./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-71.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-71.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 660f06fd7b788e8c10cf619684bc86bfa7277339b3513d64ca91be95bd68ab85 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 08:49:37,328 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 08:49:37,412 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 08:49:37,417 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 08:49:37,419 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 08:49:37,440 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 08:49:37,442 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 08:49:37,443 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 08:49:37,443 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 08:49:37,445 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 08:49:37,445 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 08:49:37,445 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 08:49:37,446 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 08:49:37,446 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 08:49:37,448 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 08:49:37,449 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 08:49:37,449 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 08:49:37,449 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 08:49:37,449 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 08:49:37,449 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 08:49:37,450 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 08:49:37,450 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 08:49:37,450 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 08:49:37,450 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 08:49:37,450 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 08:49:37,451 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 08:49:37,451 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 08:49:37,451 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 08:49:37,451 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 08:49:37,451 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 08:49:37,451 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 08:49:37,452 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 08:49:37,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 08:49:37,452 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 08:49:37,452 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 08:49:37,452 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 08:49:37,452 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 08:49:37,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 08:49:37,452 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 08:49:37,453 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 08:49:37,453 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 08:49:37,453 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 08:49:37,453 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 660f06fd7b788e8c10cf619684bc86bfa7277339b3513d64ca91be95bd68ab85 [2024-11-20 08:49:37,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 08:49:37,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 08:49:37,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 08:49:37,699 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 08:49:37,700 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 08:49:37,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-71.i [2024-11-20 08:49:39,067 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 08:49:39,275 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 08:49:39,275 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-71.i [2024-11-20 08:49:39,290 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/796bc242c/db868d2adf594eb4ad7904dfb66d07d9/FLAG9eca6ba51 [2024-11-20 08:49:39,303 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/796bc242c/db868d2adf594eb4ad7904dfb66d07d9 [2024-11-20 08:49:39,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 08:49:39,307 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 08:49:39,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 08:49:39,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 08:49:39,312 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 08:49:39,313 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:49:39" (1/1) ... [2024-11-20 08:49:39,313 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f1fffe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:49:39, skipping insertion in model container [2024-11-20 08:49:39,313 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:49:39" (1/1) ... [2024-11-20 08:49:39,342 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 08:49:39,471 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-71.i[916,929] [2024-11-20 08:49:39,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 08:49:39,523 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 08:49:39,537 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-71.i[916,929] [2024-11-20 08:49:39,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 08:49:39,583 INFO L204 MainTranslator]: Completed translation [2024-11-20 08:49:39,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:49:39 WrapperNode [2024-11-20 08:49:39,583 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 08:49:39,584 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 08:49:39,584 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 08:49:39,585 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 08:49:39,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:49:39" (1/1) ... [2024-11-20 08:49:39,605 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:49:39" (1/1) ... [2024-11-20 08:49:39,652 INFO L138 Inliner]: procedures = 26, calls = 182, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 527 [2024-11-20 08:49:39,652 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 08:49:39,653 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 08:49:39,653 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 08:49:39,653 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 08:49:39,666 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:49:39" (1/1) ... [2024-11-20 08:49:39,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:49:39" (1/1) ... [2024-11-20 08:49:39,674 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:49:39" (1/1) ... [2024-11-20 08:49:39,695 INFO L175 MemorySlicer]: Split 138 memory accesses to 15 slices as follows [2, 11, 6, 22, 22, 22, 6, 8, 5, 3, 8, 7, 3, 6, 7]. 16 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 18 writes are split as follows [0, 4, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1]. [2024-11-20 08:49:39,696 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:49:39" (1/1) ... [2024-11-20 08:49:39,696 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:49:39" (1/1) ... [2024-11-20 08:49:39,713 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:49:39" (1/1) ... [2024-11-20 08:49:39,720 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:49:39" (1/1) ... [2024-11-20 08:49:39,726 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:49:39" (1/1) ... [2024-11-20 08:49:39,733 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:49:39" (1/1) ... [2024-11-20 08:49:39,741 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 08:49:39,743 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 08:49:39,744 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 08:49:39,744 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 08:49:39,745 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:49:39" (1/1) ... [2024-11-20 08:49:39,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 08:49:39,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 08:49:39,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 08:49:39,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 08:49:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 08:49:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 08:49:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 08:49:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 08:49:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 08:49:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 08:49:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-20 08:49:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-20 08:49:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-20 08:49:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-20 08:49:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-20 08:49:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-20 08:49:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-20 08:49:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-20 08:49:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-20 08:49:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-20 08:49:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 08:49:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 08:49:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 08:49:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 08:49:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 08:49:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-20 08:49:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-20 08:49:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-20 08:49:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-20 08:49:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-20 08:49:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-20 08:49:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-20 08:49:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-20 08:49:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-20 08:49:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-20 08:49:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 08:49:39,844 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 08:49:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 08:49:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 08:49:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 08:49:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 08:49:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 08:49:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-20 08:49:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-20 08:49:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-20 08:49:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-20 08:49:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-20 08:49:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-20 08:49:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-20 08:49:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-20 08:49:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-20 08:49:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-20 08:49:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 08:49:39,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 08:49:39,995 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 08:49:39,997 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 08:49:40,406 INFO L? ?]: Removed 126 outVars from TransFormulas that were not future-live. [2024-11-20 08:49:40,406 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 08:49:40,441 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 08:49:40,442 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 08:49:40,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:49:40 BoogieIcfgContainer [2024-11-20 08:49:40,443 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 08:49:40,445 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 08:49:40,445 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 08:49:40,448 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 08:49:40,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:49:39" (1/3) ... [2024-11-20 08:49:40,449 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59a5356c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:49:40, skipping insertion in model container [2024-11-20 08:49:40,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:49:39" (2/3) ... [2024-11-20 08:49:40,449 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59a5356c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:49:40, skipping insertion in model container [2024-11-20 08:49:40,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:49:40" (3/3) ... [2024-11-20 08:49:40,451 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-71.i [2024-11-20 08:49:40,469 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 08:49:40,469 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 08:49:40,570 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 08:49:40,576 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;@220099d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 08:49:40,576 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 08:49:40,580 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 83 states have (on average 1.3855421686746987) internal successors, (115), 84 states have internal predecessors, (115), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-20 08:49:40,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-20 08:49:40,590 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:49:40,591 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:49:40,592 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:49:40,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:49:40,597 INFO L85 PathProgramCache]: Analyzing trace with hash 634959908, now seen corresponding path program 1 times [2024-11-20 08:49:40,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:49:40,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130963138] [2024-11-20 08:49:40,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:49:40,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:49:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:40,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:49:40,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:40,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:49:40,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:40,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:49:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:40,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:49:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:40,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:49:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:40,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:49:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:40,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:49:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:40,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:49:40,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:40,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:49:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:40,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:49:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:40,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:49:40,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:40,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:49:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:40,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:49:40,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:40,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:49:40,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:40,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:49:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:40,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:49:40,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:40,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:49:40,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:40,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:49:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:40,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:49:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:40,973 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:49:40,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:49:40,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130963138] [2024-11-20 08:49:40,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130963138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:49:40,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:49:40,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 08:49:40,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604241371] [2024-11-20 08:49:40,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:49:40,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 08:49:40,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:49:41,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 08:49:41,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 08:49:41,007 INFO L87 Difference]: Start difference. First operand has 105 states, 83 states have (on average 1.3855421686746987) internal successors, (115), 84 states have internal predecessors, (115), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-20 08:49:41,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:49:41,034 INFO L93 Difference]: Finished difference Result 203 states and 319 transitions. [2024-11-20 08:49:41,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 08:49:41,036 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 144 [2024-11-20 08:49:41,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:49:41,042 INFO L225 Difference]: With dead ends: 203 [2024-11-20 08:49:41,042 INFO L226 Difference]: Without dead ends: 101 [2024-11-20 08:49:41,045 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 08:49:41,048 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 08:49:41,049 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 08:49:41,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-20 08:49:41,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-20 08:49:41,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 80 states have (on average 1.325) internal successors, (106), 80 states have internal predecessors, (106), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-20 08:49:41,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2024-11-20 08:49:41,090 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 144 [2024-11-20 08:49:41,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:49:41,091 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2024-11-20 08:49:41,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-20 08:49:41,091 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2024-11-20 08:49:41,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-20 08:49:41,094 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:49:41,094 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:49:41,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 08:49:41,095 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:49:41,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:49:41,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1640475338, now seen corresponding path program 1 times [2024-11-20 08:49:41,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:49:41,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946708278] [2024-11-20 08:49:41,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:49:41,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:49:41,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:49:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:49:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:49:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:49:41,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:49:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:49:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:49:41,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:49:41,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:49:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:49:41,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:49:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:49:41,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:49:41,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:49:41,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:49:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:49:41,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:49:41,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:49:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:49:41,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,479 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:49:41,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:49:41,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946708278] [2024-11-20 08:49:41,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946708278] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:49:41,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:49:41,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 08:49:41,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302706862] [2024-11-20 08:49:41,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:49:41,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 08:49:41,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:49:41,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 08:49:41,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 08:49:41,488 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:49:41,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:49:41,537 INFO L93 Difference]: Finished difference Result 202 states and 289 transitions. [2024-11-20 08:49:41,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 08:49:41,537 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 144 [2024-11-20 08:49:41,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:49:41,541 INFO L225 Difference]: With dead ends: 202 [2024-11-20 08:49:41,543 INFO L226 Difference]: Without dead ends: 104 [2024-11-20 08:49:41,544 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 08:49:41,545 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 1 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 08:49:41,546 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 412 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 08:49:41,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-20 08:49:41,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 103. [2024-11-20 08:49:41,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 82 states have (on average 1.3170731707317074) internal successors, (108), 82 states have internal predecessors, (108), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-20 08:49:41,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 146 transitions. [2024-11-20 08:49:41,558 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 146 transitions. Word has length 144 [2024-11-20 08:49:41,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:49:41,560 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 146 transitions. [2024-11-20 08:49:41,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:49:41,560 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 146 transitions. [2024-11-20 08:49:41,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-20 08:49:41,561 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:49:41,561 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:49:41,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 08:49:41,562 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:49:41,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:49:41,562 INFO L85 PathProgramCache]: Analyzing trace with hash -879484596, now seen corresponding path program 1 times [2024-11-20 08:49:41,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:49:41,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912078783] [2024-11-20 08:49:41,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:49:41,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:49:41,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:49:41,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:49:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:49:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:49:41,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:49:41,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:49:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:49:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:49:41,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:49:41,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:49:41,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:49:41,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:49:41,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:49:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:49:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:49:41,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:49:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:49:41,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:49:41,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:49:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:41,774 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:49:41,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:49:41,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912078783] [2024-11-20 08:49:41,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912078783] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:49:41,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:49:41,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 08:49:41,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804411137] [2024-11-20 08:49:41,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:49:41,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 08:49:41,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:49:41,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 08:49:41,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 08:49:41,776 INFO L87 Difference]: Start difference. First operand 103 states and 146 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:49:41,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:49:41,806 INFO L93 Difference]: Finished difference Result 206 states and 293 transitions. [2024-11-20 08:49:41,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 08:49:41,810 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 144 [2024-11-20 08:49:41,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:49:41,811 INFO L225 Difference]: With dead ends: 206 [2024-11-20 08:49:41,812 INFO L226 Difference]: Without dead ends: 106 [2024-11-20 08:49:41,812 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 08:49:41,813 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 1 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 08:49:41,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 415 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 08:49:41,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-20 08:49:41,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 105. [2024-11-20 08:49:41,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 84 states have (on average 1.3095238095238095) internal successors, (110), 84 states have internal predecessors, (110), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-20 08:49:41,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 148 transitions. [2024-11-20 08:49:41,827 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 148 transitions. Word has length 144 [2024-11-20 08:49:41,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:49:41,828 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 148 transitions. [2024-11-20 08:49:41,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:49:41,828 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 148 transitions. [2024-11-20 08:49:41,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-20 08:49:41,829 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:49:41,830 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:49:41,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 08:49:41,830 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:49:41,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:49:41,830 INFO L85 PathProgramCache]: Analyzing trace with hash -877637554, now seen corresponding path program 1 times [2024-11-20 08:49:41,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:49:41,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892332215] [2024-11-20 08:49:41,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:49:41,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:49:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:49:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:49:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:49:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:49:42,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:49:42,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:49:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:49:42,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:49:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:49:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:49:42,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:49:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:49:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:49:42,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:49:42,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:49:42,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:49:42,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:49:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:49:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:49:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,220 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:49:42,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:49:42,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892332215] [2024-11-20 08:49:42,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892332215] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:49:42,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:49:42,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 08:49:42,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992379475] [2024-11-20 08:49:42,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:49:42,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 08:49:42,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:49:42,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 08:49:42,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 08:49:42,222 INFO L87 Difference]: Start difference. First operand 105 states and 148 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:49:42,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:49:42,341 INFO L93 Difference]: Finished difference Result 290 states and 408 transitions. [2024-11-20 08:49:42,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 08:49:42,343 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 144 [2024-11-20 08:49:42,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:49:42,344 INFO L225 Difference]: With dead ends: 290 [2024-11-20 08:49:42,344 INFO L226 Difference]: Without dead ends: 188 [2024-11-20 08:49:42,345 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 08:49:42,346 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 120 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 08:49:42,346 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 709 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 08:49:42,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-20 08:49:42,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 176. [2024-11-20 08:49:42,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 144 states have (on average 1.3125) internal successors, (189), 145 states have internal predecessors, (189), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-20 08:49:42,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 247 transitions. [2024-11-20 08:49:42,370 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 247 transitions. Word has length 144 [2024-11-20 08:49:42,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:49:42,371 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 247 transitions. [2024-11-20 08:49:42,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:49:42,371 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 247 transitions. [2024-11-20 08:49:42,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-20 08:49:42,372 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:49:42,373 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:49:42,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 08:49:42,373 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:49:42,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:49:42,373 INFO L85 PathProgramCache]: Analyzing trace with hash -694713373, now seen corresponding path program 1 times [2024-11-20 08:49:42,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:49:42,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400051337] [2024-11-20 08:49:42,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:49:42,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:49:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:49:42,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:49:42,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:49:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:49:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:49:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:49:42,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:49:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:49:42,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:49:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:49:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:49:42,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:49:42,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:49:42,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:49:42,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:49:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:49:42,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:49:42,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:49:42,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:49:42,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:42,858 