2024-10-11 13:43:18,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2047 states, 1789 states have (on average 1.1866964784795975) internal successors, (2123), 1812 states have internal predecessors, (2123), 185 states have call successors, (185), 72 states have call predecessors, (185), 72 states have return successors, (185), 162 states have call predecessors, (185), 185 states have call successors, (185) [2024-10-11 13:43:18,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2047 states to 2047 states and 2493 transitions. [2024-10-11 13:43:18,800 INFO L78 Accepts]: Start accepts. Automaton has 2047 states and 2493 transitions. Word has length 186 [2024-10-11 13:43:18,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:18,801 INFO L471 AbstractCegarLoop]: Abstraction has 2047 states and 2493 transitions. [2024-10-11 13:43:18,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 9 states have internal predecessors, (74), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:18,801 INFO L276 IsEmpty]: Start isEmpty. Operand 2047 states and 2493 transitions. [2024-10-11 13:43:18,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-11 13:43:18,803 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:18,803 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:18,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-10-11 13:43:18,803 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:18,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:18,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1431632102, now seen corresponding path program 1 times [2024-10-11 13:43:18,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:18,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145495551] [2024-10-11 13:43:18,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:18,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:18,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:19,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:19,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:19,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:19,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:19,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:19,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:19,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:19,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:19,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:19,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:19,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:19,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:19,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:19,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:19,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:19,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:19,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:19,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:19,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:19,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:19,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:19,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:19,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:19,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:19,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:19,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:19,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:19,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:19,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:19,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:19,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145495551] [2024-10-11 13:43:19,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145495551] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:19,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:19,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 13:43:19,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480578609] [2024-10-11 13:43:19,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:19,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 13:43:19,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:19,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 13:43:19,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-11 13:43:19,088 INFO L87 Difference]: Start difference. First operand 2047 states and 2493 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:19,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:19,399 INFO L93 Difference]: Finished difference Result 4646 states and 5645 transitions. [2024-10-11 13:43:19,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 13:43:19,400 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 186 [2024-10-11 13:43:19,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:19,410 INFO L225 Difference]: With dead ends: 4646 [2024-10-11 13:43:19,410 INFO L226 Difference]: Without dead ends: 2600 [2024-10-11 13:43:19,413 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-11 13:43:19,413 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 154 mSDsluCounter, 732 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 949 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:19,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 949 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 13:43:19,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2600 states. [2024-10-11 13:43:19,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2600 to 2573. [2024-10-11 13:43:19,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2573 states, 2238 states have (on average 1.1809651474530831) internal successors, (2643), 2268 states have internal predecessors, (2643), 239 states have call successors, (239), 95 states have call predecessors, (239), 95 states have return successors, (239), 209 states have call predecessors, (239), 239 states have call successors, (239) [2024-10-11 13:43:19,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2573 states to 2573 states and 3121 transitions. [2024-10-11 13:43:19,664 INFO L78 Accepts]: Start accepts. Automaton has 2573 states and 3121 transitions. Word has length 186 [2024-10-11 13:43:19,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:19,665 INFO L471 AbstractCegarLoop]: Abstraction has 2573 states and 3121 transitions. [2024-10-11 13:43:19,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:19,665 INFO L276 IsEmpty]: Start isEmpty. Operand 2573 states and 3121 transitions. [2024-10-11 13:43:19,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-11 13:43:19,668 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:19,669 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:19,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-10-11 13:43:19,669 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:19,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:19,669 INFO L85 PathProgramCache]: Analyzing trace with hash -751573732, now seen corresponding path program 1 times [2024-10-11 13:43:19,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:19,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133626118] [2024-10-11 13:43:19,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:19,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:20,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:20,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:20,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:20,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:20,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:20,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:20,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:20,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:20,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:20,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:20,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:20,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133626118] [2024-10-11 13:43:20,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133626118] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:20,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:20,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 13:43:20,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368004559] [2024-10-11 13:43:20,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:20,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 13:43:20,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:20,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 13:43:20,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-11 13:43:20,079 INFO L87 Difference]: Start difference. First operand 2573 states and 3121 transitions. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:20,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:20,496 INFO L93 Difference]: Finished difference Result 5697 states and 6922 transitions. [2024-10-11 13:43:20,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 13:43:20,496 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 186 [2024-10-11 13:43:20,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:20,505 INFO L225 Difference]: With dead ends: 5697 [2024-10-11 13:43:20,505 INFO L226 Difference]: Without dead ends: 3161 [2024-10-11 13:43:20,508 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-10-11 13:43:20,508 INFO L432 NwaCegarLoop]: 306 mSDtfsCounter, 149 mSDsluCounter, 1603 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 1909 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:20,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 1909 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 13:43:20,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3161 states. [2024-10-11 13:43:20,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3161 to 2827. [2024-10-11 13:43:20,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2827 states, 2489 states have (on average 1.1707513057452792) internal successors, (2914), 2519 states have internal predecessors, (2914), 241 states have call successors, (241), 96 states have call predecessors, (241), 96 states have return successors, (241), 211 states have call predecessors, (241), 241 states have call successors, (241) [2024-10-11 13:43:20,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2827 states to 2827 states and 3396 transitions. [2024-10-11 13:43:20,721 INFO L78 Accepts]: Start accepts. Automaton has 2827 states and 3396 transitions. Word has length 186 [2024-10-11 13:43:20,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:20,721 INFO L471 AbstractCegarLoop]: Abstraction has 2827 states and 3396 transitions. [2024-10-11 13:43:20,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:20,721 INFO L276 IsEmpty]: Start isEmpty. Operand 2827 states and 3396 transitions. [2024-10-11 13:43:20,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-11 13:43:20,724 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:20,724 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:20,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-10-11 13:43:20,724 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:20,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:20,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1017968028, now seen corresponding path program 1 times [2024-10-11 13:43:20,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:20,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825243870] [2024-10-11 13:43:20,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:20,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:20,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:20,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:20,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:20,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:20,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:20,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:20,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:20,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:20,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:20,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:20,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:20,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:20,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825243870] [2024-10-11 13:43:20,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825243870] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:20,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:20,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 13:43:20,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582508184] [2024-10-11 13:43:20,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:20,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 13:43:20,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:20,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 13:43:20,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 13:43:20,904 INFO L87 Difference]: Start difference. First operand 2827 states and 3396 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:21,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:21,267 INFO L93 Difference]: Finished difference Result 5589 states and 6698 transitions. [2024-10-11 13:43:21,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 13:43:21,268 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 186 [2024-10-11 13:43:21,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:21,276 INFO L225 Difference]: With dead ends: 5589 [2024-10-11 13:43:21,276 INFO L226 Difference]: Without dead ends: 2807 [2024-10-11 13:43:21,279 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 13:43:21,280 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 151 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:21,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 620 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 13:43:21,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2807 states. [2024-10-11 13:43:21,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2807 to 2249. [2024-10-11 13:43:21,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2249 states, 2046 states have (on average 1.1515151515151516) internal successors, (2356), 2063 states have internal predecessors, (2356), 145 states have call successors, (145), 57 states have call predecessors, (145), 57 states have return successors, (145), 128 states have call predecessors, (145), 145 states have call successors, (145) [2024-10-11 13:43:21,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2249 states to 2249 states and 2646 transitions. [2024-10-11 13:43:21,515 INFO L78 Accepts]: Start accepts. Automaton has 2249 states and 2646 transitions. Word has length 186 [2024-10-11 13:43:21,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:21,515 INFO L471 AbstractCegarLoop]: Abstraction has 2249 states and 2646 transitions. [2024-10-11 13:43:21,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:21,515 INFO L276 IsEmpty]: Start isEmpty. Operand 2249 states and 2646 transitions. [2024-10-11 13:43:21,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-10-11 13:43:21,518 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:21,518 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:21,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-10-11 13:43:21,519 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:21,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:21,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1525183462, now seen corresponding path program 1 times [2024-10-11 13:43:21,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:21,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328561144] [2024-10-11 13:43:21,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:21,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:22,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:22,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:22,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:22,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:22,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:22,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:22,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:22,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:22,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:22,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:22,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:22,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:22,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:22,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:22,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:22,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:22,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:22,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:22,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:22,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:22,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:22,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:22,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:22,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:22,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:22,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:22,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:22,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:22,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:22,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:22,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:22,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:22,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:22,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:22,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:22,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:22,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:22,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:22,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:22,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328561144] [2024-10-11 13:43:22,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328561144] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:22,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:22,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 13:43:22,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270088411] [2024-10-11 13:43:22,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:22,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 13:43:22,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:22,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 13:43:22,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 13:43:22,105 INFO L87 Difference]: Start difference. First operand 2249 states and 2646 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:22,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:22,450 INFO L93 Difference]: Finished difference Result 4498 states and 5289 transitions. [2024-10-11 13:43:22,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 13:43:22,451 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 187 [2024-10-11 13:43:22,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:22,459 INFO L225 Difference]: With dead ends: 4498 [2024-10-11 13:43:22,459 INFO L226 Difference]: Without dead ends: 2250 [2024-10-11 13:43:22,464 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-10-11 13:43:22,464 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 84 mSDsluCounter, 1217 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 1445 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:22,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 1445 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 13:43:22,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2250 states. [2024-10-11 13:43:22,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2250 to 2155. [2024-10-11 13:43:22,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2155 states, 1952 states have (on average 1.151639344262295) internal successors, (2248), 1969 states have internal predecessors, (2248), 145 states have call successors, (145), 57 states have call predecessors, (145), 57 states have return successors, (145), 128 states have call predecessors, (145), 145 states have call successors, (145) [2024-10-11 13:43:22,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 2538 transitions. [2024-10-11 13:43:22,611 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 2538 transitions. Word has length 187 [2024-10-11 13:43:22,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:22,612 INFO L471 AbstractCegarLoop]: Abstraction has 2155 states and 2538 transitions. [2024-10-11 13:43:22,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:22,612 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2538 transitions. [2024-10-11 13:43:22,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-10-11 13:43:22,614 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:22,614 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:22,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-10-11 13:43:22,615 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:22,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:22,615 INFO L85 PathProgramCache]: Analyzing trace with hash 625207507, now seen corresponding path program 1 times [2024-10-11 