./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-ap_file-85.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-85.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a747c3e70b2dac762cd875ff4c6b8c1b6f4dc1a373b46f7848c57180a86a2166 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 13:32:26,676 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 13:32:26,739 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 13:32:26,744 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 13:32:26,745 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 13:32:26,768 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 13:32:26,768 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 13:32:26,769 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 13:32:26,769 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 13:32:26,770 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 13:32:26,770 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 13:32:26,771 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 13:32:26,772 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 13:32:26,772 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 13:32:26,773 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 13:32:26,774 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 13:32:26,774 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 13:32:26,774 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 13:32:26,774 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 13:32:26,775 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 13:32:26,775 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 13:32:26,775 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 13:32:26,778 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 13:32:26,778 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 13:32:26,779 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 13:32:26,779 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 13:32:26,779 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 13:32:26,779 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 13:32:26,780 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 13:32:26,780 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 13:32:26,780 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 13:32:26,780 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 13:32:26,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 13:32:26,780 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 13:32:26,780 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 13:32:26,781 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 13:32:26,781 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 13:32:26,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 13:32:26,781 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 13:32:26,781 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 13:32:26,781 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 13:32:26,783 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 13:32:26,783 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a747c3e70b2dac762cd875ff4c6b8c1b6f4dc1a373b46f7848c57180a86a2166 [2024-10-11 13:32:27,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 13:32:27,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 13:32:27,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 13:32:27,032 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 13:32:27,033 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 13:32:27,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-85.i [2024-10-11 13:32:28,310 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 13:32:28,475 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 13:32:28,475 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-85.i [2024-10-11 13:32:28,482 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/c727d45b4/4db5e6081d854362bbdd216cd0b7b601/FLAG7f1474f35 [2024-10-11 13:32:28,495 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/c727d45b4/4db5e6081d854362bbdd216cd0b7b601 [2024-10-11 13:32:28,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 13:32:28,498 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 13:32:28,501 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 13:32:28,501 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 13:32:28,505 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 13:32:28,507 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 01:32:28" (1/1) ... [2024-10-11 13:32:28,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3687ad7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:32:28, skipping insertion in model container [2024-10-11 13:32:28,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 01:32:28" (1/1) ... [2024-10-11 13:32:28,538 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 13:32:28,671 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-85.i[917,930] [2024-10-11 13:32:28,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 13:32:28,739 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 13:32:28,748 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-85.i[917,930] [2024-10-11 13:32:28,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 13:32:28,800 INFO L204 MainTranslator]: Completed translation [2024-10-11 13:32:28,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:32:28 WrapperNode [2024-10-11 13:32:28,801 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 13:32:28,802 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 13:32:28,803 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 13:32:28,803 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 13:32:28,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:32:28" (1/1) ... [2024-10-11 13:32:28,818 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:32:28" (1/1) ... [2024-10-11 13:32:28,853 INFO L138 Inliner]: procedures = 26, calls = 178, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 537 [2024-10-11 13:32:28,853 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 13:32:28,854 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 13:32:28,854 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 13:32:28,854 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 13:32:28,864 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:32:28" (1/1) ... [2024-10-11 13:32:28,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:32:28" (1/1) ... [2024-10-11 13:32:28,868 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:32:28" (1/1) ... [2024-10-11 13:32:28,891 INFO L175 MemorySlicer]: Split 139 memory accesses to 6 slices as follows [2, 69, 25, 7, 29, 7]. 50 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 10, 3, 1, 2, 1]. The 22 writes are split as follows [0, 12, 4, 3, 2, 1]. [2024-10-11 13:32:28,891 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:32:28" (1/1) ... [2024-10-11 13:32:28,892 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:32:28" (1/1) ... [2024-10-11 13:32:28,909 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:32:28" (1/1) ... [2024-10-11 13:32:28,913 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:32:28" (1/1) ... [2024-10-11 13:32:28,915 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:32:28" (1/1) ... [2024-10-11 13:32:28,918 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:32:28" (1/1) ... [2024-10-11 13:32:28,924 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 13:32:28,925 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 13:32:28,925 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 13:32:28,926 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 13:32:28,926 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:32:28" (1/1) ... [2024-10-11 13:32:28,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 13:32:28,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 13:32:28,958 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 13:32:28,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 13:32:29,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 13:32:29,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 13:32:29,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 13:32:29,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 13:32:29,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 13:32:29,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 13:32:29,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 13:32:29,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 13:32:29,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 13:32:29,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 13:32:29,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 13:32:29,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 13:32:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 13:32:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 13:32:29,007 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 13:32:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 13:32:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 13:32:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 13:32:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 13:32:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 13:32:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 13:32:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 13:32:29,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 13:32:29,140 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 13:32:29,142 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 13:32:29,737 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-10-11 13:32:29,738 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 13:32:29,769 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 13:32:29,769 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 13:32:29,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 01:32:29 BoogieIcfgContainer [2024-10-11 13:32:29,770 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 13:32:29,772 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 13:32:29,772 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 13:32:29,775 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 13:32:29,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 01:32:28" (1/3) ... [2024-10-11 13:32:29,776 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@376ae5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 01:32:29, skipping insertion in model container [2024-10-11 13:32:29,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:32:28" (2/3) ... [2024-10-11 13:32:29,777 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@376ae5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 01:32:29, skipping insertion in model container [2024-10-11 13:32:29,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 01:32:29" (3/3) ... [2024-10-11 13:32:29,778 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-85.i [2024-10-11 13:32:29,794 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 13:32:29,794 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 13:32:29,861 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 13:32:29,870 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;@45ac1eb7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 13:32:29,870 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 13:32:29,875 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 98 states have (on average 1.4081632653061225) internal successors, (138), 99 states have internal predecessors, (138), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 13:32:29,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-10-11 13:32:29,890 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:32:29,891 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:32:29,892 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:32:29,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:32:29,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1189087437, now seen corresponding path program 1 times [2024-10-11 13:32:29,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:32:29,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276403776] [2024-10-11 13:32:29,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:32:29,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:32:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:30,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:32:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:30,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:32:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:30,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:32:30,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:30,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:32:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:30,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:32:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:30,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:32:30,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:30,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:32:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:30,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:32:30,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:30,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:32:30,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:30,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:32:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:30,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:32:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:30,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:32:30,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:30,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:32:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:30,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:32:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:30,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:32:30,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:30,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:32:30,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:30,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:32:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:30,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:32:30,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:30,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:32:30,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:30,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:32:30,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:30,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:32:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:30,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:32:30,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:30,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:32:30,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:30,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:32:30,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:32:30,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276403776] [2024-10-11 13:32:30,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276403776] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:32:30,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:32:30,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 13:32:30,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088552834] [2024-10-11 13:32:30,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:32:30,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 13:32:30,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:32:30,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 13:32:30,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 13:32:30,390 INFO L87 Difference]: Start difference. First operand has 124 states, 98 states have (on average 1.4081632653061225) internal successors, (138), 99 states have internal predecessors, (138), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-11 13:32:30,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:32:30,433 INFO L93 Difference]: Finished difference Result 245 states and 389 transitions. [2024-10-11 13:32:30,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 13:32:30,435 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 174 [2024-10-11 13:32:30,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:32:30,443 INFO L225 Difference]: With dead ends: 245 [2024-10-11 13:32:30,443 INFO L226 Difference]: Without dead ends: 122 [2024-10-11 13:32:30,448 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 13:32:30,455 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 13:32:30,456 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 175 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 13:32:30,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-10-11 13:32:30,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-10-11 13:32:30,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 97 states have (on average 1.3711340206185567) internal successors, (133), 97 states have internal predecessors, (133), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 13:32:30,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 179 transitions. [2024-10-11 13:32:30,505 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 179 transitions. Word has length 174 [2024-10-11 13:32:30,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:32:30,506 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 179 transitions. [2024-10-11 13:32:30,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-11 13:32:30,506 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 179 transitions. [2024-10-11 13:32:30,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-10-11 13:32:30,510 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:32:30,510 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:32:30,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 13:32:30,510 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:32:30,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:32:30,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1729199905, now seen corresponding path program 1 times [2024-10-11 13:32:30,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:32:30,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428418076] [2024-10-11 13:32:30,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:32:30,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:32:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:31,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:32:31,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:31,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:32:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:31,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:32:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:31,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:32:31,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:31,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:32:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:31,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:32:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:31,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:32:31,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:31,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:32:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:31,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:32:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:31,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:32:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:31,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:32:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:31,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:32:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:31,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:32:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:31,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:32:31,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:31,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:32:31,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:31,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:32:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:31,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:32:32,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:32,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:32:32,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:32,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:32:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:32,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:32:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:32,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:32:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:32,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:32:32,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:32,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:32:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:32,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:32:32,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:32:32,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428418076] [2024-10-11 13:32:32,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428418076] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:32:32,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:32:32,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 13:32:32,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543606786] [2024-10-11 13:32:32,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:32:32,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 13:32:32,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:32:32,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 13:32:32,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-11 13:32:32,056 INFO L87 Difference]: Start difference. First operand 122 states and 179 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:32,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:32:32,592 INFO L93 Difference]: Finished difference Result 306 states and 449 transitions. [2024-10-11 13:32:32,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 13:32:32,595 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 174 [2024-10-11 13:32:32,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:32:32,598 INFO L225 Difference]: With dead ends: 306 [2024-10-11 13:32:32,598 INFO L226 Difference]: Without dead ends: 185 [2024-10-11 13:32:32,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 48 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-10-11 13:32:32,602 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 359 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 13:32:32,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [359 Valid, 684 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 13:32:32,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-10-11 13:32:32,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 136. [2024-10-11 13:32:32,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 111 states have (on average 1.3783783783783783) internal successors, (153), 111 states have internal predecessors, (153), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 13:32:32,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 199 transitions. [2024-10-11 13:32:32,625 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 199 transitions. Word has length 174 [2024-10-11 13:32:32,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:32:32,627 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 199 transitions. [2024-10-11 13:32:32,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:32,627 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 199 transitions. [2024-10-11 13:32:32,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-11 13:32:32,634 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:32:32,634 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:32:32,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 13:32:32,634 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:32:32,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:32:32,635 INFO L85 PathProgramCache]: Analyzing trace with hash 454298374, now seen corresponding path program 1 times [2024-10-11 13:32:32,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:32:32,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145551528] [2024-10-11 13:32:32,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:32:32,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:32:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:32,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:32:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:32,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:32:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:32,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:32:32,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:32,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:32:32,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:32,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:32:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:32,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:32:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:32,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:32:32,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:32,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:32:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:32,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:32:32,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:32,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:32:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:32,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:32:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:32,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:32:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:32,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:32:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:32,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:32:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:32,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:32:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:32,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:32:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:32,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:32:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:32,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:32:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:32,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:32:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:32,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:32:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:32,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:32:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:32,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:32:32,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:32,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:32:32,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:32,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:32:32,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:32:32,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145551528] [2024-10-11 13:32:32,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145551528] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:32:32,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:32:32,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 13:32:32,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260664000] [2024-10-11 13:32:32,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:32:32,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 13:32:32,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:32:32,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 13:32:32,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 13:32:32,978 INFO L87 Difference]: Start difference. First operand 136 states and 199 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:33,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:32:33,124 INFO L93 Difference]: Finished difference Result 314 states and 459 transitions. [2024-10-11 13:32:33,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 13:32:33,124 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2024-10-11 13:32:33,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:32:33,126 INFO L225 Difference]: With dead ends: 314 [2024-10-11 13:32:33,126 INFO L226 Difference]: Without dead ends: 179 [2024-10-11 13:32:33,127 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 13:32:33,128 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 61 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 13:32:33,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 579 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 13:32:33,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-10-11 13:32:33,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 138. [2024-10-11 13:32:33,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 113 states have (on average 1.3716814159292035) internal successors, (155), 113 states have internal predecessors, (155), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-11 13:32:33,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 201 transitions. [2024-10-11 13:32:33,139 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 201 transitions. Word has length 175 [2024-10-11 13:32:33,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:32:33,139 