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:49:42,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:49:42,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400051337] [2024-11-20 08:49:42,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400051337] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:49:42,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:49:42,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 08:49:42,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155405457] [2024-11-20 08:49:42,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:49:42,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 08:49:42,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:49:42,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 08:49:42,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-20 08:49:42,860 INFO L87 Difference]: Start difference. First operand 176 states and 247 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:49:43,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:49:43,036 INFO L93 Difference]: Finished difference Result 443 states and 620 transitions. [2024-11-20 08:49:43,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 08:49:43,037 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 145 [2024-11-20 08:49:43,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:49:43,042 INFO L225 Difference]: With dead ends: 443 [2024-11-20 08:49:43,042 INFO L226 Difference]: Without dead ends: 270 [2024-11-20 08:49:43,043 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-20 08:49:43,044 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 109 mSDsluCounter, 762 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 945 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 08:49:43,048 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 945 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 08:49:43,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-20 08:49:43,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 266. [2024-11-20 08:49:43,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 216 states have (on average 1.2962962962962963) internal successors, (280), 219 states have internal predecessors, (280), 45 states have call successors, (45), 4 states have call predecessors, (45), 4 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-20 08:49:43,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 370 transitions. [2024-11-20 08:49:43,081 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 370 transitions. Word has length 145 [2024-11-20 08:49:43,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:49:43,081 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 370 transitions. [2024-11-20 08:49:43,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:49:43,082 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 370 transitions. [2024-11-20 08:49:43,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-20 08:49:43,083 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:49:43,083 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:49:43,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 08:49:43,083 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:49:43,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:49:43,084 INFO L85 PathProgramCache]: Analyzing trace with hash 982540647, now seen corresponding path program 1 times [2024-11-20 08:49:43,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:49:43,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475908439] [2024-11-20 08:49:43,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:49:43,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:49:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:43,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:49:43,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:43,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:49:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:43,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:49:43,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:43,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:49:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:43,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:49:43,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:43,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:49:43,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:43,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:49:43,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:43,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:49:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:43,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:49:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:43,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:49:43,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:43,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:49:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:43,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:49:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:43,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:49:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:43,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:49:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:43,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:49:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:43,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:49:43,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:43,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:49:43,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:43,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:49:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:43,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:49:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:43,649 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:49:43,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:49:43,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475908439] [2024-11-20 08:49:43,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475908439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:49:43,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:49:43,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 08:49:43,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264642234] [2024-11-20 08:49:43,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:49:43,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 08:49:43,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:49:43,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 08:49:43,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-20 08:49:43,652 INFO L87 Difference]: Start difference. First operand 266 states and 370 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:49:43,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:49:43,816 INFO L93 Difference]: Finished difference Result 517 states and 717 transitions. [2024-11-20 08:49:43,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 08:49:43,819 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 146 [2024-11-20 08:49:43,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:49:43,821 INFO L225 Difference]: With dead ends: 517 [2024-11-20 08:49:43,821 INFO L226 Difference]: Without dead ends: 275 [2024-11-20 08:49:43,821 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-20 08:49:43,825 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 150 mSDsluCounter, 678 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 08:49:43,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 874 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 08:49:43,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2024-11-20 08:49:43,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 273. [2024-11-20 08:49:43,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 222 states have (on average 1.2882882882882882) internal successors, (286), 225 states have internal predecessors, (286), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-20 08:49:43,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 376 transitions. [2024-11-20 08:49:43,850 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 376 transitions. Word has length 146 [2024-11-20 08:49:43,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:49:43,851 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 376 transitions. [2024-11-20 08:49:43,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:49:43,852 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 376 transitions. [2024-11-20 08:49:43,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-20 08:49:43,855 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:49:43,855 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:49:43,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 08:49:43,856 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:49:43,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:49:43,856 INFO L85 PathProgramCache]: Analyzing trace with hash -269161938, now seen corresponding path program 1 times [2024-11-20 08:49:43,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:49:43,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996008771] [2024-11-20 08:49:43,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:49:43,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:49:43,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:49:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:49:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:49:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:49:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:49:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:49:44,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:49:44,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:49:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:49:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:49:44,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:49:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:49:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:49:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:49:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:49:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:49:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:49:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:49:44,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:49:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,076 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:49:44,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:49:44,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996008771] [2024-11-20 08:49:44,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996008771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:49:44,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:49:44,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 08:49:44,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882241040] [2024-11-20 08:49:44,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:49:44,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 08:49:44,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:49:44,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 08:49:44,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 08:49:44,078 INFO L87 Difference]: Start difference. First operand 273 states and 376 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:49:44,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:49:44,121 INFO L93 Difference]: Finished difference Result 512 states and 704 transitions. [2024-11-20 08:49:44,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 08:49:44,122 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 146 [2024-11-20 08:49:44,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:49:44,124 INFO L225 Difference]: With dead ends: 512 [2024-11-20 08:49:44,124 INFO L226 Difference]: Without dead ends: 263 [2024-11-20 08:49:44,124 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 08:49:44,125 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 53 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 612 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 [2024-11-20 08:49:44,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 612 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 08:49:44,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-11-20 08:49:44,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 261. [2024-11-20 08:49:44,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 210 states have (on average 1.2666666666666666) internal successors, (266), 213 states have internal predecessors, (266), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-20 08:49:44,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 356 transitions. [2024-11-20 08:49:44,137 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 356 transitions. Word has length 146 [2024-11-20 08:49:44,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:49:44,138 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 356 transitions. [2024-11-20 08:49:44,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:49:44,138 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 356 transitions. [2024-11-20 08:49:44,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-20 08:49:44,139 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:49:44,139 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:49:44,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 08:49:44,140 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:49:44,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:49:44,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1492113649, now seen corresponding path program 1 times [2024-11-20 08:49:44,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:49:44,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588519190] [2024-11-20 08:49:44,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:49:44,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:49:44,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:49:44,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:49:44,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:49:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:49:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:49:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:49:44,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:49:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:49:44,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:49:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:49:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:49:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:49:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:49:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:49:44,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:49:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:49:44,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:49:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:49:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:49:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:44,351 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:49:44,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:49:44,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588519190] [2024-11-20 08:49:44,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588519190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:49:44,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:49:44,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 08:49:44,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545096403] [2024-11-20 08:49:44,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:49:44,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 08:49:44,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:49:44,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 08:49:44,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 08:49:44,353 INFO L87 Difference]: Start difference. First operand 261 states and 356 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:49:44,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:49:44,409 INFO L93 Difference]: Finished difference Result 494 states and 673 transitions. [2024-11-20 08:49:44,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 08:49:44,409 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 147 [2024-11-20 08:49:44,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:49:44,411 INFO L225 Difference]: With dead ends: 494 [2024-11-20 08:49:44,411 INFO L226 Difference]: Without dead ends: 257 [2024-11-20 08:49:44,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 08:49:44,412 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 55 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 08:49:44,412 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 662 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 08:49:44,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-11-20 08:49:44,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 255. [2024-11-20 08:49:44,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 204 states have (on average 1.2549019607843137) internal successors, (256), 207 states have internal predecessors, (256), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-20 08:49:44,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 346 transitions. [2024-11-20 08:49:44,423 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 346 transitions. Word has length 147 [2024-11-20 08:49:44,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:49:44,424 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 346 transitions. [2024-11-20 08:49:44,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:49:44,424 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 346 transitions. [2024-11-20 08:49:44,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-20 08:49:44,425 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:49:44,425 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:49:44,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 08:49:44,425 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:49:44,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:49:44,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1431681951, now seen corresponding path program 1 times [2024-11-20 08:49:44,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:49:44,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690924279] [2024-11-20 08:49:44,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:49:44,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:49:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:45,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:49:45,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:45,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:49:45,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:45,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:49:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:45,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:49:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:45,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:49:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:45,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:49:45,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:45,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:49:45,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:45,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:49:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:45,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:49:45,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:45,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:49:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:45,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:49:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:45,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:49:45,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:45,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:49:45,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:45,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:49:45,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:45,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:49:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:45,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:49:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:45,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:49:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:45,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:49:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:45,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:49:45,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:45,728 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:49:45,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:49:45,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690924279] [2024-11-20 08:49:45,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690924279] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:49:45,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:49:45,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-20 08:49:45,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062988026] [2024-11-20 08:49:45,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:49:45,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-20 08:49:45,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:49:45,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-20 08:49:45,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2024-11-20 08:49:45,731 INFO L87 Difference]: Start difference. First operand 255 states and 346 transitions. Second operand has 17 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 15 states have internal predecessors, (55), 8 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 7 states have call predecessors, (19), 8 states have call successors, (19) [2024-11-20 08:49:46,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:49:46,597 INFO L93 Difference]: Finished difference Result 542 states and 731 transitions. [2024-11-20 08:49:46,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 08:49:46,598 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 15 states have internal predecessors, (55), 8 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 7 states have call predecessors, (19), 8 states have call successors, (19) Word has length 147 [2024-11-20 08:49:46,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:49:46,600 INFO L225 Difference]: With dead ends: 542 [2024-11-20 08:49:46,600 INFO L226 Difference]: Without dead ends: 311 [2024-11-20 08:49:46,601 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2024-11-20 08:49:46,605 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 404 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 734 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 704 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 08:49:46,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 704 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 734 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 08:49:46,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-11-20 08:49:46,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 308. [2024-11-20 08:49:46,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 253 states have (on average 1.2608695652173914) internal successors, (319), 257 states have internal predecessors, (319), 47 states have call successors, (47), 7 states have call predecessors, (47), 7 states have return successors, (47), 43 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-20 08:49:46,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 413 transitions. [2024-11-20 08:49:46,643 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 413 transitions. Word has length 147 [2024-11-20 08:49:46,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:49:46,644 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 413 transitions. [2024-11-20 08:49:46,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 15 states have internal predecessors, (55), 8 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 7 states have call predecessors, (19), 8 states have call successors, (19) [2024-11-20 08:49:46,644 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 413 transitions. [2024-11-20 08:49:46,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-20 08:49:46,645 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:49:46,646 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:49:46,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 08:49:46,646 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:49:46,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:49:46,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1583421667, now seen corresponding path program 1 times [2024-11-20 08:49:46,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:49:46,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971120602] [2024-11-20 08:49:46,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:49:46,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:49:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:47,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:49:47,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:47,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:49:47,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:47,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:49:47,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:47,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:49:47,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:47,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:49:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:47,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:49:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:47,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:49:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:47,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:49:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:47,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:49:47,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:47,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:49:47,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:47,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:49:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:47,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:49:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:47,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:49:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:47,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:49:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:47,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:49:47,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:47,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:49:47,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:47,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:49:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:47,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:49:47,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:47,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:49:47,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:47,467 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:49:47,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:49:47,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971120602] [2024-11-20 08:49:47,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971120602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:49:47,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:49:47,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 08:49:47,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745901048] [2024-11-20 08:49:47,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:49:47,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 08:49:47,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:49:47,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 08:49:47,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-20 08:49:47,469 INFO L87 Difference]: Start difference. First operand 308 states and 413 transitions. Second operand has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:49:47,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:49:47,742 INFO L93 Difference]: Finished difference Result 599 states and 803 transitions. [2024-11-20 08:49:47,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 08:49:47,743 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 147 [2024-11-20 08:49:47,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:49:47,745 INFO L225 Difference]: With dead ends: 599 [2024-11-20 08:49:47,745 INFO L226 Difference]: Without dead ends: 319 [2024-11-20 08:49:47,746 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2024-11-20 08:49:47,746 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 195 mSDsluCounter, 821 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 986 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 08:49:47,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 986 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 08:49:47,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-20 08:49:47,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 316. [2024-11-20 08:49:47,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 258 states have (on average 1.251937984496124) internal successors, (323), 262 states have internal predecessors, (323), 49 states have call successors, (49), 8 states have call predecessors, (49), 8 states have return successors, (49), 45 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-20 08:49:47,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 421 transitions. [2024-11-20 08:49:47,768 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 421 transitions. Word has length 147 [2024-11-20 08:49:47,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:49:47,769 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 421 transitions. [2024-11-20 08:49:47,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:49:47,769 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 421 transitions. [2024-11-20 08:49:47,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-20 08:49:47,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:49:47,770 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:49:47,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 08:49:47,771 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:49:47,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:49:47,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1572230561, now seen corresponding path program 1 times [2024-11-20 08:49:47,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:49:47,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810482681] [2024-11-20 08:49:47,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:49:47,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:49:47,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:48,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:49:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:48,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:49:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:48,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:49:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:48,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:49:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:48,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:49:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:48,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:49:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:48,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:49:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:48,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:49:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:48,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:49:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:48,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:49:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:48,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:49:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:48,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:49:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:48,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:49:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:48,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:49:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:48,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:49:48,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:48,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:49:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:48,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:49:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:48,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:49:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:48,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:49:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:48,280 