13:43:22,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:22,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442536314] [2024-10-11 13:43:22,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:22,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:23,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:23,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:23,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:23,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:23,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:23,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:23,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:23,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:23,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:23,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:23,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:23,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:23,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:23,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:23,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:23,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:23,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:23,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:23,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:23,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:23,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:23,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:23,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:23,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:23,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:23,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:23,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:23,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:23,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:23,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:23,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:23,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:23,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:23,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:23,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:23,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:23,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442536314] [2024-10-11 13:43:23,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442536314] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:23,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:23,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-11 13:43:23,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535331964] [2024-10-11 13:43:23,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:23,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 13:43:23,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:23,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 13:43:23,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-10-11 13:43:23,377 INFO L87 Difference]: Start difference. First operand 2155 states and 2538 transitions. Second operand has 13 states, 11 states have (on average 6.909090909090909) internal successors, (76), 12 states have internal predecessors, (76), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-10-11 13:43:24,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:24,050 INFO L93 Difference]: Finished difference Result 4576 states and 5410 transitions. [2024-10-11 13:43:24,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 13:43:24,051 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 6.909090909090909) internal successors, (76), 12 states have internal predecessors, (76), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 188 [2024-10-11 13:43:24,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:24,056 INFO L225 Difference]: With dead ends: 4576 [2024-10-11 13:43:24,056 INFO L226 Difference]: Without dead ends: 2422 [2024-10-11 13:43:24,059 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=370, Unknown=0, NotChecked=0, Total=462 [2024-10-11 13:43:24,059 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 223 mSDsluCounter, 1628 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 1877 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:24,059 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 1877 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 13:43:24,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2422 states. [2024-10-11 13:43:24,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2422 to 2155. [2024-10-11 13:43:24,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2155 states, 1952 states have (on average 1.151639344262295) internal successors, (2248), 1969 states have internal predecessors, (2248), 145 states have call successors, (145), 57 states have call predecessors, (145), 57 states have return successors, (145), 128 states have call predecessors, (145), 145 states have call successors, (145) [2024-10-11 13:43:24,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 2538 transitions. [2024-10-11 13:43:24,214 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 2538 transitions. Word has length 188 [2024-10-11 13:43:24,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:24,214 INFO L471 AbstractCegarLoop]: Abstraction has 2155 states and 2538 transitions. [2024-10-11 13:43:24,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 6.909090909090909) internal successors, (76), 12 states have internal predecessors, (76), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-10-11 13:43:24,214 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2538 transitions. [2024-10-11 13:43:24,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-10-11 13:43:24,216 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:24,216 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:24,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-10-11 13:43:24,216 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:24,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:24,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1305265877, now seen corresponding path program 1 times [2024-10-11 13:43:24,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:24,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179828779] [2024-10-11 13:43:24,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:24,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:24,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:24,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:24,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:24,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:24,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:24,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:24,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:24,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:24,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:24,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:24,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:24,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:24,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:24,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:24,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:24,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:24,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:24,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:24,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:24,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:24,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:24,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:24,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:24,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:24,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:24,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:24,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:24,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:24,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:24,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:24,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:24,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:24,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:24,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:24,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:24,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179828779] [2024-10-11 13:43:24,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179828779] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:24,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:24,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 13:43:24,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732153845] [2024-10-11 13:43:24,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:24,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 13:43:24,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:24,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 13:43:24,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-11 13:43:24,465 INFO L87 Difference]: Start difference. First operand 2155 states and 2538 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:24,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:24,708 INFO L93 Difference]: Finished difference Result 4315 states and 5079 transitions. [2024-10-11 13:43:24,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 13:43:24,709 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 188 [2024-10-11 13:43:24,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:24,716 INFO L225 Difference]: With dead ends: 4315 [2024-10-11 13:43:24,716 INFO L226 Difference]: Without dead ends: 2161 [2024-10-11 13:43:24,722 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-11 13:43:24,722 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 220 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 880 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:24,722 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 880 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 13:43:24,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2161 states. [2024-10-11 13:43:24,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2161 to 1952. [2024-10-11 13:43:24,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1952 states, 1748 states have (on average 1.1493135011441649) internal successors, (2009), 1765 states have internal predecessors, (2009), 145 states have call successors, (145), 58 states have call predecessors, (145), 58 states have return successors, (145), 128 states have call predecessors, (145), 145 states have call successors, (145) [2024-10-11 13:43:24,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1952 states to 1952 states and 2299 transitions. [2024-10-11 13:43:24,878 INFO L78 Accepts]: Start accepts. Automaton has 1952 states and 2299 transitions. Word has length 188 [2024-10-11 13:43:24,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:24,878 INFO L471 AbstractCegarLoop]: Abstraction has 1952 states and 2299 transitions. [2024-10-11 13:43:24,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:24,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1952 states and 2299 transitions. [2024-10-11 13:43:24,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-10-11 13:43:24,880 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:24,880 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:24,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-10-11 13:43:24,880 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:24,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:24,881 INFO L85 PathProgramCache]: Analyzing trace with hash 843554022, now seen corresponding path program 1 times [2024-10-11 13:43:24,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:24,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821447860] [2024-10-11 13:43:24,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:24,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:25,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:25,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:25,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:25,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:25,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:25,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:25,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:25,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:25,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:25,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:25,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:25,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:25,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:25,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:25,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:25,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:25,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:25,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:25,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:25,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:25,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:25,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:25,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:25,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:25,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:25,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:25,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:25,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:25,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:25,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:25,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:25,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:25,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-11 13:43:25,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:25,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821447860] [2024-10-11 13:43:25,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821447860] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 13:43:25,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708516890] [2024-10-11 13:43:25,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:25,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 13:43:25,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 13:43:25,329 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 13:43:25,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 13:43:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:25,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-11 13:43:25,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 13:43:25,640 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 [2024-10-11 13:43:26,122 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 227 treesize of output 187 [2024-10-11 13:43:26,126 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 187 treesize of output 147 [2024-10-11 13:43:26,129 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 147 treesize of output 123 [2024-10-11 13:43:26,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-11 13:43:26,173 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 13:43:26,726 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:26,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708516890] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-11 13:43:26,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-10-11 13:43:26,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10, 8] total 15 [2024-10-11 13:43:26,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276504424] [2024-10-11 13:43:26,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:26,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 13:43:26,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:26,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 13:43:26,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-10-11 13:43:26,728 INFO L87 Difference]: Start difference. First operand 1952 states and 2299 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:27,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:27,135 INFO L93 Difference]: Finished difference Result 4495 states and 5300 transitions. [2024-10-11 13:43:27,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 13:43:27,135 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 188 [2024-10-11 13:43:27,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:27,141 INFO L225 Difference]: With dead ends: 4495 [2024-10-11 13:43:27,141 INFO L226 Difference]: Without dead ends: 2544 [2024-10-11 13:43:27,143 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 414 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2024-10-11 13:43:27,143 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 94 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 975 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:27,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 975 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 13:43:27,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2544 states. [2024-10-11 13:43:27,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2544 to 2541. [2024-10-11 13:43:27,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2541 states, 2248 states have (on average 1.1423487544483986) internal successors, (2568), 2272 states have internal predecessors, (2568), 207 states have call successors, (207), 85 states have call predecessors, (207), 85 states have return successors, (207), 183 states have call predecessors, (207), 207 states have call successors, (207) [2024-10-11 13:43:27,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2541 states to 2541 states and 2982 transitions. [2024-10-11 13:43:27,456 INFO L78 Accepts]: Start accepts. Automaton has 2541 states and 2982 transitions. Word has length 188 [2024-10-11 13:43:27,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:27,457 INFO L471 AbstractCegarLoop]: Abstraction has 2541 states and 2982 transitions. [2024-10-11 13:43:27,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:27,457 INFO L276 IsEmpty]: Start isEmpty. Operand 2541 states and 2982 transitions. [2024-10-11 13:43:27,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-10-11 13:43:27,459 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:27,459 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:27,474 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 13:43:27,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2024-10-11 13:43:27,661 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:27,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:27,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1864990119, now seen corresponding path program 1 times [2024-10-11 13:43:27,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:27,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537563546] [2024-10-11 13:43:27,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:27,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:27,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:27,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:27,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:27,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:27,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:27,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:27,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:27,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:27,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:27,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:27,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:27,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:27,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:27,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:27,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:27,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:27,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:27,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:27,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:27,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:27,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:27,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:27,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:27,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:27,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:27,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:27,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:27,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:27,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:27,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:27,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:27,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:27,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:27,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:27,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:27,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:27,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:27,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537563546] [2024-10-11 13:43:27,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537563546] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:27,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:27,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 