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 201 transitions. [2024-10-11 13:32:33,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:33,140 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 201 transitions. [2024-10-11 13:32:33,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-11 13:32:33,142 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:32:33,142 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:32:33,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 13:32:33,143 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:32:33,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:32:33,143 INFO L85 PathProgramCache]: Analyzing trace with hash 326134607, now seen corresponding path program 1 times [2024-10-11 13:32:33,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:32:33,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140203266] [2024-10-11 13:32:33,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:32:33,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:32:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:33,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:32:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:33,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:32:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:33,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:32:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:33,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:32:33,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:33,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:32:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:33,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:32:33,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:33,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:32:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:33,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:32:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:33,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:32:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:33,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:32:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:33,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:32:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:33,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:32:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:33,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:32:33,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:33,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:32:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:33,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:32:33,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:33,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:32:33,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:33,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:32:33,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:33,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:32:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:33,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:32:33,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:33,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:32:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:33,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:32:33,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:33,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:32:33,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:33,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:32:33,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:33,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:32:33,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:32:33,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140203266] [2024-10-11 13:32:33,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140203266] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:32:33,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:32:33,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 13:32:33,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572593456] [2024-10-11 13:32:33,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:32:33,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 13:32:33,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:32:33,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 13:32:33,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 13:32:33,719 INFO L87 Difference]: Start difference. First operand 138 states and 201 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:34,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:32:34,129 INFO L93 Difference]: Finished difference Result 474 states and 686 transitions. [2024-10-11 13:32:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 13:32:34,130 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2024-10-11 13:32:34,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:32:34,133 INFO L225 Difference]: With dead ends: 474 [2024-10-11 13:32:34,134 INFO L226 Difference]: Without dead ends: 337 [2024-10-11 13:32:34,135 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-10-11 13:32:34,136 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 295 mSDsluCounter, 1045 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 1253 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 13:32:34,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 1253 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 13:32:34,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-10-11 13:32:34,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 331. [2024-10-11 13:32:34,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 272 states have (on average 1.3639705882352942) internal successors, (371), 274 states have internal predecessors, (371), 55 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (55), 53 states have call predecessors, (55), 55 states have call successors, (55) [2024-10-11 13:32:34,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 481 transitions. [2024-10-11 13:32:34,173 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 481 transitions. Word has length 175 [2024-10-11 13:32:34,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:32:34,174 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 481 transitions. [2024-10-11 13:32:34,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:34,175 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 481 transitions. [2024-10-11 13:32:34,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-11 13:32:34,178 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:32:34,178 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:32:34,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 13:32:34,179 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:32:34,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:32:34,180 INFO L85 PathProgramCache]: Analyzing trace with hash -953729071, now seen corresponding path program 1 times [2024-10-11 13:32:34,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:32:34,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923158905] [2024-10-11 13:32:34,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:32:34,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:32:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:34,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:32:34,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:34,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:32:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:34,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:32:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:34,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:32:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:34,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:32:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:34,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:32:34,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:34,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:32:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:34,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:32:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:34,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:32:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:34,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:32:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:34,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:32:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:34,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:32:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:34,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:32:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:34,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:32:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:34,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:32:34,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:34,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:32:34,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:34,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:32:34,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:34,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:32:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:34,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:32:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:34,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:32:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:34,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:32:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:34,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:32:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:34,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:32:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:34,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:32:34,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:32:34,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923158905] [2024-10-11 13:32:34,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923158905] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:32:34,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:32:34,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 13:32:34,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443837218] [2024-10-11 13:32:34,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:32:34,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 13:32:34,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:32:34,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 13:32:34,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 13:32:34,664 INFO L87 Difference]: Start difference. First operand 331 states and 481 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:34,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:32:34,829 INFO L93 Difference]: Finished difference Result 848 states and 1231 transitions. [2024-10-11 13:32:34,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 13:32:34,829 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2024-10-11 13:32:34,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:32:34,834 INFO L225 Difference]: With dead ends: 848 [2024-10-11 13:32:34,834 INFO L226 Difference]: Without dead ends: 518 [2024-10-11 13:32:34,835 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-10-11 13:32:34,836 INFO L432 NwaCegarLoop]: 324 mSDtfsCounter, 175 mSDsluCounter, 1770 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 2094 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 13:32:34,837 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 2094 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 13:32:34,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2024-10-11 13:32:34,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 350. [2024-10-11 13:32:34,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 286 states have (on average 1.3461538461538463) internal successors, (385), 288 states have internal predecessors, (385), 59 states have call successors, (59), 4 states have call predecessors, (59), 4 states have return successors, (59), 57 states have call predecessors, (59), 59 states have call successors, (59) [2024-10-11 13:32:34,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 503 transitions. [2024-10-11 13:32:34,880 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 503 transitions. Word has length 175 [2024-10-11 13:32:34,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:32:34,882 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 503 transitions. [2024-10-11 13:32:34,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:34,883 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 503 transitions. [2024-10-11 13:32:34,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-11 13:32:34,884 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:32:34,884 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:32:34,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 13:32:34,885 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:32:34,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:32:34,885 INFO L85 PathProgramCache]: Analyzing trace with hash 2015078349, now seen corresponding path program 1 times [2024-10-11 13:32:34,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:32:34,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870538573] [2024-10-11 13:32:34,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:32:34,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:32:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:36,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:32:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:36,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:32:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:36,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:32:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:36,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:32:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:36,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:32:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:36,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:32:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:36,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:32:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:36,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:32:36,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:36,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:32:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:36,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:32:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:36,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:32:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:36,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:32:36,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:36,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:32:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:36,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:32:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:36,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:32:36,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:36,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:32:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:36,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:32:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:36,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:32:36,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:36,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:32:36,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:36,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:32:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:36,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:32:36,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:36,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:32:36,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:36,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:32:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:36,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 9 proven. 57 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-11 13:32:36,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:32:36,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870538573] [2024-10-11 13:32:36,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870538573] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 13:32:36,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710245509] [2024-10-11 13:32:36,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:32:36,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 13:32:36,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 13:32:36,782 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 13:32:36,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 13:32:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:36,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-11 13:32:36,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 13:32:37,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-11 13:32:37,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-10-11 13:32:37,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-10-11 13:32:37,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-10-11 13:32:37,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:32:37,277 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 13:32:37,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710245509] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:32:37,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 13:32:37,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 20 [2024-10-11 13:32:37,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665859154] [2024-10-11 13:32:37,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:32:37,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 13:32:37,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:32:37,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 13:32:37,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2024-10-11 13:32:37,280 INFO L87 Difference]: Start difference. First operand 350 states and 503 transitions. Second operand has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:37,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:32:37,751 INFO L93 Difference]: Finished difference Result 778 states and 1115 transitions. [2024-10-11 13:32:37,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 13:32:37,752 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2024-10-11 13:32:37,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:32:37,755 INFO L225 Difference]: With dead ends: 778 [2024-10-11 13:32:37,755 INFO L226 Difference]: Without dead ends: 429 [2024-10-11 13:32:37,758 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=482, Unknown=0, NotChecked=0, Total=552 [2024-10-11 13:32:37,759 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 312 mSDsluCounter, 1426 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 1645 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 13:32:37,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 1645 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 13:32:37,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-10-11 13:32:37,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 423. [2024-10-11 13:32:37,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 344 states have (on average 1.3430232558139534) internal successors, (462), 347 states have internal predecessors, (462), 73 states have call successors, (73), 5 states have call predecessors, (73), 5 states have return successors, (73), 70 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-11 13:32:37,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 608 transitions. [2024-10-11 13:32:37,794 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 608 transitions. Word has length 175 [2024-10-11 13:32:37,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:32:37,796 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 608 transitions. [2024-10-11 13:32:37,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:37,796 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 608 transitions. [2024-10-11 13:32:37,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-11 13:32:37,798 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:32:37,798 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:32:37,813 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 13:32:37,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 13:32:38,000 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:32:38,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:32:38,000 INFO L85 PathProgramCache]: Analyzing trace with hash 735214671, now seen corresponding path program 1 times [2024-10-11 13:32:38,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:32:38,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754202759] [2024-10-11 13:32:38,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:32:38,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:32:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:38,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:32:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:38,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:32:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:38,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:32:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:38,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:32:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:38,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:32:38,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:38,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:32:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:38,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:32:38,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:38,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:32:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:38,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:32:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:38,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:32:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:38,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:32:38,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:38,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:32:38,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:38,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:32:38,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:38,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:32:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:38,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:32:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:38,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:32:38,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:38,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:32:38,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:38,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:32:38,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:38,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:32:38,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:38,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:32:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:38,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:32:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:38,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:32:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:38,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:32:38,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:38,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:32:38,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:32:38,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754202759] [2024-10-11 13:32:38,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754202759] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:32:38,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:32:38,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 13:32:38,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598931506] [2024-10-11 13:32:38,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:32:38,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 13:32:38,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:32:38,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 13:32:38,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 13:32:38,422 INFO L87 Difference]: Start difference. First operand 423 states and 608 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:38,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:32:38,831 INFO L93 Difference]: Finished difference Result 848 states and 1215 transitions. [2024-10-11 13:32:38,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 13:32:38,832 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2024-10-11 13:32:38,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:32:38,834 INFO L225 Difference]: With dead ends: 848 [2024-10-11 13:32:38,835 INFO L226 Difference]: Without dead ends: 426 [2024-10-11 13:32:38,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-10-11 13:32:38,836 INFO L432 NwaCegarLoop]: 305 mSDtfsCounter, 217 mSDsluCounter, 1293 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 1598 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 13:32:38,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 1598 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 13:32:38,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-10-11 13:32:38,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 420. [2024-10-11 13:32:38,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 341 states have (on average 1.3401759530791788) internal successors, (457), 344 states have internal predecessors, (457), 73 states have call successors, (73), 5 states have call predecessors, (73), 5 states have return successors, (73), 70 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-11 13:32:38,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 603 transitions. [2024-10-11 13:32:38,888 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 603 transitions. Word has length 175 [2024-10-11 13:32:38,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:32:38,889 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 603 transitions. [2024-10-11 13:32:38,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:38,889 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 603 transitions. [2024-10-11 13:32:38,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-11 13:32:38,891 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:32:38,891 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:32:38,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 13:32:38,892 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:32:38,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:32:38,892 INFO L85 PathProgramCache]: Analyzing trace with hash -447418871, now seen corresponding path program 1 times [2024-10-11 13:32:38,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:32:38,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348722810] [2024-10-11 13:32:38,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:32:38,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:32:38,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:39,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:32:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:39,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:32:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:39,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:32:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:39,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:32:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:39,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:32:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:39,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:32:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:39,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:32:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:39,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:32:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:39,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:32:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:39,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:32:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:39,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:32:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:39,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:32:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:39,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:32:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:39,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:32:39,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:39,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:32:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:39,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:32:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:39,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:32:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:39,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:32:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:39,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:32:39,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:39,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:32:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:39,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:32:39,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:39,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:32:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:39,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:32:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:39,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:32:39,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:32:39,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348722810] [2024-10-11 