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:49:48,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:49:48,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810482681] [2024-11-20 08:49:48,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810482681] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:49:48,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:49:48,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 08:49:48,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819483871] [2024-11-20 08:49:48,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:49:48,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 08:49:48,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:49:48,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 08:49:48,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-20 08:49:48,285 INFO L87 Difference]: Start difference. First operand 316 states and 421 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:49:48,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:49:48,505 INFO L93 Difference]: Finished difference Result 659 states and 882 transitions. [2024-11-20 08:49:48,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 08:49:48,506 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 147 [2024-11-20 08:49:48,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:49:48,507 INFO L225 Difference]: With dead ends: 659 [2024-11-20 08:49:48,508 INFO L226 Difference]: Without dead ends: 371 [2024-11-20 08:49:48,508 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-20 08:49:48,509 INFO L432 NwaCegarLoop]: 237 mSDtfsCounter, 121 mSDsluCounter, 1051 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 1288 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 08:49:48,509 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 1288 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 08:49:48,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2024-11-20 08:49:48,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 358. [2024-11-20 08:49:48,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 283 states have (on average 1.2296819787985867) internal successors, (348), 287 states have internal predecessors, (348), 64 states have call successors, (64), 10 states have call predecessors, (64), 10 states have return successors, (64), 60 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-20 08:49:48,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 476 transitions. [2024-11-20 08:49:48,535 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 476 transitions. Word has length 147 [2024-11-20 08:49:48,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:49:48,536 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 476 transitions. [2024-11-20 08:49:48,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:49:48,536 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 476 transitions. [2024-11-20 08:49:48,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-20 08:49:48,537 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:49:48,537 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:49:48,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 08:49:48,538 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:49:48,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:49:48,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1442873057, now seen corresponding path program 1 times [2024-11-20 08:49:48,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:49:48,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105732139] [2024-11-20 08:49:48,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:49:48,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:49:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:49,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:49:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:49,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:49:49,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:49,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:49:49,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:49,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:49:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:49,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:49:49,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:49,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:49:49,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:49,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:49:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:49,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:49:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:49,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:49:49,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:49,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:49:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:49,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:49:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:49,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:49:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:49,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:49:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:49,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:49:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:49,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:49:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:49,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:49:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:49,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:49:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:49,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:49:49,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:49,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:49:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:49,405 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:49:49,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:49:49,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105732139] [2024-11-20 08:49:49,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105732139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:49:49,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:49:49,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-20 08:49:49,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999859271] [2024-11-20 08:49:49,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:49:49,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-20 08:49:49,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:49:49,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-20 08:49:49,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-20 08:49:49,407 INFO L87 Difference]: Start difference. First operand 358 states and 476 transitions. Second operand has 15 states, 13 states have (on average 4.230769230769231) internal successors, (55), 15 states have internal predecessors, (55), 7 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 7 states have call successors, (19) [2024-11-20 08:49:50,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:49:50,292 INFO L93 Difference]: Finished difference Result 735 states and 973 transitions. [2024-11-20 08:49:50,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-20 08:49:50,293 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 4.230769230769231) internal successors, (55), 15 states have internal predecessors, (55), 7 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 7 states have call successors, (19) Word has length 147 [2024-11-20 08:49:50,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:49:50,296 INFO L225 Difference]: With dead ends: 735 [2024-11-20 08:49:50,296 INFO L226 Difference]: Without dead ends: 405 [2024-11-20 08:49:50,297 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=122, Invalid=478, Unknown=0, NotChecked=0, Total=600 [2024-11-20 08:49:50,298 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 259 mSDsluCounter, 826 mSDsCounter, 0 mSdLazyCounter, 876 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 977 SdHoareTripleChecker+Invalid, 889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 08:49:50,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 977 Invalid, 889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 876 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 08:49:50,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-11-20 08:49:50,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 358. [2024-11-20 08:49:50,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 282 states have (on average 1.2234042553191489) internal successors, (345), 286 states have internal predecessors, (345), 64 states have call successors, (64), 11 states have call predecessors, (64), 11 states have return successors, (64), 60 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-20 08:49:50,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 473 transitions. [2024-11-20 08:49:50,357 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 473 transitions. Word has length 147 [2024-11-20 08:49:50,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:49:50,358 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 473 transitions. [2024-11-20 08:49:50,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 4.230769230769231) internal successors, (55), 15 states have internal predecessors, (55), 7 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 7 states have call successors, (19) [2024-11-20 08:49:50,358 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 473 transitions. [2024-11-20 08:49:50,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-20 08:49:50,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:49:50,360 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:49:50,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 08:49:50,360 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:49:50,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:49:50,360 INFO L85 PathProgramCache]: Analyzing trace with hash 781233282, now seen corresponding path program 1 times [2024-11-20 08:49:50,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:49:50,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965150223] [2024-11-20 08:49:50,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:49:50,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:49:50,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:51,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:49:51,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:51,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:49:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:51,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:49:51,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:51,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:49:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:51,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:49:51,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:51,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:49:51,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:51,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:49:51,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:51,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:49:51,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:51,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:49:51,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:51,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:49:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:51,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:49:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:51,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:49:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:51,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:49:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:51,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:49:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:51,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:49:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:51,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:49:51,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:51,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:49:51,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:51,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:49:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:51,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:49:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:51,960 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:49:51,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:49:51,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965150223] [2024-11-20 08:49:51,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965150223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:49:51,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:49:51,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-20 08:49:51,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868219756] [2024-11-20 08:49:51,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:49:51,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-20 08:49:51,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:49:51,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-20 08:49:51,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2024-11-20 08:49:51,966 INFO L87 Difference]: Start difference. First operand 358 states and 473 transitions. Second operand has 17 states, 16 states have (on average 3.5) internal successors, (56), 17 states have internal predecessors, (56), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:49:53,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:49:53,266 INFO L93 Difference]: Finished difference Result 802 states and 1061 transitions. [2024-11-20 08:49:53,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-20 08:49:53,267 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.5) internal successors, (56), 17 states have internal predecessors, (56), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 148 [2024-11-20 08:49:53,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:49:53,269 INFO L225 Difference]: With dead ends: 802 [2024-11-20 08:49:53,273 INFO L226 Difference]: Without dead ends: 472 [2024-11-20 08:49:53,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=152, Invalid=840, Unknown=0, NotChecked=0, Total=992 [2024-11-20 08:49:53,276 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 331 mSDsluCounter, 1494 mSDsCounter, 0 mSdLazyCounter, 994 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 1666 SdHoareTripleChecker+Invalid, 1014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-20 08:49:53,276 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 1666 Invalid, 1014 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 994 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-20 08:49:53,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2024-11-20 08:49:53,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 463. [2024-11-20 08:49:53,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 377 states have (on average 1.2440318302387268) internal successors, (469), 383 states have internal predecessors, (469), 72 states have call successors, (72), 13 states have call predecessors, (72), 13 states have return successors, (72), 66 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-20 08:49:53,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 613 transitions. [2024-11-20 08:49:53,340 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 613 transitions. Word has length 148 [2024-11-20 08:49:53,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:49:53,340 INFO L471 AbstractCegarLoop]: Abstraction has 463 states and 613 transitions. [2024-11-20 08:49:53,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.5) internal successors, (56), 17 states have internal predecessors, (56), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:49:53,340 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 613 transitions. [2024-11-20 08:49:53,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-20 08:49:53,343 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:49:53,343 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:49:53,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 08:49:53,343 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:49:53,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:49:53,344 INFO L85 PathProgramCache]: Analyzing trace with hash -36415168, now seen corresponding path program 1 times [2024-11-20 08:49:53,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:49:53,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033662705] [2024-11-20 08:49:53,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:49:53,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:49:53,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:54,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:49:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:54,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:49:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:54,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:49:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:54,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:49:54,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:54,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:49:54,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:54,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:49:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:54,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:49:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:54,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:49:54,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:54,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:49:54,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:54,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:49:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:54,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:49:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:54,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:49:54,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:54,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:49:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:54,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:49:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:54,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:49:54,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:54,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:49:54,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:54,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:49:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:54,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:49:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:54,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:49:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:54,233 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:49:54,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:49:54,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033662705] [2024-11-20 08:49:54,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033662705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:49:54,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:49:54,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-20 08:49:54,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499883326] [2024-11-20 08:49:54,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:49:54,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 08:49:54,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:49:54,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 08:49:54,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2024-11-20 08:49:54,236 INFO L87 Difference]: Start difference. First operand 463 states and 613 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:49:54,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:49:54,969 INFO L93 Difference]: Finished difference Result 904 states and 1198 transitions. [2024-11-20 08:49:54,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 08:49:54,969 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 148 [2024-11-20 08:49:54,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:49:54,972 INFO L225 Difference]: With dead ends: 904 [2024-11-20 08:49:54,972 INFO L226 Difference]: Without dead ends: 469 [2024-11-20 08:49:54,973 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2024-11-20 08:49:54,973 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 314 mSDsluCounter, 1177 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 1352 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 08:49:54,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 1352 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 08:49:54,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-11-20 08:49:54,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 466. [2024-11-20 08:49:54,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 380 states have (on average 1.2421052631578948) internal successors, (472), 386 states have internal predecessors, (472), 72 states have call successors, (72), 13 states have call predecessors, (72), 13 states have return successors, (72), 66 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-20 08:49:55,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 616 transitions. [2024-11-20 08:49:55,001 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 616 transitions. Word has length 148 [2024-11-20 08:49:55,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:49:55,001 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 616 transitions. [2024-11-20 08:49:55,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:49:55,001 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 616 transitions. [2024-11-20 08:49:55,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-20 08:49:55,003 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:49:55,003 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:49:55,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-20 08:49:55,003 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:49:55,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:49:55,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1132673159, now seen corresponding path program 1 times [2024-11-20 08:49:55,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:49:55,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739177651] [2024-11-20 08:49:55,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:49:55,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:49:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:49:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:49:55,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:49:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:49:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:49:55,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:49:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:49:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:49:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:49:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:49:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:49:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:49:55,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:49:55,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:49:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:49:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:49:55,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:49:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:49:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:49:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,164 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:49:55,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:49:55,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739177651] [2024-11-20 08:49:55,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739177651] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:49:55,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:49:55,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 08:49:55,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085592617] [2024-11-20 08:49:55,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:49:55,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 08:49:55,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:49:55,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 08:49:55,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 08:49:55,166 INFO L87 Difference]: Start difference. First operand 466 states and 616 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:49:55,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:49:55,271 INFO L93 Difference]: Finished difference Result 907 states and 1200 transitions. [2024-11-20 08:49:55,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 08:49:55,272 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 148 [2024-11-20 08:49:55,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:49:55,274 INFO L225 Difference]: With dead ends: 907 [2024-11-20 08:49:55,275 INFO L226 Difference]: Without dead ends: 469 [2024-11-20 08:49:55,276 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 08:49:55,277 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 96 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 08:49:55,278 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 584 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 08:49:55,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-11-20 08:49:55,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 466. [2024-11-20 08:49:55,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 380 states have (on average 1.2394736842105263) internal successors, (471), 386 states have internal predecessors, (471), 72 states have call successors, (72), 13 states have call predecessors, (72), 13 states have return successors, (72), 66 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-20 08:49:55,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 615 transitions. [2024-11-20 08:49:55,305 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 615 transitions. Word has length 148 [2024-11-20 08:49:55,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:49:55,306 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 615 transitions. [2024-11-20 08:49:55,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:49:55,306 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 615 transitions. [2024-11-20 08:49:55,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-20 08:49:55,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:49:55,307 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:49:55,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-20 08:49:55,307 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:49:55,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:49:55,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1634908125, now seen corresponding path program 1 times [2024-11-20 08:49:55,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:49:55,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138156104] [2024-11-20 08:49:55,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:49:55,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:49:55,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:49:55,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:49:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:49:55,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:49:55,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:49:55,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:49:55,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:49:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:49:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:49:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:49:55,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:49:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:49:55,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:49:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:49:55,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:49:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:49:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:49:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:49:55,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:49:55,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,470 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:49:55,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:49:55,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138156104] [2024-11-20 08:49:55,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138156104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:49:55,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:49:55,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 08:49:55,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120797473] [2024-11-20 08:49:55,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:49:55,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 08:49:55,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:49:55,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 08:49:55,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 08:49:55,471 INFO L87 Difference]: Start difference. First operand 466 states and 615 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:49:55,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:49:55,568 INFO L93 Difference]: Finished difference Result 907 states and 1198 transitions. [2024-11-20 08:49:55,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 08:49:55,569 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 148 [2024-11-20 08:49:55,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:49:55,571 INFO L225 Difference]: With dead ends: 907 [2024-11-20 08:49:55,571 INFO L226 Difference]: Without dead ends: 469 [2024-11-20 08:49:55,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 08:49:55,574 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 100 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 08:49:55,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 578 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 08:49:55,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-11-20 08:49:55,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 466. [2024-11-20 08:49:55,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 380 states have (on average 1.236842105263158) internal successors, (470), 386 states have internal predecessors, (470), 72 states have call successors, (72), 13 states have call predecessors, (72), 13 states have return successors, (72), 66 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-20 08:49:55,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 614 transitions. [2024-11-20 08:49:55,600 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 614 transitions. Word has length 148 [2024-11-20 08:49:55,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:49:55,601 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 614 transitions. [2024-11-20 08:49:55,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:49:55,601 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 614 transitions. [2024-11-20 08:49:55,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-20 08:49:55,602 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:49:55,602 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:49:55,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-20 08:49:55,602 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:49:55,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:49:55,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1071711269, now seen corresponding path program 1 times [2024-11-20 08:49:55,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:49:55,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099935527] [2024-11-20 08:49:55,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:49:55,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:49:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:49:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:49:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:49:55,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:49:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:49:55,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:49:55,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:49:55,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:49:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:49:55,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:49:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:49:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:49:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:49:55,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:49:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:49:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:49:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:49:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:49:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:49:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:55,771 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:49:55,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:49:55,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099935527] [2024-11-20 08:49:55,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099935527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:49:55,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:49:55,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 08:49:55,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935608181] [2024-11-20 08:49:55,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:49:55,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 