13:43:27,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948358233] [2024-10-11 13:43:27,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:27,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 13:43:27,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:27,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 13:43:27,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 13:43:27,781 INFO L87 Difference]: Start difference. First operand 2541 states and 2982 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:28,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:28,037 INFO L93 Difference]: Finished difference Result 4581 states and 5395 transitions. [2024-10-11 13:43:28,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 13:43:28,038 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 188 [2024-10-11 13:43:28,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:28,042 INFO L225 Difference]: With dead ends: 4581 [2024-10-11 13:43:28,043 INFO L226 Difference]: Without dead ends: 2093 [2024-10-11 13:43:28,045 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 13:43:28,045 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 0 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:28,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 478 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 13:43:28,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2093 states. [2024-10-11 13:43:28,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2093 to 2093. [2024-10-11 13:43:28,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2093 states, 1800 states have (on average 1.1422222222222222) internal successors, (2056), 1824 states have internal predecessors, (2056), 207 states have call successors, (207), 85 states have call predecessors, (207), 85 states have return successors, (207), 183 states have call predecessors, (207), 207 states have call successors, (207) [2024-10-11 13:43:28,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2093 states to 2093 states and 2470 transitions. [2024-10-11 13:43:28,295 INFO L78 Accepts]: Start accepts. Automaton has 2093 states and 2470 transitions. Word has length 188 [2024-10-11 13:43:28,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:28,296 INFO L471 AbstractCegarLoop]: Abstraction has 2093 states and 2470 transitions. [2024-10-11 13:43:28,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:28,296 INFO L276 IsEmpty]: Start isEmpty. Operand 2093 states and 2470 transitions. [2024-10-11 13:43:28,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-11 13:43:28,298 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:28,298 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:28,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-10-11 13:43:28,298 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:28,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:28,298 INFO L85 PathProgramCache]: Analyzing trace with hash -63905055, now seen corresponding path program 1 times [2024-10-11 13:43:28,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:28,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718961310] [2024-10-11 13:43:28,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:28,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:28,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:28,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:28,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:28,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:28,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:28,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:28,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:28,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:28,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:28,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:28,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:28,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:28,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:28,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:28,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:28,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:28,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:28,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:28,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:28,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:28,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:28,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:28,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:28,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:28,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:28,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:28,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:28,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:28,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:28,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:28,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:28,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:28,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:28,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:28,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:28,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:28,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:28,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:28,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718961310] [2024-10-11 13:43:28,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718961310] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:28,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:28,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 13:43:28,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539805026] [2024-10-11 13:43:28,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:28,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 13:43:28,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:28,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 13:43:28,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 13:43:28,546 INFO L87 Difference]: Start difference. First operand 2093 states and 2470 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:28,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:28,891 INFO L93 Difference]: Finished difference Result 4203 states and 4966 transitions. [2024-10-11 13:43:28,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 13:43:28,892 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 190 [2024-10-11 13:43:28,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:28,896 INFO L225 Difference]: With dead ends: 4203 [2024-10-11 13:43:28,896 INFO L226 Difference]: Without dead ends: 2163 [2024-10-11 13:43:28,898 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 13:43:28,898 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 130 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:28,898 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 766 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 13:43:28,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2163 states. [2024-10-11 13:43:29,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2163 to 2111. [2024-10-11 13:43:29,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2111 states, 1810 states have (on average 1.138121546961326) internal successors, (2060), 1834 states have internal predecessors, (2060), 214 states have call successors, (214), 86 states have call predecessors, (214), 86 states have return successors, (214), 190 states have call predecessors, (214), 214 states have call successors, (214) [2024-10-11 13:43:29,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2111 states to 2111 states and 2488 transitions. [2024-10-11 13:43:29,154 INFO L78 Accepts]: Start accepts. Automaton has 2111 states and 2488 transitions. Word has length 190 [2024-10-11 13:43:29,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:29,154 INFO L471 AbstractCegarLoop]: Abstraction has 2111 states and 2488 transitions. [2024-10-11 13:43:29,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:29,154 INFO L276 IsEmpty]: Start isEmpty. Operand 2111 states and 2488 transitions. [2024-10-11 13:43:29,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-11 13:43:29,156 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:29,156 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:29,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-10-11 13:43:29,156 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:29,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:29,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1978460065, now seen corresponding path program 1 times [2024-10-11 13:43:29,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:29,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252461249] [2024-10-11 13:43:29,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:29,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:29,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:29,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:29,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:29,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:29,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:29,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:29,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:29,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:29,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:29,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:29,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:29,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:29,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:29,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:29,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:29,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:29,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:29,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:29,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:29,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:29,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:29,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:29,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:29,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:29,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:29,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:29,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:29,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:29,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:29,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:29,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:29,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:29,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:29,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:29,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:29,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252461249] [2024-10-11 13:43:29,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252461249] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:29,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:29,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 13:43:29,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472951538] [2024-10-11 13:43:29,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:29,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 13:43:29,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:29,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 13:43:29,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 13:43:29,385 INFO L87 Difference]: Start difference. First operand 2111 states and 2488 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:29,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:29,746 INFO L93 Difference]: Finished difference Result 4131 states and 4852 transitions. [2024-10-11 13:43:29,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 13:43:29,746 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 190 [2024-10-11 13:43:29,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:29,751 INFO L225 Difference]: With dead ends: 4131 [2024-10-11 13:43:29,751 INFO L226 Difference]: Without dead ends: 2073 [2024-10-11 13:43:29,753 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 13:43:29,754 INFO L432 NwaCegarLoop]: 247 mSDtfsCounter, 127 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 846 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:29,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 846 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 13:43:29,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2073 states. [2024-10-11 13:43:30,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2073 to 2021. [2024-10-11 13:43:30,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2021 states, 1720 states have (on average 1.113953488372093) internal successors, (1916), 1744 states have internal predecessors, (1916), 214 states have call successors, (214), 86 states have call predecessors, (214), 86 states have return successors, (214), 190 states have call predecessors, (214), 214 states have call successors, (214) [2024-10-11 13:43:30,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2021 states to 2021 states and 2344 transitions. [2024-10-11 13:43:30,010 INFO L78 Accepts]: Start accepts. Automaton has 2021 states and 2344 transitions. Word has length 190 [2024-10-11 13:43:30,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:30,010 INFO L471 AbstractCegarLoop]: Abstraction has 2021 states and 2344 transitions. [2024-10-11 13:43:30,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:30,011 INFO L276 IsEmpty]: Start isEmpty. Operand 2021 states and 2344 transitions. [2024-10-11 13:43:30,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-11 13:43:30,012 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:30,012 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:30,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-10-11 13:43:30,013 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:30,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:30,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1621855276, now seen corresponding path program 1 times [2024-10-11 13:43:30,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:30,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765279498] [2024-10-11 13:43:30,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:30,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:30,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:30,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:30,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:30,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:30,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:30,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:30,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:30,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:30,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:30,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:30,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:30,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:30,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:30,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:30,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:30,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:30,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:30,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:30,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:30,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:30,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:30,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:30,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:30,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:30,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:30,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:30,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:30,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:30,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:30,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:30,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:30,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:30,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:30,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:30,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765279498] [2024-10-11 13:43:30,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765279498] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:30,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:30,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 13:43:30,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902159344] [2024-10-11 13:43:30,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:30,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 13:43:30,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:30,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 13:43:30,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-11 13:43:30,404 INFO L87 Difference]: Start difference. First operand 2021 states and 2344 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:30,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:30,785 INFO L93 Difference]: Finished difference Result 2469 states and 2858 transitions. [2024-10-11 13:43:30,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 13:43:30,786 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 190 [2024-10-11 13:43:30,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:30,790 INFO L225 Difference]: With dead ends: 2469 [2024-10-11 13:43:30,790 INFO L226 Difference]: Without dead ends: 2467 [2024-10-11 13:43:30,791 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-11 13:43:30,791 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 45 mSDsluCounter, 705 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:30,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 873 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 13:43:30,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2467 states. [2024-10-11 13:43:31,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2467 to 2345. [2024-10-11 13:43:31,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2345 states, 2044 states have (on average 1.1095890410958904) internal successors, (2268), 2068 states have internal predecessors, (2268), 214 states have call successors, (214), 86 states have call predecessors, (214), 86 states have return successors, (214), 190 states have call predecessors, (214), 214 states have call successors, (214) [2024-10-11 13:43:31,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2345 states to 2345 states and 2696 transitions. [2024-10-11 13:43:31,044 INFO L78 Accepts]: Start accepts. Automaton has 2345 states and 2696 transitions. Word has length 190 [2024-10-11 13:43:31,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:31,045 INFO L471 AbstractCegarLoop]: Abstraction has 2345 states and 2696 transitions. [2024-10-11 13:43:31,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:31,045 INFO L276 IsEmpty]: Start isEmpty. Operand 2345 states and 2696 transitions. [2024-10-11 13:43:31,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-11 13:43:31,048 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:31,048 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:31,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-10-11 13:43:31,048 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:31,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:31,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1044221596, now seen corresponding path program 1 times [2024-10-11 13:43:31,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:31,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149914215] [2024-10-11 13:43:31,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:31,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:31,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:31,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:31,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:31,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:31,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:31,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:31,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:31,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:31,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:31,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:31,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:31,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:31,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:31,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:31,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:31,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:31,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:31,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:31,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:31,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:31,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:31,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:31,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:31,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:31,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:31,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:31,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:31,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:31,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:31,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-11 13:43:31,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:31,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149914215] [2024-10-11 13:43:31,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149914215] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 13:43:31,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728629074] [2024-10-11 13:43:31,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:31,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 13:43:31,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 13:43:31,439 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 13:43:31,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 13:43:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:31,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-11 13:43:31,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 13:43:31,878 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 [2024-10-11 13:43:31,987 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 11 treesize of output 7 [2024-10-11 13:43:32,014 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 45 treesize of output 29 [2024-10-11 13:43:32,034 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 11 treesize of output 7 [2024-10-11 13:43:32,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 8 proven. 