13:32:39,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348722810] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:32:39,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:32:39,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 13:32:39,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102137353] [2024-10-11 13:32:39,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:32:39,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 13:32:39,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:32:39,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 13:32:39,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-10-11 13:32:39,527 INFO L87 Difference]: Start difference. First operand 420 states and 603 transitions. Second operand has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:40,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:32:40,027 INFO L93 Difference]: Finished difference Result 971 states and 1391 transitions. [2024-10-11 13:32:40,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 13:32:40,027 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2024-10-11 13:32:40,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:32:40,030 INFO L225 Difference]: With dead ends: 971 [2024-10-11 13:32:40,030 INFO L226 Difference]: Without dead ends: 552 [2024-10-11 13:32:40,034 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-10-11 13:32:40,035 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 486 mSDsluCounter, 1324 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 486 SdHoareTripleChecker+Valid, 1554 SdHoareTripleChecker+Invalid, 513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 13:32:40,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [486 Valid, 1554 Invalid, 513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 13:32:40,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2024-10-11 13:32:40,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 426. [2024-10-11 13:32:40,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 347 states have (on average 1.340057636887608) internal successors, (465), 350 states have internal predecessors, (465), 73 states have call successors, (73), 5 states have call predecessors, (73), 5 states have return successors, (73), 70 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-11 13:32:40,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 611 transitions. [2024-10-11 13:32:40,078 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 611 transitions. Word has length 175 [2024-10-11 13:32:40,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:32:40,078 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 611 transitions. [2024-10-11 13:32:40,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:40,079 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 611 transitions. [2024-10-11 13:32:40,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-11 13:32:40,080 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:32:40,080 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:32:40,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 13:32:40,081 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:32:40,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:32:40,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1727282549, now seen corresponding path program 1 times [2024-10-11 13:32:40,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:32:40,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777887331] [2024-10-11 13:32:40,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:32:40,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:32:40,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:40,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:32:40,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:40,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:32:40,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:40,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:32:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:40,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:32:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:40,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:32:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:40,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:32:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:40,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:32:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:40,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:32:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:40,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:32:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:40,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:32:40,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:40,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:32:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:40,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:32:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:40,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:32:40,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:40,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:32:40,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:40,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:32:40,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:40,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:32:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:40,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:32:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:40,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:32:40,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:40,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:32:40,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:40,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:32:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:40,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:32:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:40,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:32:40,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:40,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:32:40,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:40,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:32:40,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:32:40,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777887331] [2024-10-11 13:32:40,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777887331] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:32:40,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:32:40,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 13:32:40,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009612419] [2024-10-11 13:32:40,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:32:40,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 13:32:40,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:32:40,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 13:32:40,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-11 13:32:40,728 INFO L87 Difference]: Start difference. First operand 426 states and 611 transitions. Second operand has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-11 13:32:41,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:32:41,157 INFO L93 Difference]: Finished difference Result 1089 states and 1563 transitions. [2024-10-11 13:32:41,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 13:32:41,158 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 175 [2024-10-11 13:32:41,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:32:41,160 INFO L225 Difference]: With dead ends: 1089 [2024-10-11 13:32:41,160 INFO L226 Difference]: Without dead ends: 664 [2024-10-11 13:32:41,161 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2024-10-11 13:32:41,162 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 318 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 13:32:41,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 619 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 13:32:41,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2024-10-11 13:32:41,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 480. [2024-10-11 13:32:41,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 401 states have (on average 1.3591022443890275) internal successors, (545), 404 states have internal predecessors, (545), 73 states have call successors, (73), 5 states have call predecessors, (73), 5 states have return successors, (73), 70 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-11 13:32:41,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 691 transitions. [2024-10-11 13:32:41,208 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 691 transitions. Word has length 175 [2024-10-11 13:32:41,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:32:41,209 INFO L471 AbstractCegarLoop]: Abstraction has 480 states and 691 transitions. [2024-10-11 13:32:41,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-11 13:32:41,209 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 691 transitions. [2024-10-11 13:32:41,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-11 13:32:41,210 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:32:41,210 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:32:41,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 13:32:41,211 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:32:41,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:32:41,211 INFO L85 PathProgramCache]: Analyzing trace with hash -575582638, now seen corresponding path program 1 times [2024-10-11 13:32:41,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:32:41,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535586378] [2024-10-11 13:32:41,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:32:41,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:32:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:32:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:32:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:32:41,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:32:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:32:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:32:41,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:32:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:32:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:32:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:32:41,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:32:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:32:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:32:41,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:32:41,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:32:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:32:41,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:32:41,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:32:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:32:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:32:41,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:32:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:32:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:32:41,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:32:41,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:32:41,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535586378] [2024-10-11 13:32:41,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535586378] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:32:41,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:32:41,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 13:32:41,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173649504] [2024-10-11 13:32:41,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:32:41,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 13:32:41,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:32:41,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 13:32:41,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 13:32:41,373 INFO L87 Difference]: Start difference. First operand 480 states and 691 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:41,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:32:41,508 INFO L93 Difference]: Finished difference Result 997 states and 1435 transitions. [2024-10-11 13:32:41,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 13:32:41,509 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2024-10-11 13:32:41,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:32:41,511 INFO L225 Difference]: With dead ends: 997 [2024-10-11 13:32:41,511 INFO L226 Difference]: Without dead ends: 518 [2024-10-11 13:32:41,513 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 13:32:41,513 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 61 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 13:32:41,513 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 609 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 13:32:41,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2024-10-11 13:32:41,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 478. [2024-10-11 13:32:41,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 399 states have (on average 1.3458646616541354) internal successors, (537), 402 states have internal predecessors, (537), 73 states have call successors, (73), 5 states have call predecessors, (73), 5 states have return successors, (73), 70 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-11 13:32:41,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 683 transitions. [2024-10-11 13:32:41,546 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 683 transitions. Word has length 175 [2024-10-11 13:32:41,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:32:41,546 INFO L471 AbstractCegarLoop]: Abstraction has 478 states and 683 transitions. [2024-10-11 13:32:41,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:41,546 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 683 transitions. [2024-10-11 13:32:41,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-11 13:32:41,547 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:32:41,548 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:32:41,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 13:32:41,548 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:32:41,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:32:41,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1704650295, now seen corresponding path program 1 times [2024-10-11 13:32:41,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:32:41,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654295272] [2024-10-11 13:32:41,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:32:41,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:32:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:32:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:32:41,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:32:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:32:41,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:32:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:32:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:32:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:32:41,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:32:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:32:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:32:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:32:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:32:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:32:41,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:32:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:32:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:32:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:32:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:32:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:32:41,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:32:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:32:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:32:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,645 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:32:41,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:32:41,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654295272] [2024-10-11 13:32:41,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654295272] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:32:41,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:32:41,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 13:32:41,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991822694] [2024-10-11 13:32:41,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:32:41,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 13:32:41,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:32:41,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 13:32:41,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 13:32:41,647 INFO L87 Difference]: Start difference. First operand 478 states and 683 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:41,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:32:41,721 INFO L93 Difference]: Finished difference Result 935 states and 1335 transitions. [2024-10-11 13:32:41,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 13:32:41,722 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2024-10-11 13:32:41,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:32:41,726 INFO L225 Difference]: With dead ends: 935 [2024-10-11 13:32:41,726 INFO L226 Difference]: Without dead ends: 458 [2024-10-11 13:32:41,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 13:32:41,728 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 1 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 13:32:41,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 509 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 13:32:41,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2024-10-11 13:32:41,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 458. [2024-10-11 13:32:41,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 379 states have (on average 1.3324538258575198) internal successors, (505), 382 states have internal predecessors, (505), 73 states have call successors, (73), 5 states have call predecessors, (73), 5 states have return successors, (73), 70 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-11 13:32:41,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 651 transitions. [2024-10-11 13:32:41,774 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 651 transitions. Word has length 175 [2024-10-11 13:32:41,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:32:41,774 INFO L471 AbstractCegarLoop]: Abstraction has 458 states and 651 transitions. [2024-10-11 13:32:41,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:41,775 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 651 transitions. [2024-10-11 13:32:41,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-10-11 13:32:41,777 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:32:41,777 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:32:41,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 13:32:41,778 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:32:41,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:32:41,778 INFO L85 PathProgramCache]: Analyzing trace with hash 37918153, now seen corresponding path program 1 times [2024-10-11 13:32:41,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:32:41,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126034212] [2024-10-11 13:32:41,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:32:41,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:32:41,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:32:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:32:41,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:32:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:32:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:32:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:32:41,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:32:41,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:32:41,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:32:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:32:41,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:32:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:32:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:32:41,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:32:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:32:41,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:32:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:32:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:32:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:32:41,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:32:41,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:32:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:32:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:32:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:41,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:32:41,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:32:41,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126034212] [2024-10-11 13:32:41,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126034212] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:32:41,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:32:41,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 13:32:41,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191371794] [2024-10-11 13:32:41,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:32:41,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 13:32:41,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:32:41,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 13:32:41,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 13:32:41,935 INFO L87 Difference]: Start difference. First operand 458 states and 651 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:41,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:32:41,988 INFO L93 Difference]: Finished difference Result 921 states and 1309 transitions. [2024-10-11 13:32:41,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 13:32:41,988 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 176 [2024-10-11 13:32:41,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:32:41,990 INFO L225 Difference]: With dead ends: 921 [2024-10-11 13:32:41,991 INFO L226 Difference]: Without dead ends: 464 [2024-10-11 13:32:41,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 13:32:41,992 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 1 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 13:32:41,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 674 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 13:32:41,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2024-10-11 13:32:42,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464. [2024-10-11 13:32:42,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 385 states have (on average 1.3272727272727274) internal successors, (511), 388 states have internal predecessors, (511), 73 states have call successors, (73), 5 states have call predecessors, (73), 5 states have return successors, (73), 70 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-11 13:32:42,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 657 transitions. [2024-10-11 13:32:42,024 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 657 transitions. Word has length 176 [2024-10-11 13:32:42,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:32:42,025 INFO L471 AbstractCegarLoop]: Abstraction has 464 states and 657 transitions. [2024-10-11 13:32:42,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:42,025 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 657 transitions. [2024-10-11 13:32:42,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-10-11 13:32:42,026 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:32:42,026 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:32:42,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 13:32:42,026 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:32:42,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:32:42,027 INFO L85 PathProgramCache]: Analyzing trace with hash 312677767, now seen corresponding path program 1 times [2024-10-11 13:32:42,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:32:42,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122474874] [2024-10-11 13:32:42,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:32:42,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:32:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:42,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:32:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:42,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:32:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:42,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:32:42,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:42,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:32:42,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:42,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:32:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:42,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:32:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:42,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:32:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:42,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:32:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:42,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:32:42,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:42,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:32:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:42,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:32:42,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:42,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:32:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:42,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:32:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:42,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:32:42,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:42,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:32:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:42,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:32:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:42,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:32:42,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:42,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:32:42,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:42,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:32:42,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:42,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:32:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:42,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:32:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:42,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:32:42,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:42,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:32:42,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:42,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:32:42,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:32:42,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122474874] [2024-10-11 13:32:42,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122474874] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:32:42,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:32:42,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 13:32:42,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775572091] [2024-10-11 13:32:42,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:32:42,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 13:32:42,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:32:42,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 13:32:42,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-10-11 13:32:42,762 INFO L87 Difference]: Start difference. First operand 464 states and 657 transitions. Second operand has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-11 13:32:43,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:32:43,307 INFO L93 Difference]: Finished difference Result 1005 states and 1426 transitions. [2024-10-11 13:32:43,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 13:32:43,308 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 176 [2024-10-11 13:32:43,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:32:43,311 INFO L225 Difference]: With dead ends: 1005 [2024-10-11 13:32:43,311 INFO L226 Difference]: Without dead ends: 542 [2024-10-11 13:32:43,312 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2024-10-11 13:32:43,312 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 356 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 13:32:43,313 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 614 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 13:32:43,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2024-10-11 13:32:43,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 461. [2024-10-11 13:32:43,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 382 states have (on average 1.3272251308900525) internal successors, (507), 385 states have internal predecessors, (507), 73 states have call successors, (73), 5 states have call predecessors, (73), 5 states have return successors, (73), 70 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-11 13:32:43,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 653 transitions. [2024-10-11 13:32:43,348 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 653 transitions. Word has length 176 [2024-10-11 13:32:43,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:32:43,349 INFO L471 AbstractCegarLoop]: Abstraction has 461 states and 653 transitions. [2024-10-11 13:32:43,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-11 13:32:43,349 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 653 transitions. [2024-10-11 13:32:43,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-10-11 13:32:43,351 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:32:43,351 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:32:43,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 13:32:43,351 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:32:43,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:32:43,351 INFO L85 PathProgramCache]: Analyzing trace with hash -401603261, now seen corresponding path program 1 times [2024-10-11 13:32:43,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:32:43,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861748771] [2024-10-11 13:32:43,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:32:43,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:32:43,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:43,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:32:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:43,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:32:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:43,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:32:43,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:43,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:32:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:43,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:32:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:43,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:32:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:43,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:32:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:43,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:32:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:43,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:32:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:43,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:32:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:44,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:32:44,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:44,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:32:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:44,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:32:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:44,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:32:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:44,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:32:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:44,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:32:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:44,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:32:44,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:44,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:32:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:44,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:32:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:44,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:32:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:44,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:32:44,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:44,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:32:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:44,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:32:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:44,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:32:44,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:32:44,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861748771] [2024-10-11 13:32:44,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861748771] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:32:44,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:32:44,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 13:32:44,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078465454] [2024-10-11 13:32:44,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:32:44,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 13:32:44,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:32:44,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 13:32:44,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-10-11 13:32:44,042 INFO L87 Difference]: Start difference. First operand 461 states and 653 transitions. Second operand has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-11 13:32:44,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:32:44,474 INFO L93 Difference]: Finished difference Result 996 states and 1414 transitions. [2024-10-11 13:32:44,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 13:32:44,475 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 176 [2024-10-11 13:32:44,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:32:44,477 INFO L225 Difference]: With dead ends: 996 [2024-10-11 13:32:44,477 INFO L226 Difference]: Without dead ends: 536 [2024-10-11 13:32:44,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2024-10-11 13:32:44,479 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 504 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 13:32:44,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [504 Valid, 557 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 13:32:44,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2024-10-11 13:32:44,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 461. [2024-10-11 13:32:44,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 382 states have (on average 1.3219895287958114) internal successors, (505), 385 states have internal predecessors, (505), 73 states have call successors, (73), 5 states have call predecessors, (73), 5 states have return successors, (73), 70 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-11 13:32:44,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 651 transitions. [2024-10-11 13:32:44,514 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 651 transitions. Word has length 176 [2024-10-11 13:32:44,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:32:44,514 INFO L471 AbstractCegarLoop]: Abstraction has 461 states and 651 transitions. [2024-10-11 13:32:44,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-11 13:32:44,515 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 651 transitions. [2024-10-11 13:32:44,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-10-11 13:32:44,516 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:32:44,516 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:32:44,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 13:32:44,516 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:32:44,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:32:44,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1681466939, now seen corresponding path program 1 times [2024-10-11 13:32:44,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:32:44,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100127780] [2024-10-11 13:32:44,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:32:44,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:32:44,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:32:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:32:45,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:32:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:32:45,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:32:45,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:32:45,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:32:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:32:45,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:32:45,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:32:45,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:32:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:32:45,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:32:45,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:32:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:32:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:32:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:32:45,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:32:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:32:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:32:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:32:45,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:32:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:32:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:32:45,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:32:45,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100127780] [2024-10-11 13:32:45,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100127780] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:32:45,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:32:45,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 13:32:45,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197256756] [2024-10-11 13:32:45,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:32:45,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 13:32:45,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:32:45,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 13:32:45,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-11 13:32:45,102 INFO L87 Difference]: Start difference. First operand 461 states and 651 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:45,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:32:45,473 INFO L93 Difference]: Finished difference Result 1041 states and 1470 transitions. [2024-10-11 13:32:45,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 13:32:45,473 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 176 [2024-10-11 13:32:45,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:32:45,478 INFO L225 Difference]: With dead ends: 1041 [2024-10-11 13:32:45,478 INFO L226 Difference]: Without dead ends: 581 [2024-10-11 13:32:45,480 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-10-11 13:32:45,480 INFO L432 NwaCegarLoop]: 362 mSDtfsCounter, 250 mSDsluCounter, 1846 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 2208 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 13:32:45,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 2208 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 13:32:45,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2024-10-11 13:32:45,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 458. [2024-10-11 13:32:45,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 379 states have (on average 1.3218997361477574) internal successors, (501), 382 states have internal predecessors, (501), 73 states have call successors, (73), 5 states have call predecessors, (73), 5 states have return successors, (73), 70 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-11 13:32:45,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 647 transitions. [2024-10-11 13:32:45,527 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 647 transitions. Word has length 176 [2024-10-11 13:32:45,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:32:45,528 INFO L471 AbstractCegarLoop]: Abstraction has 458 states and 647 transitions. [2024-10-11 13:32:45,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:45,528 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 647 transitions. [2024-10-11 13:32:45,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-11 13:32:45,530 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:32:45,530 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:32:45,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 13:32:45,530 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:32:45,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:32:45,530 INFO L85 PathProgramCache]: Analyzing trace with hash -460004524, now seen corresponding path program 1 times [2024-10-11 13:32:45,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:32:45,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461947478] [2024-10-11 13:32:45,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:32:45,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:32:45,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:32:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:32:45,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:32:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:32:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:32:45,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:32:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:32:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:32:45,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:32:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:32:45,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:32:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:32:45,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:32:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:32:45,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:32:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:32:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:32:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:32:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:32:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:32:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:32:45,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:32:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:32:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:32:45,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:32:45,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461947478] [2024-10-11 13:32:45,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461947478] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:32:45,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:32:45,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 13:32:45,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386124379] [2024-10-11 13:32:45,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:32:45,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 13:32:45,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:32:45,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 13:32:45,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 13:32:45,651 INFO L87 Difference]: Start difference. First operand 458 states and 647 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:45,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:32:45,707 INFO L93 Difference]: Finished difference Result 916 states and 1295 transitions. [2024-10-11 13:32:45,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 13:32:45,708 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 177 [2024-10-11 13:32:45,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:32:45,710 INFO L225 Difference]: With dead ends: 916 [2024-10-11 13:32:45,710 INFO L226 Difference]: Without dead ends: 459 [2024-10-11 13:32:45,712 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 13:32:45,713 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 0 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 13:32:45,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 343 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 13:32:45,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2024-10-11 13:32:45,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 459. [2024-10-11 13:32:45,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 380 states have (on average 1.3210526315789475) internal successors, (502), 383 states have internal predecessors, (502), 73 states have call successors, (73), 5 states have call predecessors, (73), 5 states have return successors, (73), 70 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-11 13:32:45,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 648 transitions. [2024-10-11 13:32:45,755 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 648 transitions. Word has length 177 [2024-10-11 13:32:45,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:32:45,756 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 648 transitions. [2024-10-11 13:32:45,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:45,756 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 648 transitions. [2024-10-11 13:32:45,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-11 13:32:45,757 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:32:45,757 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:32:45,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-11 13:32:45,757 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:32:45,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:32:45,758 INFO L85 PathProgramCache]: Analyzing trace with hash 199526998, now seen corresponding path program 1 times [2024-10-11 13:32:45,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:32:45,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953480810] [2024-10-11 13:32:45,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:32:45,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:32:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:32:45,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:32:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:32:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:32:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:32:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:32:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:32:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:32:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:32:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:32:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:32:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:32:45,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:32:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:32:45,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:32:45,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:32:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:32:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:32:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:32:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:32:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:32:45,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:32:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:32:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:45,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:32:45,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:32:45,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953480810] [2024-10-11 13:32:45,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953480810] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:32:45,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:32:45,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 13:32:45,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120327412] [2024-10-11 13:32:45,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:32:45,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 13:32:45,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:32:45,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 13:32:45,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 13:32:45,905 INFO L87 Difference]: Start difference. First operand 459 states and 648 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:45,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:32:45,987 INFO L93 Difference]: Finished difference Result 918 states and 1296 transitions. [2024-10-11 13:32:45,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 13:32:45,988 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 177 [2024-10-11 13:32:45,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:32:45,990 INFO L225 Difference]: With dead ends: 918 [2024-10-11 13:32:45,990 INFO L226 Difference]: Without dead ends: 460 [2024-10-11 13:32:45,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 13:32:45,992 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 4 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 13:32:45,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 645 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 13:32:45,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2024-10-11 13:32:46,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 459. [2024-10-11 13:32:46,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 380 states have (on average 1.318421052631579) internal successors, (501), 383 states have internal predecessors, (501), 73 states have call successors, (73), 5 states have call predecessors, (73), 5 states have return successors, (73), 70 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-11 13:32:46,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 647 transitions. [2024-10-11 13:32:46,024 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 647 transitions. Word has length 177 [2024-10-11 13:32:46,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:32:46,024 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 647 transitions. [2024-10-11 13:32:46,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:46,024 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 647 transitions. [2024-10-11 13:32:46,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-11 13:32:46,026 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:32:46,026 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:32:46,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 13:32:46,026 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:32:46,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:32:46,026 INFO L85 PathProgramCache]: Analyzing trace with hash -644478504, now seen corresponding path program 1 times [2024-10-11 13:32:46,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:32:46,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355870038] [2024-10-11 13:32:46,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:32:46,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:32:46,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:32:46,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:32:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:32:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:32:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:32:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:32:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:32:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:32:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:32:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:32:46,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:32:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:32:46,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:32:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:32:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:32:46,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:32:46,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:32:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:32:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:32:46,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:32:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:32:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:32:46,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:32:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:32:46,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:32:46,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355870038] [2024-10-11 13:32:46,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355870038] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:32:46,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:32:46,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 13:32:46,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84043781] [2024-10-11 13:32:46,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:32:46,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 13:32:46,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:32:46,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 13:32:46,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 13:32:46,178 INFO L87 Difference]: Start difference. First operand 459 states and 647 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:46,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:32:46,249 INFO L93 Difference]: Finished difference Result 772 states and 1086 transitions. [2024-10-11 13:32:46,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 13:32:46,250 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 177 [2024-10-11 13:32:46,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:32:46,252 INFO L225 Difference]: With dead ends: 772 [2024-10-11 13:32:46,252 INFO L226 Difference]: Without dead ends: 314 [2024-10-11 13:32:46,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 13:32:46,253 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 0 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 13:32:46,253 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 481 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 13:32:46,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-10-11 13:32:46,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 313. [2024-10-11 13:32:46,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 252 states have (on average 1.3015873015873016) internal successors, (328), 254 states have internal predecessors, (328), 55 states have call successors, (55), 5 states have call predecessors, (55), 5 states have return successors, (55), 53 states have call predecessors, (55), 55 states have call successors, (55) [2024-10-11 13:32:46,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 438 transitions. [2024-10-11 13:32:46,274 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 438 transitions. Word has length 177 [2024-10-11 13:32:46,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:32:46,275 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 438 transitions. [2024-10-11 13:32:46,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:46,275 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 438 transitions. [2024-10-11 13:32:46,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-10-11 13:32:46,276 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:32:46,276 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:32:46,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-11 13:32:46,276 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:32:46,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:32:46,276 INFO L85 PathProgramCache]: Analyzing trace with hash -46256408, now seen corresponding path program 1 times [2024-10-11 13:32:46,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:32:46,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28714669] [2024-10-11 13:32:46,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:32:46,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:32:46,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:32:46,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:32:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:32:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:32:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:32:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:32:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:32:46,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:32:46,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:32:46,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:32:46,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:32:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:32:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:32:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:32:46,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:32:46,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:32:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:32:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:32:46,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:32:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:32:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:32:46,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:32:46,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:32:46,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:32:46,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:32:46,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28714669] [2024-10-11 