08:49:55,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:49:55,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 08:49:55,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 08:49:55,772 INFO L87 Difference]: Start difference. First operand 466 states and 614 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:49:55,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:49:55,867 INFO L93 Difference]: Finished difference Result 905 states and 1191 transitions. [2024-11-20 08:49:55,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 08:49:55,868 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 148 [2024-11-20 08:49:55,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:49:55,870 INFO L225 Difference]: With dead ends: 905 [2024-11-20 08:49:55,870 INFO L226 Difference]: Without dead ends: 467 [2024-11-20 08:49:55,872 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 08:49:55,872 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 65 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 08:49:55,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 707 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 08:49:55,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2024-11-20 08:49:55,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 464. [2024-11-20 08:49:55,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 377 states have (on average 1.2307692307692308) internal successors, (464), 383 states have internal predecessors, (464), 72 states have call successors, (72), 14 states have call predecessors, (72), 14 states have return successors, (72), 66 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-20 08:49:55,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 608 transitions. [2024-11-20 08:49:55,898 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 608 transitions. Word has length 148 [2024-11-20 08:49:55,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:49:55,899 INFO L471 AbstractCegarLoop]: Abstraction has 464 states and 608 transitions. [2024-11-20 08:49:55,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:49:55,899 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 608 transitions. [2024-11-20 08:49:55,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-20 08:49:55,900 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:49:55,900 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:49:55,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-20 08:49:55,900 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:49:55,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:49:55,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1711229009, now seen corresponding path program 1 times [2024-11-20 08:49:55,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:49:55,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208795687] [2024-11-20 08:49:55,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:49:55,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:49:55,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:56,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:49:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:56,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:49:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:56,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:49:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:56,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:49:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:56,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:49:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:56,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:49:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:56,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:49:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:56,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:49:56,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:56,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:49:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:56,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:49:56,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:56,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:49:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:56,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:49:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:56,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:49:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:56,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:49:56,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:56,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:49:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:56,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:49:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:56,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:49:56,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:56,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:49:56,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:56,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:49:56,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:56,620 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:49:56,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:49:56,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208795687] [2024-11-20 08:49:56,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208795687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:49:56,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:49:56,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 08:49:56,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474966033] [2024-11-20 08:49:56,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:49:56,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 08:49:56,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:49:56,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 08:49:56,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-20 08:49:56,622 INFO L87 Difference]: Start difference. First operand 464 states and 608 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:49:56,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:49:56,887 INFO L93 Difference]: Finished difference Result 1152 states and 1510 transitions. [2024-11-20 08:49:56,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 08:49:56,887 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 149 [2024-11-20 08:49:56,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:49:56,890 INFO L225 Difference]: With dead ends: 1152 [2024-11-20 08:49:56,890 INFO L226 Difference]: Without dead ends: 716 [2024-11-20 08:49:56,891 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-20 08:49:56,892 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 58 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 788 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 08:49:56,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 788 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 08:49:56,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2024-11-20 08:49:56,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 568. [2024-11-20 08:49:56,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 478 states have (on average 1.2510460251046025) internal successors, (598), 485 states have internal predecessors, (598), 74 states have call successors, (74), 15 states have call predecessors, (74), 15 states have return successors, (74), 67 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-20 08:49:56,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 746 transitions. [2024-11-20 08:49:56,921 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 746 transitions. Word has length 149 [2024-11-20 08:49:56,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:49:56,921 INFO L471 AbstractCegarLoop]: Abstraction has 568 states and 746 transitions. [2024-11-20 08:49:56,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:49:56,921 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 746 transitions. [2024-11-20 08:49:56,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-20 08:49:56,923 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:49:56,923 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:49:56,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-20 08:49:56,923 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:49:56,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:49:56,924 INFO L85 PathProgramCache]: Analyzing trace with hash -823684889, now seen corresponding path program 1 times [2024-11-20 08:49:56,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:49:56,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108146694] [2024-11-20 08:49:56,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:49:56,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:49:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:58,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:49:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:58,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:49:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:58,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:49:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:58,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:49:58,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:58,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:49:58,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:58,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:49:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:58,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:49:58,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:58,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:49:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:58,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:49:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:58,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:49:58,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:58,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:49:58,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:58,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:49:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:58,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:49:58,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:58,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:49:58,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:58,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:49:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:58,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:49:58,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:58,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:49:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:58,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:49:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:58,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:49:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:58,049 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:49:58,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:49:58,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108146694] [2024-11-20 08:49:58,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108146694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:49:58,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:49:58,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-20 08:49:58,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899187531] [2024-11-20 08:49:58,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:49:58,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 08:49:58,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:49:58,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 08:49:58,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-20 08:49:58,051 INFO L87 Difference]: Start difference. First operand 568 states and 746 transitions. Second operand has 14 states, 13 states have (on average 4.461538461538462) internal successors, (58), 14 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:49:59,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:49:59,041 INFO L93 Difference]: Finished difference Result 1120 states and 1471 transitions. [2024-11-20 08:49:59,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 08:49:59,042 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.461538461538462) internal successors, (58), 14 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 150 [2024-11-20 08:49:59,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:49:59,044 INFO L225 Difference]: With dead ends: 1120 [2024-11-20 08:49:59,045 INFO L226 Difference]: Without dead ends: 580 [2024-11-20 08:49:59,046 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2024-11-20 08:49:59,046 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 415 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-20 08:49:59,046 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 877 Invalid, 822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 768 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-20 08:49:59,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2024-11-20 08:49:59,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 530. [2024-11-20 08:49:59,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 442 states have (on average 1.242081447963801) internal successors, (549), 448 states have internal predecessors, (549), 72 states have call successors, (72), 15 states have call predecessors, (72), 15 states have return successors, (72), 66 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-20 08:49:59,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 693 transitions. [2024-11-20 08:49:59,077 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 693 transitions. Word has length 150 [2024-11-20 08:49:59,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:49:59,077 INFO L471 AbstractCegarLoop]: Abstraction has 530 states and 693 transitions. [2024-11-20 08:49:59,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.461538461538462) internal successors, (58), 14 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:49:59,077 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 693 transitions. [2024-11-20 08:49:59,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-20 08:49:59,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:49:59,080 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:49:59,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-20 08:49:59,080 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:49:59,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:49:59,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1477137701, now seen corresponding path program 1 times [2024-11-20 08:49:59,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:49:59,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626206419] [2024-11-20 08:49:59,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:49:59,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:49:59,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:49:59,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:49:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:49:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:49:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:49:59,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:49:59,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:49:59,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:49:59,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:49:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:49:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:49:59,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:49:59,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:49:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:49:59,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:49:59,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:49:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:49:59,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:49:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:49:59,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,312 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:49:59,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:49:59,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626206419] [2024-11-20 08:49:59,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626206419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:49:59,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:49:59,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 08:49:59,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142425649] [2024-11-20 08:49:59,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:49:59,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 08:49:59,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:49:59,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 08:49:59,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 08:49:59,314 INFO L87 Difference]: Start difference. First operand 530 states and 693 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:49:59,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:49:59,462 INFO L93 Difference]: Finished difference Result 1205 states and 1578 transitions. [2024-11-20 08:49:59,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 08:49:59,462 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 150 [2024-11-20 08:49:59,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:49:59,465 INFO L225 Difference]: With dead ends: 1205 [2024-11-20 08:49:59,465 INFO L226 Difference]: Without dead ends: 703 [2024-11-20 08:49:59,466 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 08:49:59,466 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 61 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 08:49:59,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 573 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 08:49:59,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2024-11-20 08:49:59,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 580. [2024-11-20 08:49:59,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 492 states have (on average 1.258130081300813) internal successors, (619), 498 states have internal predecessors, (619), 72 states have call successors, (72), 15 states have call predecessors, (72), 15 states have return successors, (72), 66 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-20 08:49:59,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 763 transitions. [2024-11-20 08:49:59,500 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 763 transitions. Word has length 150 [2024-11-20 08:49:59,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:49:59,500 INFO L471 AbstractCegarLoop]: Abstraction has 580 states and 763 transitions. [2024-11-20 08:49:59,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:49:59,500 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 763 transitions. [2024-11-20 08:49:59,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-20 08:49:59,501 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:49:59,501 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:49:59,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-20 08:49:59,502 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:49:59,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:49:59,502 INFO L85 PathProgramCache]: Analyzing trace with hash -2046485093, now seen corresponding path program 1 times [2024-11-20 08:49:59,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:49:59,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971961670] [2024-11-20 08:49:59,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:49:59,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:49:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:49:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:49:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:49:59,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:49:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:49:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:49:59,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:49:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:49:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:49:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:49:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:49:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:49:59,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:49:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:49:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:49:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:49:59,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:49:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:49:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:49:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:49:59,823 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:49:59,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:49:59,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971961670] [2024-11-20 08:49:59,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971961670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:49:59,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:49:59,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 08:49:59,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841818878] [2024-11-20 08:49:59,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:49:59,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 08:49:59,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:49:59,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 08:49:59,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-20 08:49:59,825 INFO L87 Difference]: Start difference. First operand 580 states and 763 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:49:59,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:49:59,995 INFO L93 Difference]: Finished difference Result 1256 states and 1655 transitions. [2024-11-20 08:49:59,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 08:49:59,996 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 150 [2024-11-20 08:49:59,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:49:59,998 INFO L225 Difference]: With dead ends: 1256 [2024-11-20 08:49:59,998 INFO L226 Difference]: Without dead ends: 684 [2024-11-20 08:49:59,999 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-20 08:49:59,999 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 115 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 08:50:00,000 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 734 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 08:50:00,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2024-11-20 08:50:00,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 600. [2024-11-20 08:50:00,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 512 states have (on average 1.259765625) internal successors, (645), 518 states have internal predecessors, (645), 72 states have call successors, (72), 15 states have call predecessors, (72), 15 states have return successors, (72), 66 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-20 08:50:00,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 789 transitions. [2024-11-20 08:50:00,032 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 789 transitions. Word has length 150 [2024-11-20 08:50:00,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:50:00,033 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 789 transitions. [2024-11-20 08:50:00,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:50:00,033 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 789 transitions. [2024-11-20 08:50:00,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-20 08:50:00,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:50:00,034 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:50:00,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-20 08:50:00,034 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:50:00,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:50:00,034 INFO L85 PathProgramCache]: Analyzing trace with hash -2108524707, now seen corresponding path program 1 times [2024-11-20 08:50:00,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:50:00,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821419697] [2024-11-20 08:50:00,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:50:00,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:50:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:00,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:50:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:00,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:50:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:00,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:50:00,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:00,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:50:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:00,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:50:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:00,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:50:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:00,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:50:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:00,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:50:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:00,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:50:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:00,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:50:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:00,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:50:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:00,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:50:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:00,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:50:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:00,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:50:00,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:00,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:50:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:00,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:50:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:00,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:50:00,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:00,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:50:00,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:00,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:50:00,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:00,762 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:50:00,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:50:00,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821419697] [2024-11-20 08:50:00,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821419697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:50:00,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:50:00,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-20 08:50:00,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928700316] [2024-11-20 08:50:00,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:50:00,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-20 08:50:00,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:50:00,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-20 08:50:00,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2024-11-20 08:50:00,764 INFO L87 Difference]: Start difference. First operand 600 states and 789 transitions. Second operand has 15 states, 14 states have (on average 4.142857142857143) internal successors, (58), 15 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:50:01,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:50:01,987 INFO L93 Difference]: Finished difference Result 1286 states and 1690 transitions. [2024-11-20 08:50:01,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-20 08:50:01,987 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.142857142857143) internal successors, (58), 15 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 150 [2024-11-20 08:50:01,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:50:01,990 INFO L225 Difference]: With dead ends: 1286 [2024-11-20 08:50:01,990 INFO L226 Difference]: Without dead ends: 714 [2024-11-20 08:50:01,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=107, Invalid=543, Unknown=0, NotChecked=0, Total=650 [2024-11-20 08:50:01,992 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 246 mSDsluCounter, 1122 mSDsCounter, 0 mSdLazyCounter, 929 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 1307 SdHoareTripleChecker+Invalid, 939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 929 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-20 08:50:01,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 1307 Invalid, 939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 929 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-20 08:50:01,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2024-11-20 08:50:02,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 612. [2024-11-20 08:50:02,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 612 states, 524 states have (on average 1.2576335877862594) internal successors, (659), 530 states have internal predecessors, (659), 72 states have call successors, (72), 15 states have call predecessors, (72), 15 states have return successors, (72), 66 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-20 08:50:02,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 803 transitions. [2024-11-20 08:50:02,026 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 803 transitions. Word has length 150 [2024-11-20 08:50:02,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:50:02,026 INFO L471 AbstractCegarLoop]: Abstraction has 612 states and 803 transitions. [2024-11-20 08:50:02,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.142857142857143) internal successors, (58), 15 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:50:02,027 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 803 transitions. [2024-11-20 08:50:02,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-20 08:50:02,030 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:50:02,030 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:50:02,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-20 08:50:02,030 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:50:02,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:50:02,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1368794139, now seen corresponding path program 1 times [2024-11-20 08:50:02,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:50:02,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996476068] [2024-11-20 08:50:02,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:50:02,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:50:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:09,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:50:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:09,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:50:09,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:09,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:50:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:09,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:50:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:09,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:50:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:09,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:50:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:09,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:50:09,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:09,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:50:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:09,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:50:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:09,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:50:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:09,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:50:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:09,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:50:09,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:09,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:50:09,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:09,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:50:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:09,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:50:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:09,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:50:09,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:09,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:50:09,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:09,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:50:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:09,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:50:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:09,228 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:50:09,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:50:09,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996476068] [2024-11-20 08:50:09,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996476068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:50:09,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:50:09,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-20 08:50:09,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859520976] [2024-11-20 