528 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2024-10-11 13:43:32,121 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 13:43:32,504 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 48 treesize of output 40 [2024-10-11 13:43:32,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-11 13:43:32,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [728629074] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 13:43:32,608 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 13:43:32,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 14, 14] total 28 [2024-10-11 13:43:32,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690463119] [2024-10-11 13:43:32,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 13:43:32,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-10-11 13:43:32,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:32,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-10-11 13:43:32,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=656, Unknown=0, NotChecked=0, Total=756 [2024-10-11 13:43:32,610 INFO L87 Difference]: Start difference. First operand 2345 states and 2696 transitions. Second operand has 28 states, 25 states have (on average 6.68) internal successors, (167), 27 states have internal predecessors, (167), 5 states have call successors, (47), 3 states have call predecessors, (47), 5 states have return successors, (47), 3 states have call predecessors, (47), 5 states have call successors, (47) [2024-10-11 13:43:35,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:35,182 INFO L93 Difference]: Finished difference Result 4416 states and 5072 transitions. [2024-10-11 13:43:35,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-10-11 13:43:35,182 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 25 states have (on average 6.68) internal successors, (167), 27 states have internal predecessors, (167), 5 states have call successors, (47), 3 states have call predecessors, (47), 5 states have return successors, (47), 3 states have call predecessors, (47), 5 states have call successors, (47) Word has length 190 [2024-10-11 13:43:35,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:35,187 INFO L225 Difference]: With dead ends: 4416 [2024-10-11 13:43:35,187 INFO L226 Difference]: Without dead ends: 2124 [2024-10-11 13:43:35,191 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 486 GetRequests, 408 SyntacticMatches, 2 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1386 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1009, Invalid=4997, Unknown=0, NotChecked=0, Total=6006 [2024-10-11 13:43:35,191 INFO L432 NwaCegarLoop]: 290 mSDtfsCounter, 1641 mSDsluCounter, 2970 mSDsCounter, 0 mSdLazyCounter, 2012 mSolverCounterSat, 642 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1641 SdHoareTripleChecker+Valid, 3260 SdHoareTripleChecker+Invalid, 2654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 642 IncrementalHoareTripleChecker+Valid, 2012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:35,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1641 Valid, 3260 Invalid, 2654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [642 Valid, 2012 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 13:43:35,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2124 states. [2024-10-11 13:43:35,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2124 to 1794. [2024-10-11 13:43:35,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1794 states, 1563 states have (on average 1.110684580934101) internal successors, (1736), 1580 states have internal predecessors, (1736), 164 states have call successors, (164), 66 states have call predecessors, (164), 66 states have return successors, (164), 147 states have call predecessors, (164), 164 states have call successors, (164) [2024-10-11 13:43:35,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1794 states to 1794 states and 2064 transitions. [2024-10-11 13:43:35,395 INFO L78 Accepts]: Start accepts. Automaton has 1794 states and 2064 transitions. Word has length 190 [2024-10-11 13:43:35,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:35,395 INFO L471 AbstractCegarLoop]: Abstraction has 1794 states and 2064 transitions. [2024-10-11 13:43:35,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 25 states have (on average 6.68) internal successors, (167), 27 states have internal predecessors, (167), 5 states have call successors, (47), 3 states have call predecessors, (47), 5 states have return successors, (47), 3 states have call predecessors, (47), 5 states have call successors, (47) [2024-10-11 13:43:35,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1794 states and 2064 transitions. [2024-10-11 13:43:35,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-11 13:43:35,397 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:35,397 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:35,411 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 13:43:35,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-10-11 13:43:35,601 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:35,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:35,602 INFO L85 PathProgramCache]: Analyzing trace with hash 881062304, now seen corresponding path program 1 times [2024-10-11 13:43:35,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:35,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124121029] [2024-10-11 13:43:35,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:35,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:35,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:35,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:35,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:35,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:35,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:35,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:35,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:35,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:35,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:35,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:35,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:35,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:35,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:35,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:35,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:35,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:35,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:35,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:35,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:35,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:35,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:35,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:35,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:35,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:35,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:35,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:35,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:35,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:35,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:35,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:35,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:35,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:35,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 36 proven. 30 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-11 13:43:35,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:35,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124121029] [2024-10-11 13:43:35,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124121029] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 13:43:35,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440049125] [2024-10-11 13:43:35,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:35,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 13:43:35,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 13:43:35,940 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 13:43:35,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 13:43:36,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:36,208 INFO L255 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-11 13:43:36,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 13:43:36,251 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 [2024-10-11 13:43:36,462 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 [2024-10-11 13:43:36,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 19 proven. 297 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2024-10-11 13:43:36,473 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 13:43:36,768 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 27 treesize of output 23 [2024-10-11 13:43:36,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 9 proven. 57 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-11 13:43:36,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440049125] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 13:43:36,785 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 13:43:36,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 9] total 18 [2024-10-11 13:43:36,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673221318] [2024-10-11 13:43:36,785 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 13:43:36,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-11 13:43:36,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:36,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-11 13:43:36,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2024-10-11 13:43:36,786 INFO L87 Difference]: Start difference. First operand 1794 states and 2064 transitions. Second operand has 18 states, 15 states have (on average 8.466666666666667) internal successors, (127), 17 states have internal predecessors, (127), 8 states have call successors, (69), 3 states have call predecessors, (69), 5 states have return successors, (69), 6 states have call predecessors, (69), 8 states have call successors, (69) [2024-10-11 13:43:37,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:37,844 INFO L93 Difference]: Finished difference Result 2953 states and 3387 transitions. [2024-10-11 13:43:37,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-11 13:43:37,844 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 8.466666666666667) internal successors, (127), 17 states have internal predecessors, (127), 8 states have call successors, (69), 3 states have call predecessors, (69), 5 states have return successors, (69), 6 states have call predecessors, (69), 8 states have call successors, (69) Word has length 190 [2024-10-11 13:43:37,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:37,848 INFO L225 Difference]: With dead ends: 2953 [2024-10-11 13:43:37,848 INFO L226 Difference]: Without dead ends: 1160 [2024-10-11 13:43:37,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 419 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=392, Invalid=1414, Unknown=0, NotChecked=0, Total=1806 [2024-10-11 13:43:37,850 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 630 mSDsluCounter, 887 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 630 SdHoareTripleChecker+Valid, 1033 SdHoareTripleChecker+Invalid, 839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:37,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [630 Valid, 1033 Invalid, 839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 13:43:37,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2024-10-11 13:43:37,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 899. [2024-10-11 13:43:37,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 899 states, 784 states have (on average 1.1084183673469388) internal successors, (869), 789 states have internal predecessors, (869), 80 states have call successors, (80), 34 states have call predecessors, (80), 34 states have return successors, (80), 75 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-11 13:43:37,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1029 transitions. [2024-10-11 13:43:37,966 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1029 transitions. Word has length 190 [2024-10-11 13:43:37,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:37,967 INFO L471 AbstractCegarLoop]: Abstraction has 899 states and 1029 transitions. [2024-10-11 13:43:37,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 8.466666666666667) internal successors, (127), 17 states have internal predecessors, (127), 8 states have call successors, (69), 3 states have call predecessors, (69), 5 states have return successors, (69), 6 states have call predecessors, (69), 8 states have call successors, (69) [2024-10-11 13:43:37,967 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1029 transitions. [2024-10-11 13:43:37,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-10-11 13:43:37,968 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:37,968 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:37,982 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-11 13:43:38,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-10-11 13:43:38,173 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:38,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:38,173 INFO L85 PathProgramCache]: Analyzing trace with hash -311427792, now seen corresponding path program 1 times [2024-10-11 13:43:38,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:38,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121978099] [2024-10-11 13:43:38,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:38,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:38,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:38,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:38,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:38,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:38,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:38,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:38,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:38,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:38,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:38,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:38,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:38,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:38,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:38,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:38,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:38,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:38,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:38,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:38,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:38,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:38,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:38,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:38,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:38,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:38,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:38,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:38,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:38,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:38,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:38,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:38,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:38,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:38,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:38,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:38,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:38,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:38,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:38,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121978099] [2024-10-11 13:43:38,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121978099] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:38,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:38,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 13:43:38,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593462602] [2024-10-11 13:43:38,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:38,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 13:43:38,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:38,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 13:43:38,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 13:43:38,342 INFO L87 Difference]: Start difference. First operand 899 states and 1029 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:38,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:38,506 INFO L93 Difference]: Finished difference Result 1799 states and 2058 transitions. [2024-10-11 13:43:38,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 13:43:38,506 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 194 [2024-10-11 13:43:38,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:38,509 INFO L225 Difference]: With dead ends: 1799 [2024-10-11 13:43:38,509 INFO L226 Difference]: Without dead ends: 901 [2024-10-11 13:43:38,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 13:43:38,511 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 158 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:38,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 481 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 13:43:38,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2024-10-11 13:43:38,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 899. [2024-10-11 13:43:38,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 899 states, 784 states have (on average 1.1058673469387754) internal successors, (867), 789 states have internal predecessors, (867), 80 states have call successors, (80), 34 states have call predecessors, (80), 34 states have return successors, (80), 75 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-11 13:43:38,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1027 transitions. [2024-10-11 13:43:38,703 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1027 transitions. Word has length 194 [2024-10-11 13:43:38,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:38,703 INFO L471 AbstractCegarLoop]: Abstraction has 899 states and 1027 transitions. [2024-10-11 13:43:38,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:38,704 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1027 transitions. [2024-10-11 13:43:38,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-10-11 13:43:38,705 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:38,705 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:38,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-10-11 13:43:38,705 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:38,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:38,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1340787090, now seen corresponding path program 1 times [2024-10-11 13:43:38,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:38,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238972116] [2024-10-11 13:43:38,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:38,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:39,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:39,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:39,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:39,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:39,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:39,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:39,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:39,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:39,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:39,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238972116] [2024-10-11 