13:32:46,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28714669] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:32:46,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:32:46,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 13:32:46,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275803266] [2024-10-11 13:32:46,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:32:46,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 13:32:46,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:32:46,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 13:32:46,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-11 13:32:46,585 INFO L87 Difference]: Start difference. First operand 313 states and 438 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 9 states have internal predecessors, (66), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:46,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:32:46,794 INFO L93 Difference]: Finished difference Result 675 states and 945 transitions. [2024-10-11 13:32:46,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 13:32:46,794 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 9 states have internal predecessors, (66), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 178 [2024-10-11 13:32:46,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:32:46,796 INFO L225 Difference]: With dead ends: 675 [2024-10-11 13:32:46,796 INFO L226 Difference]: Without dead ends: 363 [2024-10-11 13:32:46,797 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-10-11 13:32:46,797 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 142 mSDsluCounter, 1180 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 1386 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 13:32:46,797 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 1386 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 13:32:46,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-10-11 13:32:46,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 322. [2024-10-11 13:32:46,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 261 states have (on average 1.2911877394636015) internal successors, (337), 263 states have internal predecessors, (337), 55 states have call successors, (55), 5 states have call predecessors, (55), 5 states have return successors, (55), 53 states have call predecessors, (55), 55 states have call successors, (55) [2024-10-11 13:32:46,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 447 transitions. [2024-10-11 13:32:46,827 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 447 transitions. Word has length 178 [2024-10-11 13:32:46,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:32:46,828 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 447 transitions. [2024-10-11 13:32:46,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 9 states have internal predecessors, (66), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:46,828 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 447 transitions. [2024-10-11 13:32:46,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-10-11 13:32:46,829 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:32:46,829 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:32:46,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-11 13:32:46,829 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:32:46,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:32:46,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1845313117, now seen corresponding path program 1 times [2024-10-11 13:32:46,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:32:46,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788115857] [2024-10-11 13:32:46,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:32:46,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:32:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:32:46,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:32:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:32:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:32:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:32:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:32:46,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:32:46,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:32:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:32:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:32:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:32:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:32:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:32:46,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:32:46,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:32:46,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:32:46,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:32:46,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:32:46,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:32:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:32:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:32:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:32:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:32:46,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:46,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:32:46,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:32:46,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788115857] [2024-10-11 13:32:46,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788115857] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:32:46,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:32:46,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 13:32:46,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282260492] [2024-10-11 13:32:46,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:32:46,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 13:32:46,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:32:46,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 13:32:46,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 13:32:46,910 INFO L87 Difference]: Start difference. First operand 322 states and 447 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:46,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:32:46,965 INFO L93 Difference]: Finished difference Result 646 states and 899 transitions. [2024-10-11 13:32:46,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 13:32:46,965 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-10-11 13:32:46,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:32:46,967 INFO L225 Difference]: With dead ends: 646 [2024-10-11 13:32:46,967 INFO L226 Difference]: Without dead ends: 325 [2024-10-11 13:32:46,968 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 13:32:46,968 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 0 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 13:32:46,969 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 334 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 13:32:46,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-10-11 13:32:46,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 325. [2024-10-11 13:32:46,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 264 states have (on average 1.2878787878787878) internal successors, (340), 266 states have internal predecessors, (340), 55 states have call successors, (55), 5 states have call predecessors, (55), 5 states have return successors, (55), 53 states have call predecessors, (55), 55 states have call successors, (55) [2024-10-11 13:32:46,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 450 transitions. [2024-10-11 13:32:46,992 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 450 transitions. Word has length 180 [2024-10-11 13:32:46,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:32:46,993 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 450 transitions. [2024-10-11 13:32:46,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:46,993 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 450 transitions. [2024-10-11 13:32:46,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-10-11 13:32:46,994 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:32:46,994 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:32:46,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-11 13:32:46,994 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:32:46,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:32:46,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1428585825, now seen corresponding path program 1 times [2024-10-11 13:32:46,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:32:46,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549397962] [2024-10-11 13:32:46,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:32:46,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:32:47,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:32:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:32:47,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:32:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:32:47,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:32:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:32:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:32:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:32:47,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:32:47,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:32:47,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:32:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:32:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:32:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:32:47,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:32:47,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:32:47,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:32:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:32:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:32:47,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:32:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:32:47,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:32:47,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:32:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:32:47,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:32:47,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549397962] [2024-10-11 13:32:47,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549397962] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:32:47,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:32:47,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 13:32:47,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27963205] [2024-10-11 13:32:47,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:32:47,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 13:32:47,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:32:47,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 13:32:47,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 13:32:47,169 INFO L87 Difference]: Start difference. First operand 325 states and 450 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:47,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:32:47,227 INFO L93 Difference]: Finished difference Result 634 states and 878 transitions. [2024-10-11 13:32:47,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 13:32:47,227 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-10-11 13:32:47,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:32:47,229 INFO L225 Difference]: With dead ends: 634 [2024-10-11 13:32:47,229 INFO L226 Difference]: Without dead ends: 310 [2024-10-11 13:32:47,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 13:32:47,230 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 0 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 13:32:47,230 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 469 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 13:32:47,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2024-10-11 13:32:47,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 307. [2024-10-11 13:32:47,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 246 states have (on average 1.2723577235772359) internal successors, (313), 248 states have internal predecessors, (313), 55 states have call successors, (55), 5 states have call predecessors, (55), 5 states have return successors, (55), 53 states have call predecessors, (55), 55 states have call successors, (55) [2024-10-11 13:32:47,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 423 transitions. [2024-10-11 13:32:47,253 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 423 transitions. Word has length 180 [2024-10-11 13:32:47,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:32:47,253 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 423 transitions. [2024-10-11 13:32:47,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:47,254 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 423 transitions. [2024-10-11 13:32:47,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-10-11 13:32:47,255 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:32:47,255 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:32:47,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-11 13:32:47,255 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:32:47,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:32:47,255 INFO L85 PathProgramCache]: Analyzing trace with hash -2079445520, now seen corresponding path program 1 times [2024-10-11 13:32:47,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:32:47,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851385314] [2024-10-11 13:32:47,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:32:47,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:32:47,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:32:47,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:32:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:32:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:32:47,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:32:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:32:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:32:47,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:32:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:32:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:32:47,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:32:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:32:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:32:47,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:32:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:32:47,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:32:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:32:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:32:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:32:47,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:32:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:32:47,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:32:47,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:32:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:47,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:32:47,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:32:47,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851385314] [2024-10-11 13:32:47,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851385314] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:32:47,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:32:47,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-11 13:32:47,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720237010] [2024-10-11 13:32:47,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:32:47,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 13:32:47,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:32:47,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 13:32:47,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-10-11 13:32:47,992 INFO L87 Difference]: Start difference. First operand 307 states and 423 transitions. Second operand has 14 states, 14 states have (on average 5.0) internal successors, (70), 14 states have internal predecessors, (70), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-11 13:32:48,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:32:48,409 INFO L93 Difference]: Finished difference Result 744 states and 1021 transitions. [2024-10-11 13:32:48,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 13:32:48,410 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.0) internal successors, (70), 14 states have internal predecessors, (70), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 182 [2024-10-11 13:32:48,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:32:48,412 INFO L225 Difference]: With dead ends: 744 [2024-10-11 13:32:48,412 INFO L226 Difference]: Without dead ends: 438 [2024-10-11 13:32:48,415 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2024-10-11 13:32:48,416 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 374 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 13:32:48,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 658 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 13:32:48,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2024-10-11 13:32:48,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 367. [2024-10-11 13:32:48,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 306 states have (on average 1.261437908496732) internal successors, (386), 308 states have internal predecessors, (386), 55 states have call successors, (55), 5 states have call predecessors, (55), 5 states have return successors, (55), 53 states have call predecessors, (55), 55 states have call successors, (55) [2024-10-11 13:32:48,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 496 transitions. [2024-10-11 13:32:48,441 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 496 transitions. Word has length 182 [2024-10-11 13:32:48,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:32:48,441 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 496 transitions. [2024-10-11 13:32:48,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.0) internal successors, (70), 14 states have internal predecessors, (70), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-11 13:32:48,441 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 496 transitions. [2024-10-11 13:32:48,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-10-11 13:32:48,442 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:32:48,442 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:32:48,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-11 13:32:48,443 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:32:48,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:32:48,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1378380942, now seen corresponding path program 1 times [2024-10-11 13:32:48,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:32:48,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208105202] [2024-10-11 13:32:48,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:32:48,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:32:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:32:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:32:48,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:32:48,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:32:48,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:32:48,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:32:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:32:48,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:32:48,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:32:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:32:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:32:48,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:32:48,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:32:48,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:32:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:32:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:32:48,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:32:48,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:32:48,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:32:48,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:32:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:32:48,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:32:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:32:48,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:32:48,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:32:48,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208105202] [2024-10-11 13:32:48,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208105202] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:32:48,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:32:48,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 13:32:48,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195053507] [2024-10-11 13:32:48,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:32:48,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 13:32:48,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:32:48,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 13:32:48,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 13:32:48,546 INFO L87 Difference]: Start difference. First operand 367 states and 496 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:48,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:32:48,589 INFO L93 Difference]: Finished difference Result 748 states and 1012 transitions. [2024-10-11 13:32:48,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 13:32:48,589 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 182 [2024-10-11 13:32:48,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:32:48,592 INFO L225 Difference]: With dead ends: 748 [2024-10-11 13:32:48,592 INFO L226 Difference]: Without dead ends: 382 [2024-10-11 13:32:48,592 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 13:32:48,593 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 1 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 13:32:48,593 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 479 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 13:32:48,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-10-11 13:32:48,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 379. [2024-10-11 13:32:48,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 318 states have (on average 1.251572327044025) internal successors, (398), 320 states have internal predecessors, (398), 55 states have call successors, (55), 5 states have call predecessors, (55), 5 states have return successors, (55), 53 states have call predecessors, (55), 55 states have call successors, (55) [2024-10-11 13:32:48,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 508 transitions. [2024-10-11 13:32:48,617 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 508 transitions. Word has length 182 [2024-10-11 13:32:48,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:32:48,617 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 508 transitions. [2024-10-11 13:32:48,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:48,618 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 508 transitions. [2024-10-11 13:32:48,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-10-11 13:32:48,618 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:32:48,618 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:32:48,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-11 13:32:48,619 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:32:48,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:32:48,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1886180804, now seen corresponding path program 1 times [2024-10-11 13:32:48,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:32:48,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562992621] [2024-10-11 13:32:48,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:32:48,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:32:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:32:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:32:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:32:48,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:32:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:32:48,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:32:48,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:32:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:32:48,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:32:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:32:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:32:48,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:32:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:32:48,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:32:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:32:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:32:48,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:32:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:32:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:32:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:32:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:48,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:32:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:49,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:32:49,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:49,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:32:49,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:49,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:32:49,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:32:49,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562992621] [2024-10-11 13:32:49,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562992621] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:32:49,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:32:49,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 13:32:49,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047539121] [2024-10-11 13:32:49,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:32:49,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 13:32:49,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:32:49,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 13:32:49,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 13:32:49,008 INFO L87 Difference]: Start difference. First operand 379 states and 508 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:49,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:32:49,372 INFO L93 Difference]: Finished difference Result 959 states and 1274 transitions. [2024-10-11 13:32:49,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 13:32:49,372 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 183 [2024-10-11 13:32:49,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:32:49,375 INFO L225 Difference]: With dead ends: 959 [2024-10-11 13:32:49,375 INFO L226 Difference]: Without dead ends: 581 [2024-10-11 13:32:49,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 13:32:49,377 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 277 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 13:32:49,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 633 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 13:32:49,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2024-10-11 13:32:49,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 412. [2024-10-11 13:32:49,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 351 states have (on average 1.2421652421652423) internal successors, (436), 353 states have internal predecessors, (436), 55 states have call successors, (55), 5 states have call predecessors, (55), 5 states have return successors, (55), 53 states have call predecessors, (55), 55 states have call successors, (55) [2024-10-11 13:32:49,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 546 transitions. [2024-10-11 13:32:49,415 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 546 transitions. Word has length 183 [2024-10-11 13:32:49,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:32:49,415 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 546 transitions. [2024-10-11 13:32:49,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:49,416 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 546 transitions. [2024-10-11 13:32:49,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-10-11 13:32:49,417 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:32:49,417 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:32:49,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-11 13:32:49,417 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:32:49,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:32:49,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1383360534, now seen corresponding path program 1 times [2024-10-11 13:32:49,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:32:49,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267799805] [2024-10-11 