08:50:09,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:50:09,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-20 08:50:09,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:50:09,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-20 08:50:09,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=227, Unknown=1, NotChecked=0, Total=272 [2024-11-20 08:50:09,230 INFO L87 Difference]: Start difference. First operand 612 states and 803 transitions. Second operand has 17 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 16 states have internal predecessors, (58), 6 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 6 states have call successors, (19) [2024-11-20 08:50:19,443 WARN L286 SmtUtils]: Spent 9.27s on a formula simplification. DAG size of input: 105 DAG size of output: 101 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-20 08:50:20,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:50:20,255 INFO L93 Difference]: Finished difference Result 1249 states and 1640 transitions. [2024-11-20 08:50:20,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-20 08:50:20,256 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 16 states have internal predecessors, (58), 6 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 6 states have call successors, (19) Word has length 150 [2024-11-20 08:50:20,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:50:20,258 INFO L225 Difference]: With dead ends: 1249 [2024-11-20 08:50:20,258 INFO L226 Difference]: Without dead ends: 665 [2024-11-20 08:50:20,260 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 14.9s TimeCoverageRelationStatistics Valid=131, Invalid=570, Unknown=1, NotChecked=0, Total=702 [2024-11-20 08:50:20,260 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 189 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 939 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 1071 SdHoareTripleChecker+Invalid, 947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 939 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-20 08:50:20,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 1071 Invalid, 947 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 939 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-20 08:50:20,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2024-11-20 08:50:20,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 604. [2024-11-20 08:50:20,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 604 states, 516 states have (on average 1.2577519379844961) internal successors, (649), 522 states have internal predecessors, (649), 72 states have call successors, (72), 15 states have call predecessors, (72), 15 states have return successors, (72), 66 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-20 08:50:20,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 793 transitions. [2024-11-20 08:50:20,292 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 793 transitions. Word has length 150 [2024-11-20 08:50:20,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:50:20,293 INFO L471 AbstractCegarLoop]: Abstraction has 604 states and 793 transitions. [2024-11-20 08:50:20,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 16 states have internal predecessors, (58), 6 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 6 states have call successors, (19) [2024-11-20 08:50:20,293 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 793 transitions. [2024-11-20 08:50:20,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-20 08:50:20,294 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:50:20,294 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:50:20,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-20 08:50:20,294 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:50:20,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:50:20,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1431626201, now seen corresponding path program 1 times [2024-11-20 08:50:20,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:50:20,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621441276] [2024-11-20 08:50:20,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:50:20,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:50:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:50:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:50:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:50:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:50:20,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:50:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:50:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:50:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:50:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:50:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:50:20,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:50:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:50:20,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:50:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:50:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:50:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:50:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:50:20,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:50:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:50:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,442 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:50:20,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:50:20,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621441276] [2024-11-20 08:50:20,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621441276] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:50:20,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:50:20,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 08:50:20,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418479533] [2024-11-20 08:50:20,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:50:20,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 08:50:20,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:50:20,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 08:50:20,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-20 08:50:20,444 INFO L87 Difference]: Start difference. First operand 604 states and 793 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:50:20,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:50:20,664 INFO L93 Difference]: Finished difference Result 1231 states and 1611 transitions. [2024-11-20 08:50:20,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 08:50:20,664 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 150 [2024-11-20 08:50:20,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:50:20,667 INFO L225 Difference]: With dead ends: 1231 [2024-11-20 08:50:20,667 INFO L226 Difference]: Without dead ends: 655 [2024-11-20 08:50:20,668 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-20 08:50:20,669 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 65 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 08:50:20,669 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 885 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 08:50:20,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2024-11-20 08:50:20,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 590. [2024-11-20 08:50:20,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 502 states have (on average 1.252988047808765) internal successors, (629), 508 states have internal predecessors, (629), 72 states have call successors, (72), 15 states have call predecessors, (72), 15 states have return successors, (72), 66 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-20 08:50:20,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 773 transitions. [2024-11-20 08:50:20,701 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 773 transitions. Word has length 150 [2024-11-20 08:50:20,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:50:20,701 INFO L471 AbstractCegarLoop]: Abstraction has 590 states and 773 transitions. [2024-11-20 08:50:20,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:50:20,701 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 773 transitions. [2024-11-20 08:50:20,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-20 08:50:20,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:50:20,702 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:50:20,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-20 08:50:20,703 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:50:20,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:50:20,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1681350053, now seen corresponding path program 1 times [2024-11-20 08:50:20,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:50:20,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818176902] [2024-11-20 08:50:20,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:50:20,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:50:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:50:20,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:50:20,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:50:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:50:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:50:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:50:20,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:50:20,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:50:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:50:20,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:50:20,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:50:20,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:50:20,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:50:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:50:20,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:50:20,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:50:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:50:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:50:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:50:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:20,969 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:50:20,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:50:20,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818176902] [2024-11-20 08:50:20,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818176902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:50:20,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:50:20,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 08:50:20,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263906327] [2024-11-20 08:50:20,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:50:20,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 08:50:20,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:50:20,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 08:50:20,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-20 08:50:20,971 INFO L87 Difference]: Start difference. First operand 590 states and 773 transitions. Second operand has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:50:21,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:50:21,337 INFO L93 Difference]: Finished difference Result 1221 states and 1598 transitions. [2024-11-20 08:50:21,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 08:50:21,338 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 150 [2024-11-20 08:50:21,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:50:21,340 INFO L225 Difference]: With dead ends: 1221 [2024-11-20 08:50:21,340 INFO L226 Difference]: Without dead ends: 659 [2024-11-20 08:50:21,341 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-11-20 08:50:21,344 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 316 mSDsluCounter, 728 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 08:50:21,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 887 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 08:50:21,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2024-11-20 08:50:21,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 648. [2024-11-20 08:50:21,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 648 states, 554 states have (on average 1.2509025270758123) internal successors, (693), 561 states have internal predecessors, (693), 76 states have call successors, (76), 17 states have call predecessors, (76), 17 states have return successors, (76), 69 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-20 08:50:21,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 845 transitions. [2024-11-20 08:50:21,381 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 845 transitions. Word has length 150 [2024-11-20 08:50:21,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:50:21,382 INFO L471 AbstractCegarLoop]: Abstraction has 648 states and 845 transitions. [2024-11-20 08:50:21,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:50:21,382 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 845 transitions. [2024-11-20 08:50:21,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-20 08:50:21,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:50:21,384 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:50:21,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-20 08:50:21,384 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:50:21,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:50:21,384 INFO L85 PathProgramCache]: Analyzing trace with hash -722321313, now seen corresponding path program 1 times [2024-11-20 08:50:21,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:50:21,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742307042] [2024-11-20 08:50:21,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:50:21,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:50:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:22,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:50:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:22,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:50:22,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:22,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:50:22,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:22,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:50:22,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:22,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:50:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:22,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:50:22,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:22,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:50:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:22,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:50:22,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:22,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:50:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:22,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:50:22,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:22,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:50:22,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:22,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:50:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:22,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:50:22,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:22,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:50:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:22,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:50:22,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:22,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:50:22,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:22,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:50:22,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:22,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:50:22,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:22,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:50:22,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:22,158 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:50:22,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:50:22,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742307042] [2024-11-20 08:50:22,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742307042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:50:22,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:50:22,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-20 08:50:22,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570559363] [2024-11-20 08:50:22,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:50:22,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-20 08:50:22,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:50:22,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-20 08:50:22,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2024-11-20 08:50:22,159 INFO L87 Difference]: Start difference. First operand 648 states and 845 transitions. Second operand has 18 states, 16 states have (on average 3.625) internal successors, (58), 17 states have internal predecessors, (58), 6 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 6 states have call successors, (19) [2024-11-20 08:50:23,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:50:23,408 INFO L93 Difference]: Finished difference Result 1417 states and 1843 transitions. [2024-11-20 08:50:23,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 08:50:23,410 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 3.625) internal successors, (58), 17 states have internal predecessors, (58), 6 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 6 states have call successors, (19) Word has length 150 [2024-11-20 08:50:23,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:50:23,412 INFO L225 Difference]: With dead ends: 1417 [2024-11-20 08:50:23,412 INFO L226 Difference]: Without dead ends: 793 [2024-11-20 08:50:23,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=148, Invalid=722, Unknown=0, NotChecked=0, Total=870 [2024-11-20 08:50:23,414 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 359 mSDsluCounter, 1438 mSDsCounter, 0 mSdLazyCounter, 1298 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 1611 SdHoareTripleChecker+Invalid, 1343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 1298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-20 08:50:23,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [359 Valid, 1611 Invalid, 1343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 1298 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-20 08:50:23,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2024-11-20 08:50:23,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 573. [2024-11-20 08:50:23,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 489 states have (on average 1.2535787321063394) internal successors, (613), 494 states have internal predecessors, (613), 68 states have call successors, (68), 15 states have call predecessors, (68), 15 states have return successors, (68), 63 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-20 08:50:23,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 749 transitions. [2024-11-20 08:50:23,447 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 749 transitions. Word has length 150 [2024-11-20 08:50:23,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:50:23,447 INFO L471 AbstractCegarLoop]: Abstraction has 573 states and 749 transitions. [2024-11-20 08:50:23,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 3.625) internal successors, (58), 17 states have internal predecessors, (58), 6 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 6 states have call successors, (19) [2024-11-20 08:50:23,447 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 749 transitions. [2024-11-20 08:50:23,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-20 08:50:23,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:50:23,448 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:50:23,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-20 08:50:23,449 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:50:23,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:50:23,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1539969763, now seen corresponding path program 1 times [2024-11-20 08:50:23,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:50:23,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917285369] [2024-11-20 08:50:23,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:50:23,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:50:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:23,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:50:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:23,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:50:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:23,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:50:23,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:23,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:50:23,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:23,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:50:23,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:23,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:50:23,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:23,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:50:23,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:23,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:50:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:23,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:50:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:23,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:50:23,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:23,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:50:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:23,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:50:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:23,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:50:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:23,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:50:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:23,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:50:23,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:23,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:50:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:23,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:50:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:23,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:50:23,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:23,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:50:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:23,752 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:50:23,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:50:23,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917285369] [2024-11-20 08:50:23,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917285369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:50:23,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:50:23,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 08:50:23,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867394168] [2024-11-20 08:50:23,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:50:23,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 08:50:23,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:50:23,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 08:50:23,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-20 08:50:23,753 INFO L87 Difference]: Start difference. First operand 573 states and 749 transitions. Second operand has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:50:24,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:50:24,094 INFO L93 Difference]: Finished difference Result 1139 states and 1481 transitions. [2024-11-20 08:50:24,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 08:50:24,095 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 150 [2024-11-20 08:50:24,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:50:24,098 INFO L225 Difference]: With dead ends: 1139 [2024-11-20 08:50:24,098 INFO L226 Difference]: Without dead ends: 590 [2024-11-20 08:50:24,099 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-20 08:50:24,100 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 308 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 08:50:24,100 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 622 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 08:50:24,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2024-11-20 08:50:24,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 541. [2024-11-20 08:50:24,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 457 states have (on average 1.236323851203501) internal successors, (565), 462 states have internal predecessors, (565), 68 states have call successors, (68), 15 states have call predecessors, (68), 15 states have return successors, (68), 63 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-20 08:50:24,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 701 transitions. [2024-11-20 08:50:24,134 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 701 transitions. Word has length 150 [2024-11-20 08:50:24,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:50:24,134 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 701 transitions. [2024-11-20 08:50:24,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:50:24,134 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 701 transitions. [2024-11-20 08:50:24,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-20 08:50:24,135 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:50:24,135 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:50:24,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-20 08:50:24,135 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:50:24,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:50:24,136 INFO L85 PathProgramCache]: Analyzing trace with hash -975777600, now seen corresponding path program 1 times [2024-11-20 08:50:24,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:50:24,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876168195] [2024-11-20 08:50:24,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:50:24,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:50:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:24,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:50:24,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:24,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:50:24,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:24,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:50:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:24,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:50:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:24,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:50:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:24,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:50:24,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:24,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:50:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:24,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:50:24,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:24,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:50:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:24,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:50:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:24,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:50:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:24,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:50:24,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:24,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:50:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:24,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:50:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:24,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:50:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:24,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:50:24,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:24,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:50:24,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:24,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:50:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:24,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:50:24,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:24,824 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:50:24,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:50:24,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876168195] [2024-11-20 08:50:24,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876168195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:50:24,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:50:24,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-20 08:50:24,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374014039] [2024-11-20 08:50:24,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:50:24,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 08:50:24,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:50:24,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 08:50:24,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-20 08:50:24,827 INFO L87 Difference]: Start difference. First operand 541 states and 701 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 13 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:50:25,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:50:25,525 INFO L93 Difference]: Finished difference Result 1250 states and 1612 transitions. [2024-11-20 08:50:25,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 08:50:25,525 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 13 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 150 [2024-11-20 08:50:25,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:50:25,528 INFO L225 Difference]: With dead ends: 1250 [2024-11-20 08:50:25,529 INFO L226 Difference]: Without dead ends: 733 [2024-11-20 08:50:25,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 42 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2024-11-20 08:50:25,530 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 257 mSDsluCounter, 1179 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 1365 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 08:50:25,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 1365 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 08:50:25,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2024-11-20 08:50:25,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 629. [2024-11-20 08:50:25,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 629 states, 528 states have (on average 1.2234848484848484) internal successors, (646), 535 states have internal predecessors, (646), 80 states have call successors, (80), 20 states have call predecessors, (80), 20 states have return successors, (80), 73 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-20 08:50:25,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 806 transitions. [2024-11-20 08:50:25,595 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 806 transitions. Word has length 150 [2024-11-20 08:50:25,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:50:25,595 INFO L471 AbstractCegarLoop]: Abstraction has 629 states and 806 transitions. [2024-11-20 08:50:25,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 13 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:50:25,595 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 806 transitions. [2024-11-20 08:50:25,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-20 08:50:25,596 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:50:25,596 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:50:25,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-20 08:50:25,596 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:50:25,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:50:25,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1377799030, now seen corresponding path program 1 times [2024-11-20 08:50:25,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:50:25,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667082994] [2024-11-20 08:50:25,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:50:25,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:50:25,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:25,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:50:25,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:25,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:50:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:25,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:50:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:25,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:50:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:25,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:50:25,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:25,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:50:25,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:25,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:50:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:25,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:50:25,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:25,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:50:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:25,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:50:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:25,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:50:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:25,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:50:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:25,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:50:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:25,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:50:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:25,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:50:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:25,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:50:25,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:25,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:50:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:25,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:50:25,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:25,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:50:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:25,957 