13:43:39,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238972116] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:39,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:39,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 13:43:39,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793663388] [2024-10-11 13:43:39,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:39,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 13:43:39,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:39,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 13:43:39,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 13:43:39,044 INFO L87 Difference]: Start difference. First operand 899 states and 1027 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:39,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:39,356 INFO L93 Difference]: Finished difference Result 2065 states and 2374 transitions. [2024-10-11 13:43:39,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 13:43:39,357 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 194 [2024-10-11 13:43:39,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:39,360 INFO L225 Difference]: With dead ends: 2065 [2024-10-11 13:43:39,360 INFO L226 Difference]: Without dead ends: 1167 [2024-10-11 13:43:39,362 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-10-11 13:43:39,362 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 341 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 729 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:39,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 729 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 13:43:39,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1167 states. [2024-10-11 13:43:39,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1167 to 959. [2024-10-11 13:43:39,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 959 states, 820 states have (on average 1.101219512195122) internal successors, (903), 826 states have internal predecessors, (903), 96 states have call successors, (96), 42 states have call predecessors, (96), 42 states have return successors, (96), 90 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-11 13:43:39,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1095 transitions. [2024-10-11 13:43:39,498 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1095 transitions. Word has length 194 [2024-10-11 13:43:39,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:39,498 INFO L471 AbstractCegarLoop]: Abstraction has 959 states and 1095 transitions. [2024-10-11 13:43:39,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:39,498 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1095 transitions. [2024-10-11 13:43:39,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-10-11 13:43:39,499 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:39,499 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:39,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-10-11 13:43:39,500 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:39,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:39,500 INFO L85 PathProgramCache]: Analyzing trace with hash -573653332, now seen corresponding path program 1 times [2024-10-11 13:43:39,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:39,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947973767] [2024-10-11 13:43:39,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:39,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:39,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:39,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:39,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:39,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:39,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:39,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:39,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:39,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:39,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:39,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:39,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:39,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:39,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:39,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947973767] [2024-10-11 13:43:39,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947973767] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:39,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:39,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 13:43:39,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658720954] [2024-10-11 13:43:39,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:39,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 13:43:39,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:39,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 13:43:39,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-10-11 13:43:39,901 INFO L87 Difference]: Start difference. First operand 959 states and 1095 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 9 states have internal predecessors, (82), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:40,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:40,215 INFO L93 Difference]: Finished difference Result 1158 states and 1323 transitions. [2024-10-11 13:43:40,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 13:43:40,216 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 9 states have internal predecessors, (82), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 194 [2024-10-11 13:43:40,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:40,219 INFO L225 Difference]: With dead ends: 1158 [2024-10-11 13:43:40,219 INFO L226 Difference]: Without dead ends: 1156 [2024-10-11 13:43:40,220 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-10-11 13:43:40,221 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 205 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 837 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:40,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 837 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 13:43:40,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1156 states. [2024-10-11 13:43:40,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1156 to 933. [2024-10-11 13:43:40,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 933 states, 794 states have (on average 1.102015113350126) internal successors, (875), 800 states have internal predecessors, (875), 96 states have call successors, (96), 42 states have call predecessors, (96), 42 states have return successors, (96), 90 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-11 13:43:40,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1067 transitions. [2024-10-11 13:43:40,357 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1067 transitions. Word has length 194 [2024-10-11 13:43:40,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:40,358 INFO L471 AbstractCegarLoop]: Abstraction has 933 states and 1067 transitions. [2024-10-11 13:43:40,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 9 states have internal predecessors, (82), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:40,358 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1067 transitions. [2024-10-11 13:43:40,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-10-11 13:43:40,359 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:40,360 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:40,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-10-11 13:43:40,360 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:40,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:40,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1194425848, now seen corresponding path program 1 times [2024-10-11 13:43:40,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:40,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130156458] [2024-10-11 13:43:40,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:40,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:40,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:40,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:40,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:40,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:40,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:40,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:40,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:40,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:40,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:40,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:40,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:40,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:40,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:40,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:40,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:40,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:40,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:40,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:40,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:40,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:40,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:40,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:40,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:40,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:40,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:40,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:40,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:40,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:40,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:40,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:40,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 15 proven. 51 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-11 13:43:40,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:40,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130156458] [2024-10-11 13:43:40,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130156458] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 13:43:40,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106144781] [2024-10-11 13:43:40,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:40,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 13:43:40,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 13:43:40,632 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 13:43:40,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 13:43:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:40,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-11 13:43:40,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 13:43:40,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 72 treesize of output 59 [2024-10-11 13:43:40,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 18 treesize of output 17 [2024-10-11 13:43:40,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 16 treesize of output 15 [2024-10-11 13:43:41,235 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 65 treesize of output 53 [2024-10-11 13:43:41,266 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 57 treesize of output 37 [2024-10-11 13:43:41,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:41,351 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 13:43:41,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [106144781] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:41,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 13:43:41,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2024-10-11 13:43:41,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416083135] [2024-10-11 13:43:41,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:41,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 13:43:41,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:41,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 13:43:41,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=210, Unknown=0, NotChecked=0, Total=240 [2024-10-11 13:43:41,352 INFO L87 Difference]: Start difference. First operand 933 states and 1067 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 9 states have internal predecessors, (83), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:41,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:41,856 INFO L93 Difference]: Finished difference Result 2283 states and 2611 transitions. [2024-10-11 13:43:41,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 13:43:41,856 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 9 states have internal predecessors, (83), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 195 [2024-10-11 13:43:41,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:41,860 INFO L225 Difference]: With dead ends: 2283 [2024-10-11 13:43:41,860 INFO L226 Difference]: Without dead ends: 1351 [2024-10-11 13:43:41,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2024-10-11 13:43:41,861 INFO L432 NwaCegarLoop]: 255 mSDtfsCounter, 92 mSDsluCounter, 1575 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 1830 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:41,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 1830 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 13:43:41,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1351 states. [2024-10-11 13:43:42,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1351 to 1348. [2024-10-11 13:43:42,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1348 states, 1163 states have (on average 1.1049011177987962) internal successors, (1285), 1172 states have internal predecessors, (1285), 126 states have call successors, (126), 58 states have call predecessors, (126), 58 states have return successors, (126), 117 states have call predecessors, (126), 126 states have call successors, (126) [2024-10-11 13:43:42,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 1348 states and 1537 transitions. [2024-10-11 13:43:42,058 INFO L78 Accepts]: Start accepts. Automaton has 1348 states and 1537 transitions. Word has length 195 [2024-10-11 13:43:42,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:42,058 INFO L471 AbstractCegarLoop]: Abstraction has 1348 states and 1537 transitions. [2024-10-11 13:43:42,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 9 states have internal predecessors, (83), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:42,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 1537 transitions. [2024-10-11 13:43:42,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-10-11 13:43:42,059 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:42,060 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:42,074 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-11 13:43:42,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 13:43:42,261 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:42,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:42,261 INFO L85 PathProgramCache]: Analyzing trace with hash 385079222, now seen corresponding path program 1 times [2024-10-11 13:43:42,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:42,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473017676] [2024-10-11 13:43:42,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:42,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:42,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:42,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:42,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:42,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:42,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:42,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:42,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:42,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:42,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:42,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:42,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:42,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:42,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:42,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:42,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:42,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:42,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:42,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:42,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:42,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:42,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:42,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:42,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:42,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:42,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:42,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:42,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:42,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:42,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:42,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:42,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:42,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:42,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:42,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:42,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:42,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:42,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473017676] [2024-10-11 13:43:42,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473017676] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:42,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:42,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 13:43:42,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228827071] [2024-10-11 13:43:42,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:42,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 13:43:42,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:42,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 13:43:42,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 13:43:42,378 INFO L87 Difference]: Start difference. First operand 1348 states and 1537 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:42,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:42,722 INFO L93 Difference]: Finished difference Result 2746 states and 3123 transitions. [2024-10-11 13:43:42,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 13:43:42,723 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 195 [2024-10-11 13:43:42,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:42,726 INFO L225 Difference]: With dead ends: 2746 [2024-10-11 13:43:42,727 INFO L226 Difference]: Without dead ends: 1399 [2024-10-11 13:43:42,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 13:43:42,728 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 84 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:42,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 749 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 13:43:42,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1399 states. [2024-10-11 13:43:42,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1399 to 1324. [2024-10-11 13:43:42,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1324 states, 1139 states have (on average 1.09657594381036) internal successors, (1249), 1148 states have internal predecessors, (1249), 126 states have call successors, (126), 58 states have call predecessors, (126), 58 states have return successors, (126), 117 states have call predecessors, (126), 126 states have call successors, (126) [2024-10-11 13:43:42,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 1324 states and 1501 transitions. [2024-10-11 13:43:42,924 INFO L78 Accepts]: Start accepts. Automaton has 1324 states and 1501 transitions. Word has length 195 [2024-10-11 13:43:42,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:42,924 INFO L471 AbstractCegarLoop]: Abstraction has 1324 states and 1501 transitions. [2024-10-11 13:43:42,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:42,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1324 states and 1501 transitions. [2024-10-11 13:43:42,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-10-11 13:43:42,926 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:42,926 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:42,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-10-11 13:43:42,926 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:42,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:42,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1618072570, now seen corresponding path program 1 times [2024-10-11 13:43:42,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:42,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931637961] [2024-10-11 