13:32:49,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:32:49,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:32:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:50,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:32:50,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:50,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:32:50,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:50,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:32:50,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:50,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:32:50,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:50,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:32:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:50,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:32:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:50,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:32:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:50,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:32:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:50,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:32:50,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:50,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:32:50,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:50,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:32:50,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:50,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:32:50,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:50,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:32:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:50,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:32:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:50,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:32:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:50,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:32:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:50,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:32:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:50,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:32:50,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:50,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:32:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:50,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:32:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:50,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:32:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:50,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:32:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:50,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:32:50,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:50,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:32:50,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:32:50,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267799805] [2024-10-11 13:32:50,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267799805] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:32:50,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:32:50,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 13:32:50,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321346560] [2024-10-11 13:32:50,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:32:50,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 13:32:50,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:32:50,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 13:32:50,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-10-11 13:32:50,085 INFO L87 Difference]: Start difference. First operand 412 states and 546 transitions. Second operand has 9 states, 9 states have (on average 8.0) internal successors, (72), 9 states have internal predecessors, (72), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-11 13:32:50,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:32:50,660 INFO L93 Difference]: Finished difference Result 861 states and 1143 transitions. [2024-10-11 13:32:50,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 13:32:50,663 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 9 states have internal predecessors, (72), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 184 [2024-10-11 13:32:50,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:32:50,666 INFO L225 Difference]: With dead ends: 861 [2024-10-11 13:32:50,666 INFO L226 Difference]: Without dead ends: 450 [2024-10-11 13:32:50,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2024-10-11 13:32:50,668 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 360 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 13:32:50,671 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 632 Invalid, 565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 13:32:50,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2024-10-11 13:32:50,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 412. [2024-10-11 13:32:50,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 351 states have (on average 1.2364672364672364) internal successors, (434), 353 states have internal predecessors, (434), 55 states have call successors, (55), 5 states have call predecessors, (55), 5 states have return successors, (55), 53 states have call predecessors, (55), 55 states have call successors, (55) [2024-10-11 13:32:50,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 544 transitions. [2024-10-11 13:32:50,698 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 544 transitions. Word has length 184 [2024-10-11 13:32:50,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:32:50,699 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 544 transitions. [2024-10-11 13:32:50,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 9 states have internal predecessors, (72), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-11 13:32:50,699 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 544 transitions. [2024-10-11 13:32:50,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-10-11 13:32:50,700 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:32:50,700 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:32:50,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-11 13:32:50,700 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:32:50,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:32:50,701 INFO L85 PathProgramCache]: Analyzing trace with hash 493406942, now seen corresponding path program 1 times [2024-10-11 13:32:50,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:32:50,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743480530] [2024-10-11 13:32:50,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:32:50,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:32:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:32:51,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:32:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:32:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:32:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:32:51,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:32:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:32:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:32:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:32:51,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:32:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:32:51,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:32:51,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:32:51,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:32:51,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:32:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:32:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:32:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:32:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:32:51,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:32:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:32:51,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:32:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:32:51,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:32:51,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:32:51,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743480530] [2024-10-11 13:32:51,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743480530] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:32:51,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:32:51,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 13:32:51,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209084293] [2024-10-11 13:32:51,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:32:51,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 13:32:51,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:32:51,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 13:32:51,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-11 13:32:51,441 INFO L87 Difference]: Start difference. First operand 412 states and 544 transitions. Second operand has 9 states, 9 states have (on average 8.0) internal successors, (72), 9 states have internal predecessors, (72), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-11 13:32:51,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:32:51,854 INFO L93 Difference]: Finished difference Result 952 states and 1260 transitions. [2024-10-11 13:32:51,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 13:32:51,855 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 9 states have internal predecessors, (72), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 184 [2024-10-11 13:32:51,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:32:51,857 INFO L225 Difference]: With dead ends: 952 [2024-10-11 13:32:51,857 INFO L226 Difference]: Without dead ends: 541 [2024-10-11 13:32:51,858 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 48 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-11 13:32:51,858 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 368 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 13:32:51,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 586 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 13:32:51,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2024-10-11 13:32:51,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 420. [2024-10-11 13:32:51,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 359 states have (on average 1.2311977715877438) internal successors, (442), 361 states have internal predecessors, (442), 55 states have call successors, (55), 5 states have call predecessors, (55), 5 states have return successors, (55), 53 states have call predecessors, (55), 55 states have call successors, (55) [2024-10-11 13:32:51,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 552 transitions. [2024-10-11 13:32:51,891 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 552 transitions. Word has length 184 [2024-10-11 13:32:51,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:32:51,891 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 552 transitions. [2024-10-11 13:32:51,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 9 states have internal predecessors, (72), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-11 13:32:51,891 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 552 transitions. [2024-10-11 13:32:51,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-10-11 13:32:51,892 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:32:51,892 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:32:51,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-11 13:32:51,892 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:32:51,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:32:51,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1534350312, now seen corresponding path program 1 times [2024-10-11 13:32:51,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:32:51,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242354818] [2024-10-11 13:32:51,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:32:51,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:32:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:32:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:32:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:32:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:32:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:32:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:32:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:32:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:32:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:32:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:32:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:32:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:32:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:32:51,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:32:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:32:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:32:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:51,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:32:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:52,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:32:52,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:52,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:32:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:52,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:32:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:52,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:32:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:52,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:32:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:52,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:32:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:52,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:32:52,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:32:52,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242354818] [2024-10-11 13:32:52,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242354818] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:32:52,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:32:52,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 13:32:52,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199689252] [2024-10-11 13:32:52,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:32:52,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 13:32:52,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:32:52,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 13:32:52,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 13:32:52,018 INFO L87 Difference]: Start difference. First operand 420 states and 552 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:52,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:32:52,066 INFO L93 Difference]: Finished difference Result 860 states and 1130 transitions. [2024-10-11 13:32:52,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 13:32:52,066 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 184 [2024-10-11 13:32:52,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:32:52,071 INFO L225 Difference]: With dead ends: 860 [2024-10-11 13:32:52,071 INFO L226 Difference]: Without dead ends: 441 [2024-10-11 13:32:52,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 13:32:52,073 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 1 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 13:32:52,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 634 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 13:32:52,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-10-11 13:32:52,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 432. [2024-10-11 13:32:52,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 371 states have (on average 1.2237196765498652) internal successors, (454), 373 states have internal predecessors, (454), 55 states have call successors, (55), 5 states have call predecessors, (55), 5 states have return successors, (55), 53 states have call predecessors, (55), 55 states have call successors, (55) [2024-10-11 13:32:52,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 564 transitions. [2024-10-11 13:32:52,101 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 564 transitions. Word has length 184 [2024-10-11 13:32:52,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:32:52,101 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 564 transitions. [2024-10-11 13:32:52,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:52,101 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 564 transitions. [2024-10-11 13:32:52,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-10-11 13:32:52,102 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:32:52,102 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:32:52,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-11 13:32:52,103 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:32:52,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:32:52,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1749499734, now seen corresponding path program 1 times [2024-10-11 13:32:52,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:32:52,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009478728] [2024-10-11 13:32:52,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:32:52,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:32:52,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:52,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:32:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:52,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:32:52,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:52,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:32:52,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:52,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:32:52,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:52,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:32:52,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:52,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:32:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:52,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:32:52,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:52,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:32:52,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:52,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:32:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:52,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:32:52,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:52,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:32:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:52,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:32:52,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:52,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:32:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:52,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:32:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:52,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:32:52,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:52,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:32:52,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:52,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:32:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:52,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:32:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:52,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:32:52,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:52,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:32:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:52,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:32:52,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:52,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:32:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:52,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:32:52,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:52,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:32:52,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:32:52,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009478728] [2024-10-11 13:32:52,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009478728] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:32:52,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:32:52,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 13:32:52,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285755111] [2024-10-11 13:32:52,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:32:52,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 13:32:52,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:32:52,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 13:32:52,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 13:32:52,468 INFO L87 Difference]: Start difference. First operand 432 states and 564 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:52,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:32:52,792 INFO L93 Difference]: Finished difference Result 1016 states and 1318 transitions. [2024-10-11 13:32:52,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 13:32:52,793 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 184 [2024-10-11 13:32:52,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:32:52,796 INFO L225 Difference]: With dead ends: 1016 [2024-10-11 13:32:52,796 INFO L226 Difference]: Without dead ends: 585 [2024-10-11 13:32:52,797 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-10-11 13:32:52,797 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 267 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 13:32:52,797 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 682 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 13:32:52,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2024-10-11 13:32:52,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 459. [2024-10-11 13:32:52,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 398 states have (on average 1.2160804020100502) internal successors, (484), 400 states have internal predecessors, (484), 55 states have call successors, (55), 5 states have call predecessors, (55), 5 states have return successors, (55), 53 states have call predecessors, (55), 55 states have call successors, (55) [2024-10-11 13:32:52,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 594 transitions. [2024-10-11 13:32:52,823 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 594 transitions. Word has length 184 [2024-10-11 13:32:52,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:32:52,823 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 594 transitions. [2024-10-11 13:32:52,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:52,823 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 594 transitions. [2024-10-11 13:32:52,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-10-11 13:32:52,824 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:32:52,824 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:32:52,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-11 13:32:52,824 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:32:52,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:32:52,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1202589726, now seen corresponding path program 1 times [2024-10-11 13:32:52,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:32:52,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983194609] [2024-10-11 13:32:52,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:32:52,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:32:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:53,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:32:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:53,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:32:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:53,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:32:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:53,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:32:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:53,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:32:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:53,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:32:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:53,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:32:53,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:53,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:32:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:53,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:32:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:53,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:32:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:53,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:32:53,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:53,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:32:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:53,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:32:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:53,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:32:53,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:53,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:32:53,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:53,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:32:53,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:53,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:32:53,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:53,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:32:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:53,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:32:53,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:53,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:32:53,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:53,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:32:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:53,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:32:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:53,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:32:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:53,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:32:53,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:32:53,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983194609] [2024-10-11 13:32:53,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983194609] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:32:53,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:32:53,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 13:32:53,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131147220] [2024-10-11 13:32:53,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:32:53,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 13:32:53,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:32:53,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 13:32:53,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-11 13:32:53,535 INFO L87 Difference]: Start difference. First operand 459 states and 594 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:53,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:32:53,877 INFO L93 Difference]: Finished difference Result 994 states and 1290 transitions. [2024-10-11 13:32:53,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 13:32:53,878 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 184 [2024-10-11 13:32:53,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:32:53,880 INFO L225 Difference]: With dead ends: 994 [2024-10-11 13:32:53,881 INFO L226 Difference]: Without dead ends: 536 [2024-10-11 13:32:53,881 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 48 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-11 13:32:53,882 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 299 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 13:32:53,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 462 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 13:32:53,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2024-10-11 13:32:53,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 432. [2024-10-11 13:32:53,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 371 states have (on average 1.215633423180593) internal successors, (451), 373 states have internal predecessors, (451), 55 states have call successors, (55), 5 states have call predecessors, (55), 5 states have return successors, (55), 53 states have call predecessors, (55), 55 states have call successors, (55) [2024-10-11 13:32:53,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 561 transitions. [2024-10-11 13:32:53,911 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 561 transitions. Word has length 184 [2024-10-11 13:32:53,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:32:53,911 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 561 transitions. [2024-10-11 13:32:53,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:53,911 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 561 transitions. [2024-10-11 13:32:53,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-11 13:32:53,912 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:32:53,912 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:32:53,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-11 13:32:53,912 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:32:53,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:32:53,913 INFO L85 PathProgramCache]: Analyzing trace with hash -895956638, now seen corresponding path program 1 times [2024-10-11 13:32:53,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:32:53,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296053017] [2024-10-11 13:32:53,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:32:53,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:32:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:54,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:32:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:54,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:32:54,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:54,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:32:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:54,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:32:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:54,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:32:54,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:54,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:32:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:54,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:32:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:54,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:32:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:54,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:32:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:54,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:32:54,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:54,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:32:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:54,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:32:54,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:54,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:32:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:54,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:32:54,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:54,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:32:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:54,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:32:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:54,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:32:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:54,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:32:54,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:54,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:32:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:54,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:32:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:54,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:32:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:54,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:32:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:54,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:32:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:54,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:32:54,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:32:54,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296053017] [2024-10-11 13:32:54,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296053017] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:32:54,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:32:54,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 13:32:54,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893566916] [2024-10-11 13:32:54,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:32:54,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 13:32:54,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:32:54,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 13:32:54,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-11 13:32:54,625 INFO L87 Difference]: Start difference. First operand 432 states and 561 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:55,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:32:55,111 INFO L93 Difference]: Finished difference Result 1001 states and 1299 transitions. [2024-10-11 13:32:55,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 13:32:55,115 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 185 [2024-10-11 13:32:55,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:32:55,119 INFO L225 Difference]: With dead ends: 1001 [2024-10-11 13:32:55,119 INFO L226 Difference]: Without dead ends: 570 [2024-10-11 13:32:55,120 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-10-11 13:32:55,120 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 326 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 13:32:55,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 618 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 13:32:55,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2024-10-11 13:32:55,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 490. [2024-10-11 13:32:55,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 429 states have (on average 1.2121212121212122) internal successors, (520), 431 states have internal predecessors, (520), 55 states have call successors, (55), 5 states have call predecessors, (55), 5 states have return successors, (55), 53 states have call predecessors, (55), 55 states have call successors, (55) [2024-10-11 13:32:55,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 630 transitions. [2024-10-11 13:32:55,156 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 630 transitions. Word has length 185 [2024-10-11 13:32:55,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:32:55,156 INFO L471 AbstractCegarLoop]: Abstraction has 490 states and 630 transitions. [2024-10-11 13:32:55,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:55,156 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 630 transitions. [2024-10-11 13:32:55,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-11 13:32:55,157 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:32:55,157 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:32:55,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-11 13:32:55,158 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:32:55,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:32:55,158 INFO L85 PathProgramCache]: Analyzing trace with hash -472309916, now seen corresponding path program 1 times [2024-10-11 13:32:55,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:32:55,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388270614] [2024-10-11 13:32:55,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:32:55,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:32:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:56,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:32:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:56,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:32:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:56,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:32:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:56,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:32:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:56,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:32:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:56,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:32:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:56,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:32:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:56,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:32:56,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:56,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:32:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:56,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:32:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:56,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:32:56,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:56,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:32:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:56,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:32:56,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:56,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:32:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:56,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:32:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:56,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:32:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:56,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:32:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:56,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:32:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:56,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:32:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:56,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:32:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:56,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:32:56,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:56,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:32:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:56,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:32:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:56,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:32:56,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:32:56,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388270614] [2024-10-11 13:32:56,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388270614] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:32:56,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:32:56,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-11 13:32:56,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662544373] [2024-10-11 13:32:56,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:32:56,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 13:32:56,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:32:56,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 13:32:56,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-10-11 13:32:56,600 INFO L87 Difference]: Start difference. First operand 490 states and 630 transitions. Second operand has 15 states, 14 states have (on average 5.214285714285714) internal successors, (73), 15 states have internal predecessors, (73), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-10-11 13:32:57,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:32:57,544 INFO L93 Difference]: Finished difference Result 1110 states and 1431 transitions. [2024-10-11 13:32:57,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 13:32:57,545 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 5.214285714285714) internal successors, (73), 15 states have internal predecessors, (73), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 185 [2024-10-11 13:32:57,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:32:57,548 INFO L225 Difference]: With dead ends: 1110 [2024-10-11 13:32:57,548 INFO L226 Difference]: Without dead ends: 621 [2024-10-11 13:32:57,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 52 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2024-10-11 13:32:57,549 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 537 mSDsluCounter, 1066 mSDsCounter, 0 mSdLazyCounter, 943 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 537 SdHoareTripleChecker+Valid, 1260 SdHoareTripleChecker+Invalid, 1042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 13:32:57,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [537 Valid, 1260 Invalid, 1042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 943 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 13:32:57,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2024-10-11 13:32:57,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 604. [2024-10-11 13:32:57,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 604 states, 522 states have (on average 1.2203065134099618) internal successors, (637), 527 states have internal predecessors, (637), 73 states have call successors, (73), 8 states have call predecessors, (73), 8 states have return successors, (73), 68 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-11 13:32:57,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 783 transitions. [2024-10-11 13:32:57,600 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 783 transitions. Word has length 185 [2024-10-11 13:32:57,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:32:57,601 INFO L471 AbstractCegarLoop]: Abstraction has 604 states and 783 transitions. [2024-10-11 13:32:57,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 5.214285714285714) internal successors, (73), 15 states have internal predecessors, (73), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-10-11 13:32:57,601 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 783 transitions. [2024-10-11 13:32:57,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-11 13:32:57,603 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:32:57,603 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:32:57,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-11 13:32:57,603 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:32:57,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:32:57,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1191616542, now seen corresponding path program 1 times [2024-10-11 13:32:57,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:32:57,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536807134] [2024-10-11 13:32:57,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:32:57,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:32:57,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:58,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:32:58,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:58,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:32:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:58,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:32:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:58,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:32:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:58,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:32:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:58,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:32:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:58,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:32:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:58,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:32:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:58,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:32:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:58,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:32:58,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:58,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:32:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:58,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:32:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:58,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:32:58,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:58,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:32:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:58,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:32:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:58,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:32:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:58,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:32:58,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:58,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:32:58,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:58,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:32:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:58,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:32:58,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:58,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:32:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:58,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:32:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:58,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:32:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:32:58,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:32:58,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:32:58,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536807134] [2024-10-11 13:32:58,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536807134] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:32:58,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:32:58,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 13:32:58,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724342673] [2024-10-11 13:32:58,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:32:58,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 13:32:58,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:32:58,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 13:32:58,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-11 13:32:58,293 INFO L87 Difference]: Start difference. First operand 604 states and 783 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:58,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:32:58,693 INFO L93 Difference]: Finished difference Result 1260 states and 1644 transitions. [2024-10-11 13:32:58,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 13:32:58,693 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 185 [2024-10-11 13:32:58,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:32:58,696 INFO L225 Difference]: With dead ends: 1260 [2024-10-11 13:32:58,696 INFO L226 Difference]: Without dead ends: 657 [2024-10-11 13:32:58,698 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 48 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-11 13:32:58,699 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 185 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 13:32:58,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 647 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 13:32:58,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2024-10-11 13:32:58,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 595. [2024-10-11 13:32:58,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 513 states have (on average 1.2124756335282652) internal successors, (622), 518 states have internal predecessors, (622), 73 states have call successors, (73), 8 states have call predecessors, (73), 8 states have return successors, (73), 68 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-11 13:32:58,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 768 transitions. [2024-10-11 13:32:58,773 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 768 transitions. Word has length 185 [2024-10-11 13:32:58,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:32:58,773 INFO L471 AbstractCegarLoop]: Abstraction has 595 states and 768 transitions. [2024-10-11 13:32:58,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:32:58,774 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 768 transitions. [2024-10-11 13:32:58,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-11 13:32:58,775 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:32:58,775 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:32:58,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-10-11 13:32:58,775 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:32:58,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:32:58,775 INFO L85 PathProgramCache]: Analyzing trace with hash 2092233504, now seen corresponding path program 1 times [2024-10-11 13:32:58,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:32:58,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238389170] [2024-10-11 13:32:58,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:32:58,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:32:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:00,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:33:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:00,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:33:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:00,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:33:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:00,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:33:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:00,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:33:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:00,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:33:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:00,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:33:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:00,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:33:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:00,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:33:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:00,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:33:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:00,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:33:00,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:00,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:33:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:00,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:33:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:00,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:33:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:00,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:33:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:00,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:33:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:00,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:33:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:00,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:33:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:00,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:33:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:00,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:33:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:00,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:33:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:00,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:33:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:00,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:33:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:00,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:33:00,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:33:00,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238389170] [2024-10-11 13:33:00,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238389170] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:33:00,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:33:00,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-11 13:33:00,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971369523] [2024-10-11 13:33:00,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:33:00,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 13:33:00,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:33:00,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 13:33:00,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-10-11 13:33:00,106 INFO L87 Difference]: Start difference. First operand 595 states and 768 transitions. Second operand has 15 states, 14 states have (on average 5.214285714285714) internal successors, (73), 15 states have internal predecessors, (73), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-10-11 13:33:01,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:33:01,016 INFO L93 Difference]: Finished difference Result 1299 states and 1686 transitions. [2024-10-11 13:33:01,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 13:33:01,016 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 5.214285714285714) internal successors, (73), 15 states have internal predecessors, (73), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 185 [2024-10-11 13:33:01,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:33:01,019 INFO L225 Difference]: With dead ends: 1299 [2024-10-11 13:33:01,019 INFO L226 Difference]: Without dead ends: 705 [2024-10-11 13:33:01,021 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 52 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=125, Invalid=381, Unknown=0, NotChecked=0, Total=506 [2024-10-11 13:33:01,021 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 471 mSDsluCounter, 938 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 1099 SdHoareTripleChecker+Invalid, 908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 13:33:01,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [471 Valid, 1099 Invalid, 908 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 817 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 13:33:01,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2024-10-11 13:33:01,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 595. [2024-10-11 13:33:01,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 513 states have (on average 1.206627680311891) internal successors, (619), 518 states have internal predecessors, (619), 73 states have call successors, (73), 8 states have call predecessors, (73), 8 states have return successors, (73), 68 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-11 13:33:01,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 765 transitions. [2024-10-11 13:33:01,084 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 765 transitions. Word has length 185 [2024-10-11 13:33:01,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:33:01,085 INFO L471 AbstractCegarLoop]: Abstraction has 595 states and 765 transitions. [2024-10-11 13:33:01,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 5.214285714285714) internal successors, (73), 15 states have internal predecessors, (73), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-10-11 13:33:01,085 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 765 transitions. [2024-10-11 13:33:01,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-11 13:33:01,086 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:33:01,086 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:33:01,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-11 13:33:01,086 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:33:01,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:33:01,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1501669214, now seen corresponding path program 1 times [2024-10-11 13:33:01,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:33:01,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535870129] [2024-10-11 13:33:01,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:33:01,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:33:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:02,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:33:02,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:02,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:33:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:02,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:33:02,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:02,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:33:02,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:02,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:33:02,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:02,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:33:02,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:02,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:33:02,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:02,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:33:02,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:02,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:33:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:02,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:33:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:02,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:33:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:02,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:33:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:02,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:33:02,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:02,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:33:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:02,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:33:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:02,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:33:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:02,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:33:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:02,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:33:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:02,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:33:02,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:02,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:33:02,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:02,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:33:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:02,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:33:02,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:02,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:33:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:02,351 