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:50:25,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:50:25,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667082994] [2024-11-20 08:50:25,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667082994] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:50:25,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:50:25,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 08:50:25,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832015422] [2024-11-20 08:50:25,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:50:25,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 08:50:25,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:50:25,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 08:50:25,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-20 08:50:25,960 INFO L87 Difference]: Start difference. First operand 629 states and 806 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:50:26,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:50:26,214 INFO L93 Difference]: Finished difference Result 1470 states and 1869 transitions. [2024-11-20 08:50:26,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 08:50:26,215 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 151 [2024-11-20 08:50:26,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:50:26,218 INFO L225 Difference]: With dead ends: 1470 [2024-11-20 08:50:26,219 INFO L226 Difference]: Without dead ends: 865 [2024-11-20 08:50:26,220 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-20 08:50:26,221 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 218 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 815 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 08:50:26,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 815 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 08:50:26,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2024-11-20 08:50:26,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 841. [2024-11-20 08:50:26,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 841 states, 699 states have (on average 1.206008583690987) internal successors, (843), 710 states have internal predecessors, (843), 110 states have call successors, (110), 31 states have call predecessors, (110), 31 states have return successors, (110), 99 states have call predecessors, (110), 110 states have call successors, (110) [2024-11-20 08:50:26,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1063 transitions. [2024-11-20 08:50:26,279 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1063 transitions. Word has length 151 [2024-11-20 08:50:26,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:50:26,279 INFO L471 AbstractCegarLoop]: Abstraction has 841 states and 1063 transitions. [2024-11-20 08:50:26,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:50:26,282 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1063 transitions. [2024-11-20 08:50:26,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-20 08:50:26,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:50:26,283 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:50:26,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-20 08:50:26,284 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:50:26,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:50:26,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1800500856, now seen corresponding path program 1 times [2024-11-20 08:50:26,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:50:26,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747550313] [2024-11-20 08:50:26,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:50:26,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:50:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:50:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:50:26,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:50:26,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:50:26,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:50:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:50:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:50:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:50:26,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:50:26,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:50:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:50:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:50:26,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:50:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:50:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:50:26,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:50:26,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:50:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:50:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:50:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,517 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:50:26,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:50:26,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747550313] [2024-11-20 08:50:26,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747550313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:50:26,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:50:26,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 08:50:26,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059939954] [2024-11-20 08:50:26,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:50:26,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 08:50:26,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:50:26,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 08:50:26,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 08:50:26,518 INFO L87 Difference]: Start difference. First operand 841 states and 1063 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:50:26,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:50:26,681 INFO L93 Difference]: Finished difference Result 1754 states and 2212 transitions. [2024-11-20 08:50:26,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 08:50:26,682 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 151 [2024-11-20 08:50:26,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:50:26,686 INFO L225 Difference]: With dead ends: 1754 [2024-11-20 08:50:26,686 INFO L226 Difference]: Without dead ends: 937 [2024-11-20 08:50:26,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-20 08:50:26,688 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 106 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 813 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 08:50:26,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 813 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 08:50:26,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2024-11-20 08:50:26,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 851. [2024-11-20 08:50:26,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 851 states, 697 states have (on average 1.199426111908178) internal successors, (836), 708 states have internal predecessors, (836), 118 states have call successors, (118), 35 states have call predecessors, (118), 35 states have return successors, (118), 107 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-20 08:50:26,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 1072 transitions. [2024-11-20 08:50:26,756 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 1072 transitions. Word has length 151 [2024-11-20 08:50:26,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:50:26,756 INFO L471 AbstractCegarLoop]: Abstraction has 851 states and 1072 transitions. [2024-11-20 08:50:26,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:50:26,756 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1072 transitions. [2024-11-20 08:50:26,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-20 08:50:26,757 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:50:26,758 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:50:26,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-20 08:50:26,758 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:50:26,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:50:26,758 INFO L85 PathProgramCache]: Analyzing trace with hash 486318856, now seen corresponding path program 1 times [2024-11-20 08:50:26,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:50:26,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757851293] [2024-11-20 08:50:26,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:50:26,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:50:26,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:50:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:50:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:50:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:50:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:50:26,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:50:26,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:50:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:50:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:50:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:50:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:50:26,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:50:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:50:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:50:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:50:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:50:26,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:50:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:50:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:50:26,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:26,971 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:50:26,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:50:26,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757851293] [2024-11-20 08:50:26,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757851293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:50:26,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:50:26,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 08:50:26,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178345168] [2024-11-20 08:50:26,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:50:26,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 08:50:26,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:50:26,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 08:50:26,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 08:50:26,973 INFO L87 Difference]: Start difference. First operand 851 states and 1072 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:50:27,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:50:27,124 INFO L93 Difference]: Finished difference Result 1592 states and 2006 transitions. [2024-11-20 08:50:27,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 08:50:27,125 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 151 [2024-11-20 08:50:27,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:50:27,128 INFO L225 Difference]: With dead ends: 1592 [2024-11-20 08:50:27,128 INFO L226 Difference]: Without dead ends: 763 [2024-11-20 08:50:27,129 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-20 08:50:27,130 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 112 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 08:50:27,130 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 778 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 08:50:27,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2024-11-20 08:50:27,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 684. [2024-11-20 08:50:27,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 575 states have (on average 1.2139130434782608) internal successors, (698), 583 states have internal predecessors, (698), 83 states have call successors, (83), 25 states have call predecessors, (83), 25 states have return successors, (83), 75 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-20 08:50:27,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 864 transitions. [2024-11-20 08:50:27,210 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 864 transitions. Word has length 151 [2024-11-20 08:50:27,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:50:27,211 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 864 transitions. [2024-11-20 08:50:27,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:50:27,211 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 864 transitions. [2024-11-20 08:50:27,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-20 08:50:27,212 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:50:27,212 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:50:27,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-20 08:50:27,212 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:50:27,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:50:27,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1202624886, now seen corresponding path program 1 times [2024-11-20 08:50:27,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:50:27,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910064317] [2024-11-20 08:50:27,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:50:27,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:50:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:27,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:50:27,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:27,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:50:27,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:27,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:50:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:27,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:50:27,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:27,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:50:27,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:27,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:50:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:27,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:50:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:27,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:50:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:27,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:50:27,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:27,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:50:27,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:27,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:50:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:27,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:50:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:27,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:50:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:27,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:50:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:27,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:50:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:27,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:50:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:27,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:50:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:27,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:50:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:27,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:50:27,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:27,395 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:50:27,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:50:27,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910064317] [2024-11-20 08:50:27,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910064317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:50:27,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:50:27,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 08:50:27,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810783356] [2024-11-20 08:50:27,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:50:27,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 08:50:27,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:50:27,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 08:50:27,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 08:50:27,397 INFO L87 Difference]: Start difference. First operand 684 states and 864 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:50:27,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:50:27,566 INFO L93 Difference]: Finished difference Result 1365 states and 1723 transitions. [2024-11-20 08:50:27,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 08:50:27,567 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 151 [2024-11-20 08:50:27,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:50:27,570 INFO L225 Difference]: With dead ends: 1365 [2024-11-20 08:50:27,570 INFO L226 Difference]: Without dead ends: 684 [2024-11-20 08:50:27,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-20 08:50:27,573 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 167 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 679 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 08:50:27,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 679 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 08:50:27,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2024-11-20 08:50:27,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 673. [2024-11-20 08:50:27,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 564 states have (on average 1.2092198581560283) internal successors, (682), 572 states have internal predecessors, (682), 83 states have call successors, (83), 25 states have call predecessors, (83), 25 states have return successors, (83), 75 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-20 08:50:27,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 848 transitions. [2024-11-20 08:50:27,629 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 848 transitions. Word has length 151 [2024-11-20 08:50:27,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:50:27,629 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 848 transitions. [2024-11-20 08:50:27,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:50:27,629 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 848 transitions. [2024-11-20 08:50:27,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-20 08:50:27,630 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:50:27,630 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:50:27,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-20 08:50:27,631 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:50:27,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:50:27,631 INFO L85 PathProgramCache]: Analyzing trace with hash 962728194, now seen corresponding path program 1 times [2024-11-20 08:50:27,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:50:27,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152395655] [2024-11-20 08:50:27,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:50:27,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:50:27,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:28,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:50:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:28,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:50:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:28,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:50:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:28,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:50:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:28,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:50:28,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:28,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:50:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:28,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:50:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:28,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:50:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:28,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:50:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:28,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:50:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:28,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:50:28,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:28,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:50:28,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:28,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:50:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:28,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:50:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:28,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:50:28,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:28,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:50:28,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:28,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:50:28,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:28,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:50:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:28,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:50:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:28,146 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:50:28,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:50:28,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152395655] [2024-11-20 08:50:28,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152395655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:50:28,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:50:28,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 08:50:28,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56917493] [2024-11-20 08:50:28,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:50:28,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 08:50:28,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:50:28,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 08:50:28,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-20 08:50:28,148 INFO L87 Difference]: Start difference. First operand 673 states and 848 transitions. Second operand has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:50:28,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:50:28,596 INFO L93 Difference]: Finished difference Result 1405 states and 1767 transitions. [2024-11-20 08:50:28,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 08:50:28,597 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 152 [2024-11-20 08:50:28,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:50:28,600 INFO L225 Difference]: With dead ends: 1405 [2024-11-20 08:50:28,600 INFO L226 Difference]: Without dead ends: 735 [2024-11-20 08:50:28,601 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2024-11-20 08:50:28,602 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 66 mSDsluCounter, 1211 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 1368 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 08:50:28,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 1368 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 08:50:28,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2024-11-20 08:50:28,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 681. [2024-11-20 08:50:28,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 681 states, 572 states have (on average 1.2080419580419581) internal successors, (691), 580 states have internal predecessors, (691), 83 states have call successors, (83), 25 states have call predecessors, (83), 25 states have return successors, (83), 75 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-20 08:50:28,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 857 transitions. [2024-11-20 08:50:28,655 INFO L78 Accepts]: Start accepts. Automaton has 681 states and 857 transitions. Word has length 152 [2024-11-20 08:50:28,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:50:28,656 INFO L471 AbstractCegarLoop]: Abstraction has 681 states and 857 transitions. [2024-11-20 08:50:28,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:50:28,656 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 857 transitions. [2024-11-20 08:50:28,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-20 08:50:28,657 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:50:28,657 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:50:28,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-20 08:50:28,657 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:50:28,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:50:28,658 INFO L85 PathProgramCache]: Analyzing trace with hash -317135484, now seen corresponding path program 1 times [2024-11-20 08:50:28,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:50:28,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718041680] [2024-11-20 08:50:28,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:50:28,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:50:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:50:29,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:50:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:50:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:50:29,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:50:29,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:50:29,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:50:29,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:50:29,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:50:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:50:29,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:50:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:50:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:50:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:50:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:50:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:50:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:50:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:50:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:50:29,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,026 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:50:29,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:50:29,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718041680] [2024-11-20 08:50:29,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718041680] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:50:29,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:50:29,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 08:50:29,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975638799] [2024-11-20 08:50:29,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:50:29,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 08:50:29,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:50:29,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 08:50:29,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-20 08:50:29,028 INFO L87 Difference]: Start difference. First operand 681 states and 857 transitions. Second operand has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:50:29,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:50:29,372 INFO L93 Difference]: Finished difference Result 1423 states and 1786 transitions. [2024-11-20 08:50:29,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 08:50:29,372 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 152 [2024-11-20 08:50:29,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:50:29,375 INFO L225 Difference]: With dead ends: 1423 [2024-11-20 08:50:29,376 INFO L226 Difference]: Without dead ends: 745 [2024-11-20 08:50:29,377 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-20 08:50:29,377 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 196 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 08:50:29,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 628 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 08:50:29,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2024-11-20 08:50:29,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 673. [2024-11-20 08:50:29,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 564 states have (on average 1.2039007092198581) internal successors, (679), 572 states have internal predecessors, (679), 83 states have call successors, (83), 25 states have call predecessors, (83), 25 states have return successors, (83), 75 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-20 08:50:29,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 845 transitions. [2024-11-20 08:50:29,433 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 845 transitions. Word has length 152 [2024-11-20 08:50:29,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:50:29,433 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 845 transitions. [2024-11-20 08:50:29,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:50:29,434 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 845 transitions. [2024-11-20 08:50:29,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-20 08:50:29,435 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:50:29,435 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:50:29,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-20 08:50:29,435 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:50:29,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:50:29,435 INFO L85 PathProgramCache]: Analyzing trace with hash -839289728, now seen corresponding path program 1 times [2024-11-20 08:50:29,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:50:29,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561011349] [2024-11-20 08:50:29,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:50:29,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:50:29,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:50:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:50:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:50:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:50:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:50:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:50:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:50:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:50:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:50:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:50:29,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:50:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:50:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:50:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:50:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:50:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:50:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:50:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:50:29,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:50:29,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:29,801 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:50:29,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:50:29,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561011349] [2024-11-20 08:50:29,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561011349] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:50:29,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:50:29,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 08:50:29,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565813379] [2024-11-20 08:50:29,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:50:29,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 08:50:29,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:50:29,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 08:50:29,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-20 08:50:29,804 INFO L87 Difference]: Start difference. First operand 673 states and 845 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:50:30,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:50:30,076 INFO L93 Difference]: Finished difference Result 1415 states and 1773 transitions. [2024-11-20 08:50:30,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 08:50:30,077 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 152 [2024-11-20 08:50:30,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:50:30,081 INFO L225 Difference]: With dead ends: 1415 [2024-11-20 08:50:30,081 INFO L226 Difference]: Without dead ends: 745 [2024-11-20 08:50:30,082 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-20 08:50:30,082 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 54 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 816 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 08:50:30,084 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 816 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 08:50:30,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2024-11-20 08:50:30,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 673. [2024-11-20 08:50:30,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 564 states