13:43:42,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:42,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:42,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:43,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:43,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:43,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:43,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:43,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:43,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:43,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:43,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:43,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:43,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:43,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:43,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:43,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:43,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:43,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:43,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931637961] [2024-10-11 13:43:43,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931637961] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:43,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:43,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 13:43:43,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16215852] [2024-10-11 13:43:43,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:43,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 13:43:43,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:43,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 13:43:43,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 13:43:43,035 INFO L87 Difference]: Start difference. First operand 1324 states and 1501 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:43,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:43,308 INFO L93 Difference]: Finished difference Result 2654 states and 3006 transitions. [2024-10-11 13:43:43,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 13:43:43,308 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 195 [2024-10-11 13:43:43,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:43,311 INFO L225 Difference]: With dead ends: 2654 [2024-10-11 13:43:43,311 INFO L226 Difference]: Without dead ends: 1331 [2024-10-11 13:43:43,313 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 13:43:43,313 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 85 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 904 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:43,313 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 904 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 13:43:43,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2024-10-11 13:43:43,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 1141. [2024-10-11 13:43:43,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1141 states, 1013 states have (on average 1.0908193484698914) internal successors, (1105), 1019 states have internal predecessors, (1105), 87 states have call successors, (87), 40 states have call predecessors, (87), 40 states have return successors, (87), 81 states have call predecessors, (87), 87 states have call successors, (87) [2024-10-11 13:43:43,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 1279 transitions. [2024-10-11 13:43:43,456 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 1279 transitions. Word has length 195 [2024-10-11 13:43:43,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:43,456 INFO L471 AbstractCegarLoop]: Abstraction has 1141 states and 1279 transitions. [2024-10-11 13:43:43,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:43,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1279 transitions. [2024-10-11 13:43:43,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-10-11 13:43:43,457 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:43,457 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:43,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-10-11 13:43:43,458 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:43,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:43,458 INFO L85 PathProgramCache]: Analyzing trace with hash 808725944, now seen corresponding path program 1 times [2024-10-11 13:43:43,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:43,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555234680] [2024-10-11 13:43:43,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:43,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:43,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:43,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:43,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:43,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:43,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:43,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:43,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:43,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:43,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:43,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 15 proven. 51 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-11 13:43:43,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:43,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555234680] [2024-10-11 13:43:43,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555234680] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 13:43:43,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446794102] [2024-10-11 13:43:43,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:43,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 13:43:43,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 13:43:43,740 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 13:43:43,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-11 13:43:44,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:44,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-11 13:43:44,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 13:43:44,030 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 11 treesize of output 7 [2024-10-11 13:43:44,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-11 13:43:44,114 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 13:43:44,189 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 45 treesize of output 41 [2024-10-11 13:43:44,198 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-11 13:43:44,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 57 [2024-10-11 13:43:44,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 33 treesize of output 20 [2024-10-11 13:43:44,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 10 [2024-10-11 13:43:44,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:44,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446794102] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-11 13:43:44,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-10-11 13:43:44,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 11] total 19 [2024-10-11 13:43:44,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085169688] [2024-10-11 13:43:44,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:44,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 13:43:44,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:44,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 13:43:44,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2024-10-11 13:43:44,291 INFO L87 Difference]: Start difference. First operand 1141 states and 1279 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 9 states have internal predecessors, (83), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:44,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:44,639 INFO L93 Difference]: Finished difference Result 2509 states and 2825 transitions. [2024-10-11 13:43:44,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 13:43:44,639 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 9 states have internal predecessors, (83), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 195 [2024-10-11 13:43:44,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:44,642 INFO L225 Difference]: With dead ends: 2509 [2024-10-11 13:43:44,642 INFO L226 Difference]: Without dead ends: 1369 [2024-10-11 13:43:44,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 447 GetRequests, 424 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2024-10-11 13:43:44,644 INFO L432 NwaCegarLoop]: 304 mSDtfsCounter, 128 mSDsluCounter, 1938 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 2242 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:44,645 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 2242 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 13:43:44,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1369 states. [2024-10-11 13:43:44,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1369 to 1117. [2024-10-11 13:43:44,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1117 states, 989 states have (on average 1.0869565217391304) internal successors, (1075), 995 states have internal predecessors, (1075), 87 states have call successors, (87), 40 states have call predecessors, (87), 40 states have return successors, (87), 81 states have call predecessors, (87), 87 states have call successors, (87) [2024-10-11 13:43:44,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 1117 states and 1249 transitions. [2024-10-11 13:43:44,785 INFO L78 Accepts]: Start accepts. Automaton has 1117 states and 1249 transitions. Word has length 195 [2024-10-11 13:43:44,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:44,785 INFO L471 AbstractCegarLoop]: Abstraction has 1117 states and 1249 transitions. [2024-10-11 13:43:44,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 9 states have internal predecessors, (83), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:44,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1249 transitions. [2024-10-11 13:43:44,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-10-11 13:43:44,786 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:44,786 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:44,800 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-11 13:43:44,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2024-10-11 13:43:44,990 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:44,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:44,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1387508385, now seen corresponding path program 1 times [2024-10-11 13:43:44,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:44,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940294579] [2024-10-11 13:43:44,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:44,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:45,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:45,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:45,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:45,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:45,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:45,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:45,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:45,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:45,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:45,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:45,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:45,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:45,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:45,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:45,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940294579] [2024-10-11 13:43:45,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940294579] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:45,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:45,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 13:43:45,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393236344] [2024-10-11 13:43:45,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:45,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 13:43:45,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:45,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 13:43:45,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 13:43:45,166 INFO L87 Difference]: Start difference. First operand 1117 states and 1249 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:45,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:45,348 INFO L93 Difference]: Finished difference Result 2235 states and 2498 transitions. [2024-10-11 13:43:45,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 13:43:45,348 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 195 [2024-10-11 13:43:45,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:45,351 INFO L225 Difference]: With dead ends: 2235 [2024-10-11 13:43:45,351 INFO L226 Difference]: Without dead ends: 1119 [2024-10-11 13:43:45,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 13:43:45,353 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 48 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:45,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 627 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 13:43:45,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2024-10-11 13:43:45,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 1117. [2024-10-11 13:43:45,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1117 states, 989 states have (on average 1.083923154701719) internal successors, (1072), 995 states have internal predecessors, (1072), 87 states have call successors, (87), 40 states have call predecessors, (87), 40 states have return successors, (87), 81 states have call predecessors, (87), 87 states have call successors, (87) [2024-10-11 13:43:45,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 1117 states and 1246 transitions. [2024-10-11 13:43:45,492 INFO L78 Accepts]: Start accepts. Automaton has 1117 states and 1246 transitions. Word has length 195 [2024-10-11 13:43:45,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:45,493 INFO L471 AbstractCegarLoop]: Abstraction has 1117 states and 1246 transitions. [2024-10-11 13:43:45,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:45,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1246 transitions. [2024-10-11 13:43:45,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-10-11 13:43:45,494 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:45,494 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:45,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2024-10-11 13:43:45,494 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:45,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:45,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1444766687, now seen corresponding path program 1 times [2024-10-11 13:43:45,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:45,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830527289] [2024-10-11 13:43:45,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:45,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:45,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:45,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:45,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:45,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:45,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:45,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:45,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:45,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:45,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:45,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:45,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 30 proven. 36 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-11 13:43:45,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:45,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830527289] [2024-10-11 13:43:45,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830527289] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 13:43:45,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110713560] [2024-10-11 13:43:45,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:45,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 13:43:45,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 13:43:45,802 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 13:43:45,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-11 13:43:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:46,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-11 13:43:46,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 13:43:46,148 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 [2024-10-11 13:43:46,397 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 17 treesize of output 9 [2024-10-11 13:43:46,410 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 17 proven. 411 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2024-10-11 13:43:46,411 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 13:43:46,697 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 27 treesize of output 23 [2024-10-11 13:43:46,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 15 proven. 51 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-11 13:43:46,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110713560] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 13:43:46,725 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 13:43:46,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 9] total 17 [2024-10-11 13:43:46,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782136983] [2024-10-11 13:43:46,726 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 13:43:46,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-11 13:43:46,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:46,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-11 13:43:46,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2024-10-11 13:43:46,727 INFO L87 Difference]: Start difference. First operand 1117 states and 1246 transitions. Second operand has 17 states, 14 states have (on average 12.285714285714286) internal successors, (172), 16 states have internal predecessors, (172), 8 states have call successors, (69), 3 states have call predecessors, (69), 5 states have return successors, (69), 6 states have call predecessors, (69), 8 states have call successors, (69) [2024-10-11 13:43:47,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:47,621 INFO L93 Difference]: Finished difference Result 1855 states and 2060 transitions. [2024-10-11 13:43:47,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-11 13:43:47,621 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 12.285714285714286) internal successors, (172), 16 states have internal predecessors, (172), 8 states have call successors, (69), 3 states have call predecessors, (69), 5 states have return successors, (69), 6 states have call predecessors, (69), 8 states have call successors, (69) Word has length 195 [2024-10-11 13:43:47,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:47,624 INFO L225 Difference]: With dead ends: 1855 [2024-10-11 13:43:47,624 INFO L226 Difference]: Without dead ends: 738 [2024-10-11 13:43:47,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 469 GetRequests, 428 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=374, Invalid=1266, Unknown=0, NotChecked=0, Total=1640 [2024-10-11 13:43:47,625 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 416 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 816 SdHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:47,626 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 816 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 13:43:47,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2024-10-11 13:43:47,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 535. [2024-10-11 13:43:47,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 499 states have (on average 1.0861723446893787) internal successors, (542), 499 states have internal predecessors, (542), 23 states have call successors, (23), 12 states have call predecessors, (23), 12 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 13:43:47,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 588 transitions. [2024-10-11 13:43:47,682 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 588 transitions. Word has length 195 [2024-10-11 13:43:47,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:47,682 INFO L471 AbstractCegarLoop]: Abstraction has 535 states and 588 transitions. [2024-10-11 13:43:47,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 12.285714285714286) internal successors, (172), 16 states have internal predecessors, (172), 8 states have call successors, (69), 3 states have call predecessors, (69), 5 states have return successors, (69), 6 states have call predecessors, (69), 8 states have call successors, (69) [2024-10-11 13:43:47,682 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 588 transitions. [2024-10-11 13:43:47,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-10-11 13:43:47,683 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:47,683 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:47,698 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-11 13:43:47,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 13:43:47,888 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:47,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:47,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1159476896, now seen corresponding path program 1 times [2024-10-11 13:43:47,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:47,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445131624] [2024-10-11 13:43:47,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:47,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:48,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:48,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:48,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:48,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:48,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:48,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:48,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:48,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:48,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:48,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:48,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:48,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:48,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:48,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:48,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:48,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:48,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:48,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:48,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:48,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:48,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:48,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:48,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:48,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:48,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:48,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:48,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 15 proven. 51 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-11 13:43:48,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:48,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445131624] [2024-10-11 13:43:48,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445131624] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 13:43:48,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027412584] [2024-10-11 13:43:48,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:48,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 13:43:48,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 13:43:48,171 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 13:43:48,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-11 13:43:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:48,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-10-11 13:43:48,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 13:43:48,538 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 [2024-10-11 13:43:48,775 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 31 treesize of output 19 [2024-10-11 13:43:48,778 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 13 treesize of output 9 [2024-10-11 13:43:48,937 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 40 treesize of output 28 [2024-10-11 13:43:48,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 17 proven. 423 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2024-10-11 13:43:48,964 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 13:43:49,397 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 27 [2024-10-11 13:43:49,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 15 proven. 51 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-11 13:43:49,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027412584] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 13:43:49,427 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 13:43:49,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 15, 14] total 26 [2024-10-11 13:43:49,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639259295] [2024-10-11 13:43:49,428 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 13:43:49,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-11 13:43:49,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:49,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-11 13:43:49,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=561, Unknown=0, NotChecked=0, Total=650 [2024-10-11 13:43:49,429 INFO L87 Difference]: Start difference. First operand 535 states and 588 transitions. Second operand has 26 states, 24 states have (on average 9.083333333333334) internal successors, (218), 26 states have internal predecessors, (218), 6 states have call successors, (47), 3 states have call predecessors, (47), 6 states have return successors, (47), 4 states have call predecessors, (47), 6 states have call successors, (47) [2024-10-11 13:43:50,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:50,315 INFO L93 Difference]: Finished difference Result 1172 states and 1291 transitions. [2024-10-11 13:43:50,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-11 13:43:50,316 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 9.083333333333334) internal successors, (218), 26 states have internal predecessors, (218), 6 states have call successors, (47), 3 states have call predecessors, (47), 6 states have return successors, (47), 4 states have call predecessors, (47), 6 states have call successors, (47) Word has length 199 [2024-10-11 13:43:50,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:50,319 INFO L225 Difference]: With dead ends: 1172 [2024-10-11 13:43:50,319 INFO L226 Difference]: Without dead ends: 638 [2024-10-11 13:43:50,324 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 426 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=411, Invalid=1659, Unknown=0, NotChecked=0, Total=2070 [2024-10-11 13:43:50,325 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 924 mSDsluCounter, 1337 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 924 SdHoareTripleChecker+Valid, 1458 SdHoareTripleChecker+Invalid, 1007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:50,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [924 Valid, 1458 Invalid, 1007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 13:43:50,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2024-10-11 13:43:50,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 425. [2024-10-11 13:43:50,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 389 states have (on average 1.1053984575835476) internal successors, (430), 389 states have internal predecessors, (430), 23 states have call successors, (23), 12 states have call predecessors, (23), 12 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 13:43:50,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 476 transitions. [2024-10-11 13:43:50,421 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 476 transitions. Word has length 199 [2024-10-11 13:43:50,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:50,421 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 476 transitions. [2024-10-11 13:43:50,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 9.083333333333334) internal successors, (218), 26 states have internal predecessors, (218), 6 states have call successors, (47), 3 states have call predecessors, (47), 6 states have return successors, (47), 4 states have call predecessors, (47), 6 states have call successors, (47) [2024-10-11 13:43:50,422 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 476 transitions. [2024-10-11 13:43:50,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-10-11 13:43:50,422 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:50,423 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:50,443 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-11 13:43:50,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2024-10-11 13:43:50,627 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:50,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:50,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1617174721, now seen corresponding path program 1 times [2024-10-11 13:43:50,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:50,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565296569] [2024-10-11 13:43:50,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:50,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:50,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:50,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:50,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:50,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:50,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:50,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:50,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:50,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:50,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:50,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:50,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:50,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:50,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:50,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:50,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:50,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:50,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:50,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:50,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:50,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:50,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:50,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:50,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:50,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:50,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:50,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:50,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:50,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:50,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:50,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:50,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:50,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:50,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:50,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:50,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:50,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 21 proven. 45 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-11 13:43:50,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:50,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565296569] [2024-10-11 13:43:50,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565296569] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 13:43:50,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981874398] [2024-10-11 13:43:50,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:50,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 13:43:50,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 13:43:51,002 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 13:43:51,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-11 13:43:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:51,319 INFO L255 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-11 13:43:51,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 13:43:51,408 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 [2024-10-11 13:43:51,587 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 41 treesize of output 25 [2024-10-11 13:43:51,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 15 proven. 493 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2024-10-11 13:43:51,613 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 13:43:51,890 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 27 [2024-10-11 13:43:51,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 21 proven. 45 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-11 13:43:51,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981874398] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 13:43:51,941 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 13:43:51,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 11] total 18 [2024-10-11 13:43:51,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244648223] [2024-10-11 13:43:51,942 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 13:43:51,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-11 13:43:51,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:51,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-11 13:43:51,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2024-10-11 13:43:51,943 INFO L87 Difference]: Start difference. First operand 425 states and 476 transitions. Second operand has 18 states, 16 states have (on average 8.5) internal successors, (136), 18 states have internal predecessors, (136), 6 states have call successors, (47), 3 states have call predecessors, (47), 5 states have return successors, (47), 4 states have call predecessors, (47), 6 states have call successors, (47) [2024-10-11 13:43:52,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:52,468 INFO L93 Difference]: Finished difference Result 736 states and 821 transitions. [2024-10-11 13:43:52,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-11 13:43:52,469 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 8.5) internal successors, (136), 18 states have internal predecessors, (136), 6 states have call successors, (47), 3 states have call predecessors, (47), 5 states have return successors, (47), 4 states have call predecessors, (47), 6 states have call successors, (47) Word has length 199 [2024-10-11 13:43:52,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:52,471 INFO L225 Difference]: With dead ends: 736 [2024-10-11 13:43:52,471 INFO L226 Difference]: Without dead ends: 312 [2024-10-11 13:43:52,471 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 467 GetRequests, 434 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=206, Invalid=850, Unknown=0, NotChecked=0, Total=1056 [2024-10-11 13:43:52,473 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 354 mSDsluCounter, 941 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 1055 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:52,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 1055 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 13:43:52,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2024-10-11 13:43:52,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 300. [2024-10-11 13:43:52,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 264 states have (on average 1.0871212121212122) internal successors, (287), 264 states have internal predecessors, (287), 23 states have call successors, (23), 12 states have call predecessors, (23), 12 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 13:43:52,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 333 transitions. [2024-10-11 13:43:52,534 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 333 transitions. Word has length 199 [2024-10-11 13:43:52,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:52,534 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 333 transitions. [2024-10-11 13:43:52,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 8.5) internal successors, (136), 18 states have internal predecessors, (136), 6 states have call successors, (47), 3 states have call predecessors, (47), 5 states have return successors, (47), 4 states have call predecessors, (47), 6 states have call successors, (47) [2024-10-11 13:43:52,534 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 333 transitions. [2024-10-11 13:43:52,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-10-11 13:43:52,535 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:52,535 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:52,555 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-11 13:43:52,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2024-10-11 13:43:52,736 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:52,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:52,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1350076417, now seen corresponding path program 1 times [2024-10-11 13:43:52,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:52,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170953986] [2024-10-11 13:43:52,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:52,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:53,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:53,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:53,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:53,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:53,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:53,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:53,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:53,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:53,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:53,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:53,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:53,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:53,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:53,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:53,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:53,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:53,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:53,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:53,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:53,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:53,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:53,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:53,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:53,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:53,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:53,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:53,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:53,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 27 proven. 39 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-11 13:43:53,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:53,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170953986] [2024-10-11 13:43:53,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170953986] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 13:43:53,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612970479] [2024-10-11 13:43:53,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:53,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 13:43:53,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 13:43:53,306 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 13:43:53,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-11 13:43:53,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:53,606 INFO L255 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-10-11 13:43:53,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 13:43:53,719 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 [2024-10-11 13:43:53,899 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 11 treesize of output 7 [2024-10-11 13:43:54,012 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 13 proven. 543 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2024-10-11 13:43:54,012 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 13:43:54,243 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 27 treesize of output 23 [2024-10-11 13:43:54,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 27 proven. 