have (on average 1.200354609929078) internal successors, (677), 572 states have internal predecessors, (677), 83 states have call successors, (83), 25 states have call predecessors, (83), 25 states have return successors, (83), 75 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-20 08:50:30,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 843 transitions. [2024-11-20 08:50:30,146 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 843 transitions. Word has length 152 [2024-11-20 08:50:30,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:50:30,146 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 843 transitions. [2024-11-20 08:50:30,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:50:30,147 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 843 transitions. [2024-11-20 08:50:30,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-20 08:50:30,148 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:50:30,148 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:50:30,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-20 08:50:30,148 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:50:30,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:50:30,148 INFO L85 PathProgramCache]: Analyzing trace with hash -2119153406, now seen corresponding path program 1 times [2024-11-20 08:50:30,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:50:30,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501469971] [2024-11-20 08:50:30,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:50:30,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:50:30,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:30,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:50:30,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:30,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:50:30,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:30,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:50:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:30,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:50:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:30,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:50:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:30,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:50:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:30,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:50:30,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:30,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:50:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:30,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:50:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:30,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:50:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:30,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:50:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:30,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:50:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:30,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:50:30,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:30,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:50:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:30,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:50:30,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:30,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:50:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:30,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:50:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:30,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:50:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:30,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:50:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:30,472 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:50:30,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:50:30,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501469971] [2024-11-20 08:50:30,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501469971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:50:30,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:50:30,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 08:50:30,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591053443] [2024-11-20 08:50:30,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:50:30,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 08:50:30,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:50:30,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 08:50:30,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-20 08:50:30,473 INFO L87 Difference]: Start difference. First operand 673 states and 843 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:50:30,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:50:30,724 INFO L93 Difference]: Finished difference Result 1483 states and 1860 transitions. [2024-11-20 08:50:30,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 08:50:30,725 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 152 [2024-11-20 08:50:30,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:50:30,728 INFO L225 Difference]: With dead ends: 1483 [2024-11-20 08:50:30,728 INFO L226 Difference]: Without dead ends: 813 [2024-11-20 08:50:30,730 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-11-20 08:50:30,730 INFO L432 NwaCegarLoop]: 257 mSDtfsCounter, 119 mSDsluCounter, 1855 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 2112 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 08:50:30,730 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 2112 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 08:50:30,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2024-11-20 08:50:30,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 662. [2024-11-20 08:50:30,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 553 states have (on average 1.197106690777577) internal successors, (662), 561 states have internal predecessors, (662), 83 states have call successors, (83), 25 states have call predecessors, (83), 25 states have return successors, (83), 75 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-20 08:50:30,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 828 transitions. [2024-11-20 08:50:30,787 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 828 transitions. Word has length 152 [2024-11-20 08:50:30,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:50:30,787 INFO L471 AbstractCegarLoop]: Abstraction has 662 states and 828 transitions. [2024-11-20 08:50:30,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:50:30,788 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 828 transitions. [2024-11-20 08:50:30,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-20 08:50:30,789 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:50:30,789 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:50:30,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-20 08:50:30,789 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:50:30,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:50:30,789 INFO L85 PathProgramCache]: Analyzing trace with hash -2028771022, now seen corresponding path program 1 times [2024-11-20 08:50:30,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:50:30,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19510905] [2024-11-20 08:50:30,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:50:30,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:50:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:50:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:50:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:50:31,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:50:31,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:50:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:50:31,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:50:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:50:31,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:50:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:50:31,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:50:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:50:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:50:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:50:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:50:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:50:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:50:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:50:31,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:50:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,439 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:50:31,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:50:31,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19510905] [2024-11-20 08:50:31,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19510905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:50:31,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:50:31,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 08:50:31,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328597062] [2024-11-20 08:50:31,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:50:31,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 08:50:31,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:50:31,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 08:50:31,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-20 08:50:31,442 INFO L87 Difference]: Start difference. First operand 662 states and 828 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:50:31,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:50:31,722 INFO L93 Difference]: Finished difference Result 1089 states and 1351 transitions. [2024-11-20 08:50:31,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 08:50:31,723 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 152 [2024-11-20 08:50:31,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:50:31,727 INFO L225 Difference]: With dead ends: 1089 [2024-11-20 08:50:31,728 INFO L226 Difference]: Without dead ends: 1087 [2024-11-20 08:50:31,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-20 08:50:31,728 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 46 mSDsluCounter, 871 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 1005 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 08:50:31,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 1005 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 08:50:31,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1087 states. [2024-11-20 08:50:31,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1087 to 947. [2024-11-20 08:50:31,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 947 states, 835 states have (on average 1.2059880239520957) internal successors, (1007), 844 states have internal predecessors, (1007), 85 states have call successors, (85), 26 states have call predecessors, (85), 26 states have return successors, (85), 76 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-20 08:50:31,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1177 transitions. [2024-11-20 08:50:31,792 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1177 transitions. Word has length 152 [2024-11-20 08:50:31,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:50:31,792 INFO L471 AbstractCegarLoop]: Abstraction has 947 states and 1177 transitions. [2024-11-20 08:50:31,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:50:31,793 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1177 transitions. [2024-11-20 08:50:31,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-20 08:50:31,794 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:50:31,794 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:50:31,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-20 08:50:31,794 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:50:31,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:50:31,795 INFO L85 PathProgramCache]: Analyzing trace with hash -2026923980, now seen corresponding path program 1 times [2024-11-20 08:50:31,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:50:31,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552180460] [2024-11-20 08:50:31,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:50:31,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:50:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:50:31,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:50:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:50:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:50:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:50:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:50:31,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:50:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:50:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:50:31,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:50:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:50:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:50:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:50:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:50:31,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:50:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:50:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:50:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:50:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:50:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:31,949 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:50:31,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:50:31,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552180460] [2024-11-20 08:50:31,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552180460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:50:31,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:50:31,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 08:50:31,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074214230] [2024-11-20 08:50:31,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:50:31,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 08:50:31,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:50:31,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 08:50:31,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 08:50:31,951 INFO L87 Difference]: Start difference. First operand 947 states and 1177 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:50:32,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:50:32,089 INFO L93 Difference]: Finished difference Result 1947 states and 2419 transitions. [2024-11-20 08:50:32,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 08:50:32,089 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 152 [2024-11-20 08:50:32,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:50:32,095 INFO L225 Difference]: With dead ends: 1947 [2024-11-20 08:50:32,095 INFO L226 Difference]: Without dead ends: 1003 [2024-11-20 08:50:32,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-20 08:50:32,097 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 92 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 08:50:32,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 656 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 08:50:32,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2024-11-20 08:50:32,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 1002. [2024-11-20 08:50:32,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1002 states, 868 states have (on average 1.1774193548387097) internal successors, (1022), 878 states have internal predecessors, (1022), 102 states have call successors, (102), 31 states have call predecessors, (102), 31 states have return successors, (102), 92 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-20 08:50:32,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 1002 states and 1226 transitions. [2024-11-20 08:50:32,169 INFO L78 Accepts]: Start accepts. Automaton has 1002 states and 1226 transitions. Word has length 152 [2024-11-20 08:50:32,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:50:32,169 INFO L471 AbstractCegarLoop]: Abstraction has 1002 states and 1226 transitions. [2024-11-20 08:50:32,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:50:32,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1226 transitions. [2024-11-20 08:50:32,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-20 08:50:32,171 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:50:32,171 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:50:32,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-20 08:50:32,171 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:50:32,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:50:32,171 INFO L85 PathProgramCache]: Analyzing trace with hash -251916618, now seen corresponding path program 1 times [2024-11-20 08:50:32,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:50:32,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583821906] [2024-11-20 08:50:32,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:50:32,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:50:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:50:32,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:50:32,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:50:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:50:32,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:50:32,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:50:32,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:50:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:50:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:50:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:50:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:50:32,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:50:32,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:50:32,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:50:32,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:50:32,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:50:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:50:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:50:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:50:32,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,294 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:50:32,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:50:32,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583821906] [2024-11-20 08:50:32,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583821906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:50:32,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:50:32,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 08:50:32,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539945019] [2024-11-20 08:50:32,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:50:32,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 08:50:32,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:50:32,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 08:50:32,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 08:50:32,296 INFO L87 Difference]: Start difference. First operand 1002 states and 1226 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:50:32,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:50:32,378 INFO L93 Difference]: Finished difference Result 2004 states and 2457 transitions. [2024-11-20 08:50:32,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 08:50:32,378 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 152 [2024-11-20 08:50:32,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:50:32,383 INFO L225 Difference]: With dead ends: 2004 [2024-11-20 08:50:32,383 INFO L226 Difference]: Without dead ends: 1056 [2024-11-20 08:50:32,384 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 08:50:32,385 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 08:50:32,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 541 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 08:50:32,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2024-11-20 08:50:32,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 1056. [2024-11-20 08:50:32,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1056 states, 922 states have (on average 1.1670281995661604) internal successors, (1076), 932 states have internal predecessors, (1076), 102 states have call successors, (102), 31 states have call predecessors, (102), 31 states have return successors, (102), 92 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-20 08:50:32,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1280 transitions. [2024-11-20 08:50:32,459 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1280 transitions. Word has length 152 [2024-11-20 08:50:32,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:50:32,459 INFO L471 AbstractCegarLoop]: Abstraction has 1056 states and 1280 transitions. [2024-11-20 08:50:32,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:50:32,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1280 transitions. [2024-11-20 08:50:32,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-20 08:50:32,461 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:50:32,461 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:50:32,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-20 08:50:32,461 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:50:32,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:50:32,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1966731408, now seen corresponding path program 1 times [2024-11-20 08:50:32,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:50:32,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830222759] [2024-11-20 08:50:32,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:50:32,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:50:32,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:50:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:50:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:50:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:50:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:50:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:50:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:50:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:50:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:50:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:50:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:50:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:50:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:50:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:50:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:50:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:50:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:50:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:50:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:50:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:32,923 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:50:32,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:50:32,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830222759] [2024-11-20 08:50:32,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830222759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:50:32,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:50:32,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 08:50:32,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716964833] [2024-11-20 08:50:32,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:50:32,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 08:50:32,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:50:32,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 08:50:32,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-20 08:50:32,925 INFO L87 Difference]: Start difference. First operand 1056 states and 1280 transitions. Second operand has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:50:33,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:50:33,363 INFO L93 Difference]: Finished difference Result 2474 states and 2979 transitions. [2024-11-20 08:50:33,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 08:50:33,364 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 152 [2024-11-20 08:50:33,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:50:33,369 INFO L225 Difference]: With dead ends: 2474 [2024-11-20 08:50:33,369 INFO L226 Difference]: Without dead ends: 1472 [2024-11-20 08:50:33,371 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-20 08:50:33,371 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 186 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 08:50:33,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 610 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 08:50:33,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1472 states. [2024-11-20 08:50:33,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1472 to 1238. [2024-11-20 08:50:33,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1238 states, 1104 states have (on average 1.1576086956521738) internal successors, (1278), 1114 states have internal predecessors, (1278), 102 states have call successors, (102), 31 states have call predecessors, (102), 31 states have return successors, (102), 92 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-20 08:50:33,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 1238 states and 1482 transitions. [2024-11-20 08:50:33,498 INFO L78 Accepts]: Start accepts. Automaton has 1238 states and 1482 transitions. Word has length 152 [2024-11-20 08:50:33,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:50:33,499 INFO L471 AbstractCegarLoop]: Abstraction has 1238 states and 1482 transitions. [2024-11-20 08:50:33,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:50:33,499 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 1482 transitions. [2024-11-20 08:50:33,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-20 08:50:33,501 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:50:33,501 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:50:33,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-20 08:50:33,501 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:50:33,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:50:33,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1265666830, now seen corresponding path program 1 times [2024-11-20 08:50:33,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:50:33,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573423563] [2024-11-20 08:50:33,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:50:33,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:50:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:34,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:50:34,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:34,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:50:34,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:34,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:50:34,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:34,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:50:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:34,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:50:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:34,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:50:34,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:34,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:50:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:34,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:50:34,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:34,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:50:34,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:34,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:50:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:34,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:50:34,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:34,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:50:34,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:34,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:50:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:34,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:50:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:34,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:50:34,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:34,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:50:34,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:34,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:50:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:34,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:50:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:34,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:50:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:34,119 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:50:34,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:50:34,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573423563] [2024-11-20 08:50:34,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573423563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:50:34,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:50:34,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 08:50:34,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731791741] [2024-11-20 08:50:34,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:50:34,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 08:50:34,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:50:34,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 08:50:34,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-20 08:50:34,122 INFO L87 Difference]: Start difference. First operand 1238 states and 1482 transitions. Second operand has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:50:34,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:50:34,515 INFO L93 Difference]: Finished difference Result 1274 states and 1526 transitions. [2024-11-20 08:50:34,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 08:50:34,518 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 152 [2024-11-20 08:50:34,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:50:34,522 INFO L225 Difference]: With dead ends: 1274 [2024-11-20 08:50:34,523 INFO L226 Difference]: Without dead ends: 1272 [2024-11-20 08:50:34,523 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-11-20 08:50:34,524 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 179 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 08:50:34,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 700 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 08:50:34,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2024-11-20 08:50:34,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 898. [2024-11-20 08:50:34,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 898 states, 774 states have (on average 1.1614987080103358) internal successors, (899), 782 states have internal predecessors, (899), 94 states have call successors, (94), 29 states have call predecessors, (94), 29 states have return successors, (94), 86 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-20 08:50:34,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 898 states and 1087 transitions. [2024-11-20 08:50:34,626 INFO L78 Accepts]: Start accepts. Automaton has 898 states and 1087 transitions. Word has length 152 [2024-11-20 08:50:34,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:50:34,626 INFO L471 AbstractCegarLoop]: Abstraction has 898 states and 1087 transitions. [2024-11-20 08:50:34,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:50:34,626 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1087 transitions. [2024-11-20 08:50:34,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-20 08:50:34,627 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:50:34,628 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:50:34,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-20 08:50:34,628 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:50:34,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:50:34,628 INFO L85 PathProgramCache]: Analyzing trace with hash -2021980645, now seen corresponding path program 1 times [2024-11-20 08:50:34,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:50:34,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735462960] [2024-11-20 08:50:34,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:50:34,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:50:34,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:35,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:50:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:35,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:50:35,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:35,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:50:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:35,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:50:35,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:35,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:50:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:35,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:50:35,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:35,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:50:35,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:35,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:50:35,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:35,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:50:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:35,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:50:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:35,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:50:35,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:35,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:50:35,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:35,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:50:35,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:35,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:50:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:35,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:50:35,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:35,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:50:35,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:35,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:50:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:35,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:50:35,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:35,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:50:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:35,348 