39 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-11 13:43:54,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [612970479] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 13:43:54,293 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 13:43:54,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 11] total 23 [2024-10-11 13:43:54,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618546374] [2024-10-11 13:43:54,294 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 13:43:54,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-11 13:43:54,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:54,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-11 13:43:54,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=417, Unknown=0, NotChecked=0, Total=506 [2024-10-11 13:43:54,295 INFO L87 Difference]: Start difference. First operand 300 states and 333 transitions. Second operand has 23 states, 20 states have (on average 8.05) internal successors, (161), 23 states have internal predecessors, (161), 9 states have call successors, (69), 3 states have call predecessors, (69), 5 states have return successors, (69), 6 states have call predecessors, (69), 9 states have call successors, (69) [2024-10-11 13:43:54,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:54,782 INFO L93 Difference]: Finished difference Result 605 states and 671 transitions. [2024-10-11 13:43:54,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 13:43:54,782 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 20 states have (on average 8.05) internal successors, (161), 23 states have internal predecessors, (161), 9 states have call successors, (69), 3 states have call predecessors, (69), 5 states have return successors, (69), 6 states have call predecessors, (69), 9 states have call successors, (69) Word has length 199 [2024-10-11 13:43:54,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:54,784 INFO L225 Difference]: With dead ends: 605 [2024-10-11 13:43:54,784 INFO L226 Difference]: Without dead ends: 306 [2024-10-11 13:43:54,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 432 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=277, Invalid=913, Unknown=0, NotChecked=0, Total=1190 [2024-10-11 13:43:54,785 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 502 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 791 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:54,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [502 Valid, 791 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 13:43:54,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-10-11 13:43:54,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 294. [2024-10-11 13:43:54,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 258 states have (on average 1.0813953488372092) internal successors, (279), 258 states have internal predecessors, (279), 23 states have call successors, (23), 12 states have call predecessors, (23), 12 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 13:43:54,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 325 transitions. [2024-10-11 13:43:54,843 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 325 transitions. Word has length 199 [2024-10-11 13:43:54,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:54,843 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 325 transitions. [2024-10-11 13:43:54,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 20 states have (on average 8.05) internal successors, (161), 23 states have internal predecessors, (161), 9 states have call successors, (69), 3 states have call predecessors, (69), 5 states have return successors, (69), 6 states have call predecessors, (69), 9 states have call successors, (69) [2024-10-11 13:43:54,843 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 325 transitions. [2024-10-11 13:43:54,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-10-11 13:43:54,844 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:54,844 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:54,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-11 13:43:55,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,13 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 13:43:55,048 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:55,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:55,049 INFO L85 PathProgramCache]: Analyzing trace with hash -889657535, now seen corresponding path program 1 times [2024-10-11 13:43:55,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:55,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766989321] [2024-10-11 13:43:55,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:55,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:55,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:55,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:55,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:55,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:55,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:55,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:55,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:55,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:55,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:55,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:55,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:55,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:55,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:55,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:55,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:55,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:55,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:55,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:55,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:55,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:55,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:55,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:55,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:55,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:55,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:55,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:55,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:55,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766989321] [2024-10-11 13:43:55,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766989321] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:55,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:55,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 13:43:55,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011692681] [2024-10-11 13:43:55,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:55,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 13:43:55,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:55,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 13:43:55,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-11 13:43:55,538 INFO L87 Difference]: Start difference. First operand 294 states and 325 transitions. Second operand has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 11 states have internal predecessors, (87), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:55,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:55,936 INFO L93 Difference]: Finished difference Result 406 states and 452 transitions. [2024-10-11 13:43:55,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 13:43:55,937 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 11 states have internal predecessors, (87), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 199 [2024-10-11 13:43:55,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:55,939 INFO L225 Difference]: With dead ends: 406 [2024-10-11 13:43:55,939 INFO L226 Difference]: Without dead ends: 404 [2024-10-11 13:43:55,939 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2024-10-11 13:43:55,940 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 140 mSDsluCounter, 1125 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 1279 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:55,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 1279 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 13:43:55,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-10-11 13:43:55,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 347. [2024-10-11 13:43:55,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 311 states have (on average 1.0771704180064308) internal successors, (335), 311 states have internal predecessors, (335), 23 states have call successors, (23), 12 states have call predecessors, (23), 12 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 13:43:55,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 381 transitions. [2024-10-11 13:43:56,001 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 381 transitions. Word has length 199 [2024-10-11 13:43:56,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:56,002 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 381 transitions. [2024-10-11 13:43:56,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 11 states have internal predecessors, (87), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:56,002 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 381 transitions. [2024-10-11 13:43:56,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-10-11 13:43:56,002 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:56,003 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:56,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2024-10-11 13:43:56,003 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:56,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:56,003 INFO L85 PathProgramCache]: Analyzing trace with hash -345323362, now seen corresponding path program 1 times [2024-10-11 13:43:56,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:56,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584826797] [2024-10-11 13:43:56,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:56,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:56,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:56,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:56,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:56,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:56,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:56,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:56,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:56,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:56,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:56,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:56,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:56,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:56,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:56,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:56,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:56,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:56,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:56,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:56,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:56,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:56,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:56,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:56,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:56,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:56,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:56,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:56,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:56,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:56,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 27 proven. 39 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-11 13:43:56,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:56,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584826797] [2024-10-11 13:43:56,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584826797] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 13:43:56,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361924311] [2024-10-11 13:43:56,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:56,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 13:43:56,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 13:43:56,540 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 13:43:56,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-11 13:43:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:56,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-11 13:43:56,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 13:43:56,966 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 [2024-10-11 13:43:57,125 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 11 [2024-10-11 13:43:57,155 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 19 treesize of output 11 [2024-10-11 13:43:57,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 13 proven. 543 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2024-10-11 13:43:57,180 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 13:43:57,473 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 27 [2024-10-11 13:43:57,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 27 proven. 39 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-11 13:43:57,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1361924311] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 13:43:57,545 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 13:43:57,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 10] total 20 [2024-10-11 13:43:57,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612022386] [2024-10-11 13:43:57,545 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 13:43:57,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-11 13:43:57,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:57,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-11 13:43:57,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2024-10-11 13:43:57,546 INFO L87 Difference]: Start difference. First operand 347 states and 381 transitions. Second operand has 20 states, 17 states have (on average 8.647058823529411) internal successors, (147), 20 states have internal predecessors, (147), 9 states have call successors, (69), 3 states have call predecessors, (69), 5 states have return successors, (69), 6 states have call predecessors, (69), 9 states have call successors, (69) [2024-10-11 13:43:58,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:58,589 INFO L93 Difference]: Finished difference Result 831 states and 914 transitions. [2024-10-11 13:43:58,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-11 13:43:58,589 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 8.647058823529411) internal successors, (147), 20 states have internal predecessors, (147), 9 states have call successors, (69), 3 states have call predecessors, (69), 5 states have return successors, (69), 6 states have call predecessors, (69), 9 states have call successors, (69) Word has length 199 [2024-10-11 13:43:58,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:58,592 INFO L225 Difference]: With dead ends: 831 [2024-10-11 13:43:58,592 INFO L226 Difference]: Without dead ends: 485 [2024-10-11 13:43:58,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 436 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 347 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=470, Invalid=1510, Unknown=0, NotChecked=0, Total=1980 [2024-10-11 13:43:58,593 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 586 mSDsluCounter, 1494 mSDsCounter, 0 mSdLazyCounter, 935 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 587 SdHoareTripleChecker+Valid, 1709 SdHoareTripleChecker+Invalid, 1140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:58,593 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [587 Valid, 1709 Invalid, 1140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 935 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 13:43:58,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2024-10-11 13:43:58,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 272. [2024-10-11 13:43:58,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 236 states have (on average 1.0720338983050848) internal successors, (253), 236 states have internal predecessors, (253), 23 states have call successors, (23), 12 states have call predecessors, (23), 12 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 13:43:58,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 299 transitions. [2024-10-11 13:43:58,658 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 299 transitions. Word has length 199 [2024-10-11 13:43:58,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:58,658 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 299 transitions. [2024-10-11 13:43:58,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 8.647058823529411) internal successors, (147), 20 states have internal predecessors, (147), 9 states have call successors, (69), 3 states have call predecessors, (69), 5 states have return successors, (69), 6 states have call predecessors, (69), 9 states have call successors, (69) [2024-10-11 13:43:58,658 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 299 transitions. [2024-10-11 13:43:58,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-10-11 13:43:58,659 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:43:58,659 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:58,678 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-11 13:43:58,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,14 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 13:43:58,864 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:43:58,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:43:58,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1739526213, now seen corresponding path program 1 times [2024-10-11 13:43:58,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:43:58,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874520803] [2024-10-11 13:43:58,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:43:58,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:43:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:59,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:43:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:59,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:43:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:59,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:43:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:59,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:43:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:59,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:43:59,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:59,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:43:59,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:59,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:43:59,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:59,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:43:59,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:59,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:43:59,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:59,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:43:59,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:59,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:43:59,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:59,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:43:59,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:59,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:43:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:59,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:43:59,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:59,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:43:59,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:59,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:43:59,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:59,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:43:59,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:59,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:43:59,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:59,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:43:59,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:59,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:43:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:59,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:43:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:59,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:43:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:59,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:43:59,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:43:59,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:43:59,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:43:59,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874520803] [2024-10-11 13:43:59,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874520803] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:43:59,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:43:59,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 13:43:59,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831314531] [2024-10-11 13:43:59,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:43:59,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 13:43:59,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:43:59,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 13:43:59,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 13:43:59,048 INFO L87 Difference]: Start difference. First operand 272 states and 299 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:59,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:43:59,142 INFO L93 Difference]: Finished difference Result 461 states and 508 transitions. [2024-10-11 13:43:59,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 13:43:59,143 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 201 [2024-10-11 13:43:59,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:43:59,145 INFO L225 Difference]: With dead ends: 461 [2024-10-11 13:43:59,145 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 13:43:59,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 13:43:59,146 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 63 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 13:43:59,150 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 383 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 13:43:59,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 13:43:59,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 13:43:59,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 13:43:59,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 13:43:59,152 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 201 [2024-10-11 13:43:59,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:43:59,153 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 13:43:59,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:43:59,153 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 13:43:59,153 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 13:43:59,157 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 13:43:59,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2024-10-11 13:43:59,160 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:43:59,162 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 13:44:07,758 WARN L286 SmtUtils]: Spent 6.99s on a formula simplification. DAG size of input: 321 DAG size of output: 203 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or)