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:50:35,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:50:35,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735462960] [2024-11-20 08:50:35,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735462960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:50:35,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:50:35,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 08:50:35,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839478569] [2024-11-20 08:50:35,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:50:35,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 08:50:35,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:50:35,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 08:50:35,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-20 08:50:35,350 INFO L87 Difference]: Start difference. First operand 898 states and 1087 transitions. Second operand has 11 states, 10 states have (on average 6.2) internal successors, (62), 11 states have internal predecessors, (62), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:50:35,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:50:35,935 INFO L93 Difference]: Finished difference Result 2140 states and 2564 transitions. [2024-11-20 08:50:35,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 08:50:35,936 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.2) internal successors, (62), 11 states have internal predecessors, (62), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 154 [2024-11-20 08:50:35,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:50:35,943 INFO L225 Difference]: With dead ends: 2140 [2024-11-20 08:50:35,943 INFO L226 Difference]: Without dead ends: 1296 [2024-11-20 08:50:35,945 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2024-11-20 08:50:35,946 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 237 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 08:50:35,946 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 641 Invalid, 496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 08:50:35,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2024-11-20 08:50:36,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 1054. [2024-11-20 08:50:36,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1054 states, 930 states have (on average 1.1473118279569892) internal successors, (1067), 938 states have internal predecessors, (1067), 94 states have call successors, (94), 29 states have call predecessors, (94), 29 states have return successors, (94), 86 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-20 08:50:36,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1255 transitions. [2024-11-20 08:50:36,037 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 1255 transitions. Word has length 154 [2024-11-20 08:50:36,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:50:36,037 INFO L471 AbstractCegarLoop]: Abstraction has 1054 states and 1255 transitions. [2024-11-20 08:50:36,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.2) internal successors, (62), 11 states have internal predecessors, (62), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:50:36,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1255 transitions. [2024-11-20 08:50:36,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-20 08:50:36,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:50:36,039 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:50:36,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-20 08:50:36,039 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:50:36,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:50:36,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1686180637, now seen corresponding path program 1 times [2024-11-20 08:50:36,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:50:36,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825295581] [2024-11-20 08:50:36,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:50:36,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:50:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:36,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:50:36,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:36,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:50:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:36,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:50:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:36,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:50:36,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:36,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:50:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:36,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:50:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:36,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:50:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:36,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:50:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:36,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:50:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:36,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:50:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:36,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:50:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:36,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:50:36,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:36,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:50:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:36,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:50:36,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:36,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:50:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:36,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:50:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:36,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:50:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:36,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:50:36,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:36,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:50:36,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:36,883 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:50:36,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:50:36,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825295581] [2024-11-20 08:50:36,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825295581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:50:36,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:50:36,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-20 08:50:36,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055896639] [2024-11-20 08:50:36,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:50:36,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 08:50:36,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:50:36,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 08:50:36,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-11-20 08:50:36,886 INFO L87 Difference]: Start difference. First operand 1054 states and 1255 transitions. Second operand has 14 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 6 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 6 states have call successors, (19) [2024-11-20 08:50:37,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:50:37,839 INFO L93 Difference]: Finished difference Result 2214 states and 2619 transitions. [2024-11-20 08:50:37,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 08:50:37,840 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 6 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 6 states have call successors, (19) Word has length 154 [2024-11-20 08:50:37,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:50:37,845 INFO L225 Difference]: With dead ends: 2214 [2024-11-20 08:50:37,845 INFO L226 Difference]: Without dead ends: 1214 [2024-11-20 08:50:37,846 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2024-11-20 08:50:37,847 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 350 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 08:50:37,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 732 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 08:50:37,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1214 states. [2024-11-20 08:50:37,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1214 to 1054. [2024-11-20 08:50:37,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1054 states, 930 states have (on average 1.1473118279569892) internal successors, (1067), 938 states have internal predecessors, (1067), 94 states have call successors, (94), 29 states have call predecessors, (94), 29 states have return successors, (94), 86 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-20 08:50:37,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1255 transitions. [2024-11-20 08:50:37,928 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 1255 transitions. Word has length 154 [2024-11-20 08:50:37,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:50:37,928 INFO L471 AbstractCegarLoop]: Abstraction has 1054 states and 1255 transitions. [2024-11-20 08:50:37,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 6 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 6 states have call successors, (19) [2024-11-20 08:50:37,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1255 transitions. [2024-11-20 08:50:37,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-20 08:50:37,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:50:37,930 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:50:37,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-20 08:50:37,930 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:50:37,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:50:37,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1176707547, now seen corresponding path program 1 times [2024-11-20 08:50:37,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:50:37,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608734920] [2024-11-20 08:50:37,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:50:37,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:50:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:38,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:50:38,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:38,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:50:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:38,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:50:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:38,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:50:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:38,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:50:38,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:38,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:50:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:38,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:50:38,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:38,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:50:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:38,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:50:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:38,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:50:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:38,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:50:38,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:38,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:50:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:38,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:50:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:38,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:50:38,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:38,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:50:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:38,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:50:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:38,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:50:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:38,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:50:38,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:38,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:50:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:38,474 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:50:38,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:50:38,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608734920] [2024-11-20 08:50:38,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608734920] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:50:38,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:50:38,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 08:50:38,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521143650] [2024-11-20 08:50:38,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:50:38,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 08:50:38,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:50:38,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 08:50:38,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-20 08:50:38,476 INFO L87 Difference]: Start difference. First operand 1054 states and 1255 transitions. Second operand has 11 states, 10 states have (on average 6.2) internal successors, (62), 11 states have internal predecessors, (62), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:50:39,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:50:39,301 INFO L93 Difference]: Finished difference Result 2426 states and 2843 transitions. [2024-11-20 08:50:39,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 08:50:39,301 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.2) internal successors, (62), 11 states have internal predecessors, (62), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 154 [2024-11-20 08:50:39,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:50:39,306 INFO L225 Difference]: With dead ends: 2426 [2024-11-20 08:50:39,306 INFO L226 Difference]: Without dead ends: 1426 [2024-11-20 08:50:39,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2024-11-20 08:50:39,308 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 166 mSDsluCounter, 768 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 929 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 08:50:39,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 929 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 08:50:39,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2024-11-20 08:50:39,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1337. [2024-11-20 08:50:39,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1337 states, 1183 states have (on average 1.1191885038038885) internal successors, (1324), 1196 states have internal predecessors, (1324), 114 states have call successors, (114), 39 states have call predecessors, (114), 39 states have return successors, (114), 101 states have call predecessors, (114), 114 states have call successors, (114) [2024-11-20 08:50:39,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 1337 states and 1552 transitions. [2024-11-20 08:50:39,436 INFO L78 Accepts]: Start accepts. Automaton has 1337 states and 1552 transitions. Word has length 154 [2024-11-20 08:50:39,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:50:39,436 INFO L471 AbstractCegarLoop]: Abstraction has 1337 states and 1552 transitions. [2024-11-20 08:50:39,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.2) internal successors, (62), 11 states have internal predecessors, (62), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:50:39,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 1552 transitions. [2024-11-20 08:50:39,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-20 08:50:39,439 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:50:39,439 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:50:39,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-20 08:50:39,439 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:50:39,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:50:39,440 INFO L85 PathProgramCache]: Analyzing trace with hash 747728046, now seen corresponding path program 1 times [2024-11-20 08:50:39,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:50:39,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399691330] [2024-11-20 08:50:39,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:50:39,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:50:39,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 08:50:39,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1985469173] [2024-11-20 08:50:39,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:50:39,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 08:50:39,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 08:50:39,582 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 08:50:39,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 08:50:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:40,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-20 08:50:40,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 08:50:40,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-20 08:50:40,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-20 08:50:40,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-20 08:50:40,923 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 51 treesize of output 43 [2024-11-20 08:50:40,934 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 54 treesize of output 34 [2024-11-20 08:50:40,941 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 [2024-11-20 08:50:40,948 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 23 [2024-11-20 08:50:40,984 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 504 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-20 08:50:40,985 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 08:50:41,721 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:50:41,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:50:41,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399691330] [2024-11-20 08:50:41,722 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 08:50:41,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985469173] [2024-11-20 08:50:41,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1985469173] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-20 08:50:41,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 08:50:41,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 10 [2024-11-20 08:50:41,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612070588] [2024-11-20 08:50:41,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:50:41,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 08:50:41,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:50:41,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 08:50:41,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-20 08:50:41,723 INFO L87 Difference]: Start difference. First operand 1337 states and 1552 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:50:42,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:50:42,961 INFO L93 Difference]: Finished difference Result 3226 states and 3705 transitions. [2024-11-20 08:50:42,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 08:50:42,962 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 155 [2024-11-20 08:50:42,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:50:42,967 INFO L225 Difference]: With dead ends: 3226 [2024-11-20 08:50:42,967 INFO L226 Difference]: Without dead ends: 1943 [2024-11-20 08:50:42,970 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 299 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-20 08:50:42,970 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 96 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-20 08:50:42,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 420 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-20 08:50:42,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1943 states. [2024-11-20 08:50:43,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1943 to 1698. [2024-11-20 08:50:43,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1698 states, 1543 states have (on average 1.1134154244977317) internal successors, (1718), 1556 states have internal predecessors, (1718), 114 states have call successors, (114), 40 states have call predecessors, (114), 40 states have return successors, (114), 101 states have call predecessors, (114), 114 states have call successors, (114) [2024-11-20 08:50:43,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 1698 states and 1946 transitions. [2024-11-20 08:50:43,117 INFO L78 Accepts]: Start accepts. Automaton has 1698 states and 1946 transitions. Word has length 155 [2024-11-20 08:50:43,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:50:43,117 INFO L471 AbstractCegarLoop]: Abstraction has 1698 states and 1946 transitions. [2024-11-20 08:50:43,117 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:50:43,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1698 states and 1946 transitions. [2024-11-20 08:50:43,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-20 08:50:43,120 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:50:43,120 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:50:43,132 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 08:50:43,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-11-20 08:50:43,321 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:50:43,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:50:43,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1448792624, now seen corresponding path program 1 times [2024-11-20 08:50:43,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:50:43,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167941505] [2024-11-20 08:50:43,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:50:43,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:50:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:43,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:50:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:43,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:50:43,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:43,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:50:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:43,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:50:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:43,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:50:43,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:43,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:50:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:43,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:50:43,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:43,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:50:43,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:43,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:50:43,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:43,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:50:43,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:43,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:50:43,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:43,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:50:43,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:43,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:50:43,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:43,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:50:43,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:43,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:50:43,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:43,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:50:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:43,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:50:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:43,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:50:43,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:43,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:50:43,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:43,464 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:50:43,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:50:43,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167941505] [2024-11-20 08:50:43,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167941505] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:50:43,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:50:43,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 08:50:43,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414353918] [2024-11-20 08:50:43,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:50:43,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 08:50:43,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:50:43,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 08:50:43,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 08:50:43,466 INFO L87 Difference]: Start difference. First operand 1698 states and 1946 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:50:43,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:50:43,645 INFO L93 Difference]: Finished difference Result 3345 states and 3832 transitions. [2024-11-20 08:50:43,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 08:50:43,645 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 155 [2024-11-20 08:50:43,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:50:43,649 INFO L225 Difference]: With dead ends: 3345 [2024-11-20 08:50:43,649 INFO L226 Difference]: Without dead ends: 1705 [2024-11-20 08:50:43,651 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 08:50:43,651 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 08:50:43,652 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 671 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 08:50:43,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1705 states. [2024-11-20 08:50:43,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1705 to 1666. [2024-11-20 08:50:43,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1666 states, 1511 states have (on average 1.1091992058239577) internal successors, (1676), 1524 states have internal predecessors, (1676), 114 states have call successors, (114), 40 states have call predecessors, (114), 40 states have return successors, (114), 101 states have call predecessors, (114), 114 states have call successors, (114) [2024-11-20 08:50:43,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1666 states and 1904 transitions. [2024-11-20 08:50:43,789 INFO L78 Accepts]: Start accepts. Automaton has 1666 states and 1904 transitions. Word has length 155 [2024-11-20 08:50:43,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:50:43,789 INFO L471 AbstractCegarLoop]: Abstraction has 1666 states and 1904 transitions. [2024-11-20 08:50:43,789 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:50:43,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 1904 transitions. [2024-11-20 08:50:43,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-20 08:50:43,792 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:50:43,792 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:50:43,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-20 08:50:43,792 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:50:43,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:50:43,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1175499988, now seen corresponding path program 1 times [2024-11-20 08:50:43,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:50:43,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415296894] [2024-11-20 08:50:43,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:50:43,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:50:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:44,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:50:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:44,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:50:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:44,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:50:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:44,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:50:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:44,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:50:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:44,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:50:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:44,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:50:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:44,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:50:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:44,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:50:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:44,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:50:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:44,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:50:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:44,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:50:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:44,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:50:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:44,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:50:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:44,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:50:44,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:44,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:50:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:44,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:50:44,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:44,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:50:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:44,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:50:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:50:44,068 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:50:44,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:50:44,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415296894] [2024-11-20 08:50:44,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415296894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:50:44,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:50:44,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 08:50:44,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158362395] [2024-11-20 08:50:44,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:50:44,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 08:50:44,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:50:44,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 08:50:44,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-20 08:50:44,070 INFO L87 Difference]: Start difference. First operand 1666 states and 1904 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:50:44,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:50:44,414 INFO L93 Difference]: Finished difference Result 4449 states and 5085 transitions. [2024-11-20 08:50:44,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 08:50:44,415 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 155 [2024-11-20 08:50:44,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:50:44,417 INFO L225 Difference]: With dead ends: 4449 [2024-11-20 08:50:44,417 INFO L226 Difference]: Without dead ends: 0 [2024-11-20 08:50:44,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-20 08:50:44,421 INFO L432 NwaCegarLoop]: 262 mSDtfsCounter, 119 mSDsluCounter, 1145 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 1407 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 08:50:44,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 1407 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 08:50:44,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-20 08:50:44,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-20 08:50:44,423 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) [2024-11-20 08:50:44,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-20 08:50:44,425 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2024-11-20 08:50:44,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:50:44,425 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-20 08:50:44,425 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:50:44,425 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-20 08:50:44,425 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-20 08:50:44,428 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-20 08:50:44,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-20 08:50:44,432 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] [2024-11-20 08:50:44,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.