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:33:02,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:33:02,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535870129] [2024-10-11 13:33:02,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535870129] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:33:02,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:33:02,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-11 13:33:02,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320991466] [2024-10-11 13:33:02,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:33:02,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 13:33:02,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:33:02,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 13:33:02,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-10-11 13:33:02,352 INFO L87 Difference]: Start difference. First operand 595 states and 765 transitions. Second operand has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 13 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:33:03,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:33:03,236 INFO L93 Difference]: Finished difference Result 1289 states and 1665 transitions. [2024-10-11 13:33:03,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 13:33:03,238 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 13 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 185 [2024-10-11 13:33:03,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:33:03,241 INFO L225 Difference]: With dead ends: 1289 [2024-10-11 13:33:03,241 INFO L226 Difference]: Without dead ends: 695 [2024-10-11 13:33:03,242 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=105, Invalid=315, Unknown=0, NotChecked=0, Total=420 [2024-10-11 13:33:03,243 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 324 mSDsluCounter, 1206 mSDsCounter, 0 mSdLazyCounter, 868 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 1401 SdHoareTripleChecker+Invalid, 874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 13:33:03,243 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 1401 Invalid, 874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 868 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 13:33:03,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2024-10-11 13:33:03,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 608. [2024-10-11 13:33:03,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 526 states have (on average 1.203422053231939) internal successors, (633), 531 states have internal predecessors, (633), 73 states have call successors, (73), 8 states have call predecessors, (73), 8 states have return successors, (73), 68 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-11 13:33:03,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 779 transitions. [2024-10-11 13:33:03,295 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 779 transitions. Word has length 185 [2024-10-11 13:33:03,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:33:03,296 INFO L471 AbstractCegarLoop]: Abstraction has 608 states and 779 transitions. [2024-10-11 13:33:03,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 13 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:33:03,296 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 779 transitions. [2024-10-11 13:33:03,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-11 13:33:03,297 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:33:03,297 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:33:03,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-11 13:33:03,297 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:33:03,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:33:03,297 INFO L85 PathProgramCache]: Analyzing trace with hash 287545314, now seen corresponding path program 1 times [2024-10-11 13:33:03,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:33:03,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512761693] [2024-10-11 13:33:03,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:33:03,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:33:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:04,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:33:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:04,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:33:04,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:04,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:33:04,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:04,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:33:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:04,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:33:04,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:04,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:33:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:04,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:33:04,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:04,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:33:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:04,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:33:04,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:04,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:33:04,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:04,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:33:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:04,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:33:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:04,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:33:04,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:04,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:33:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:04,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:33:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:04,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:33:04,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:04,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:33:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:04,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:33:04,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:04,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:33:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:04,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:33:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:04,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:33:04,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:04,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:33:04,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:04,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:33:04,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:04,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:33:04,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:33:04,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512761693] [2024-10-11 13:33:04,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512761693] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:33:04,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:33:04,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-11 13:33:04,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584935148] [2024-10-11 13:33:04,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:33:04,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 13:33:04,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:33:04,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 13:33:04,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-10-11 13:33:04,362 INFO L87 Difference]: Start difference. First operand 608 states and 779 transitions. Second operand has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 13 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:33:05,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:33:05,020 INFO L93 Difference]: Finished difference Result 1237 states and 1587 transitions. [2024-10-11 13:33:05,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 13:33:05,023 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 13 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 185 [2024-10-11 13:33:05,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:33:05,026 INFO L225 Difference]: With dead ends: 1237 [2024-10-11 13:33:05,026 INFO L226 Difference]: Without dead ends: 630 [2024-10-11 13:33:05,027 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=106, Invalid=314, Unknown=0, NotChecked=0, Total=420 [2024-10-11 13:33:05,028 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 278 mSDsluCounter, 852 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 1021 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 13:33:05,028 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 1021 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 13:33:05,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2024-10-11 13:33:05,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 592. [2024-10-11 13:33:05,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 510 states have (on average 1.2058823529411764) internal successors, (615), 515 states have internal predecessors, (615), 73 states have call successors, (73), 8 states have call predecessors, (73), 8 states have return successors, (73), 68 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-11 13:33:05,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 761 transitions. [2024-10-11 13:33:05,085 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 761 transitions. Word has length 185 [2024-10-11 13:33:05,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:33:05,086 INFO L471 AbstractCegarLoop]: Abstraction has 592 states and 761 transitions. [2024-10-11 13:33:05,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 13 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:33:05,086 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 761 transitions. [2024-10-11 13:33:05,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-11 13:33:05,088 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:33:05,088 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:33:05,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-10-11 13:33:05,088 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:33:05,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:33:05,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1390099046, now seen corresponding path program 1 times [2024-10-11 13:33:05,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:33:05,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580666031] [2024-10-11 13:33:05,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:33:05,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:33:05,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:05,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:33:05,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:05,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:33:05,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:05,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:33:05,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:05,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:33:05,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:05,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:33:05,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:05,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:33:05,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:05,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:33:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:05,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:33:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:05,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:33:05,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:05,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:33:05,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:05,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:33:05,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:05,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:33:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:05,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:33:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:05,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:33:05,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:05,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:33:05,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:05,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:33:05,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:05,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:33:05,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:05,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:33:05,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:05,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:33:05,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:05,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:33:05,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:05,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:33:05,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:05,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:33:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:05,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:33:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:05,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:33:05,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:33:05,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580666031] [2024-10-11 13:33:05,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580666031] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:33:05,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:33:05,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 13:33:05,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162212412] [2024-10-11 13:33:05,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:33:05,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 13:33:05,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:33:05,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 13:33:05,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 13:33:05,179 INFO L87 Difference]: Start difference. First operand 592 states and 761 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:33:05,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:33:05,247 INFO L93 Difference]: Finished difference Result 1201 states and 1545 transitions. [2024-10-11 13:33:05,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 13:33:05,248 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 186 [2024-10-11 13:33:05,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:33:05,250 INFO L225 Difference]: With dead ends: 1201 [2024-10-11 13:33:05,250 INFO L226 Difference]: Without dead ends: 610 [2024-10-11 13:33:05,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 13:33:05,252 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 1 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 13:33:05,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 480 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 13:33:05,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2024-10-11 13:33:05,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 604. [2024-10-11 13:33:05,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 604 states, 522 states have (on average 1.2011494252873562) internal successors, (627), 527 states have internal predecessors, (627), 73 states have call successors, (73), 8 states have call predecessors, (73), 8 states have return successors, (73), 68 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-11 13:33:05,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 773 transitions. [2024-10-11 13:33:05,311 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 773 transitions. Word has length 186 [2024-10-11 13:33:05,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:33:05,312 INFO L471 AbstractCegarLoop]: Abstraction has 604 states and 773 transitions. [2024-10-11 13:33:05,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:33:05,313 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 773 transitions. [2024-10-11 13:33:05,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-11 13:33:05,314 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:33:05,314 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:33:05,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-10-11 13:33:05,314 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:33:05,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:33:05,315 INFO L85 PathProgramCache]: Analyzing trace with hash -710040676, now seen corresponding path program 1 times [2024-10-11 13:33:05,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:33:05,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782248107] [2024-10-11 13:33:05,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:33:05,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:33:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:06,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:33:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:06,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:33:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:06,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:33:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:06,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:33:06,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:06,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:33:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:06,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:33:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:06,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:33:06,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:06,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:33:06,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:06,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:33:06,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:06,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:33:06,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:06,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:33:06,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:06,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:33:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:06,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:33:06,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:06,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:33:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:06,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:33:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:06,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:33:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:06,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:33:06,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:06,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:33:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:06,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:33:06,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:06,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:33:06,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:06,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:33:06,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:06,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:33:06,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:06,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:33:06,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:06,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:33:06,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:33:06,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782248107] [2024-10-11 13:33:06,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782248107] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:33:06,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:33:06,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 13:33:06,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207760670] [2024-10-11 13:33:06,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:33:06,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 13:33:06,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:33:06,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 13:33:06,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-10-11 13:33:06,230 INFO L87 Difference]: Start difference. First operand 604 states and 773 transitions. Second operand has 12 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 12 states have internal predecessors, (74), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-10-11 13:33:06,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:33:06,820 INFO L93 Difference]: Finished difference Result 1721 states and 2197 transitions. [2024-10-11 13:33:06,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 13:33:06,820 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 12 states have internal predecessors, (74), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 186 [2024-10-11 13:33:06,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:33:06,824 INFO L225 Difference]: With dead ends: 1721 [2024-10-11 13:33:06,824 INFO L226 Difference]: Without dead ends: 1118 [2024-10-11 13:33:06,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2024-10-11 13:33:06,838 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 893 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 894 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 13:33:06,839 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [894 Valid, 528 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 13:33:06,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1118 states. [2024-10-11 13:33:06,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1118 to 1113. [2024-10-11 13:33:06,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1113 states, 977 states have (on average 1.2006141248720572) internal successors, (1173), 988 states have internal predecessors, (1173), 121 states have call successors, (121), 14 states have call predecessors, (121), 14 states have return successors, (121), 110 states have call predecessors, (121), 121 states have call successors, (121) [2024-10-11 13:33:06,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 1113 states and 1415 transitions. [2024-10-11 13:33:06,944 INFO L78 Accepts]: Start accepts. Automaton has 1113 states and 1415 transitions. Word has length 186 [2024-10-11 13:33:06,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:33:06,945 INFO L471 AbstractCegarLoop]: Abstraction has 1113 states and 1415 transitions. [2024-10-11 13:33:06,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 12 states have internal predecessors, (74), 4 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-10-11 13:33:06,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1415 transitions. [2024-10-11 13:33:06,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-11 13:33:06,946 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:33:06,947 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:33:06,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-10-11 13:33:06,947 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:33:06,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:33:06,947 INFO L85 PathProgramCache]: Analyzing trace with hash -2091163624, now seen corresponding path program 1 times [2024-10-11 13:33:06,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:33:06,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781885292] [2024-10-11 13:33:06,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:33:06,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:33:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:07,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:33:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:07,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:33:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:07,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:33:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:07,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:33:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:07,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:33:07,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:07,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:33:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:07,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:33:07,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:07,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:33:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:07,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:33:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:07,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:33:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:07,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:33:07,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:07,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:33:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:07,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:33:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:07,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:33:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:07,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:33:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:07,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:33:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:07,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:33:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:07,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:33:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:07,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:33:07,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:07,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:33:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:07,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:33:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:07,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:33:07,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:07,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:33:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:07,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:33:07,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:33:07,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781885292] [2024-10-11 13:33:07,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781885292] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:33:07,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:33:07,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 13:33:07,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221774640] [2024-10-11 13:33:07,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:33:07,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 13:33:07,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:33:07,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 13:33:07,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-11 13:33:07,720 INFO L87 Difference]: Start difference. First operand 1113 states and 1415 transitions. Second operand has 11 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 11 states have internal predecessors, (74), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:33:08,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:33:08,273 INFO L93 Difference]: Finished difference Result 3006 states and 3785 transitions. [2024-10-11 13:33:08,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 13:33:08,274 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 11 states have internal predecessors, (74), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 186 [2024-10-11 13:33:08,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:33:08,280 INFO L225 Difference]: With dead ends: 3006 [2024-10-11 13:33:08,281 INFO L226 Difference]: Without dead ends: 1894 [2024-10-11 13:33:08,283 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2024-10-11 13:33:08,283 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 310 mSDsluCounter, 753 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 13:33:08,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 903 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 13:33:08,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1894 states. [2024-10-11 13:33:08,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1894 to 1715. [2024-10-11 13:33:08,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1715 states, 1579 states have (on average 1.1798606713109563) internal successors, (1863), 1590 states have internal predecessors, (1863), 121 states have call successors, (121), 14 states have call predecessors, (121), 14 states have return successors, (121), 110 states have call predecessors, (121), 121 states have call successors, (121) [2024-10-11 13:33:08,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 1715 states and 2105 transitions. [2024-10-11 13:33:08,404 INFO L78 Accepts]: Start accepts. Automaton has 1715 states and 2105 transitions. Word has length 186 [2024-10-11 13:33:08,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:33:08,405 INFO L471 AbstractCegarLoop]: Abstraction has 1715 states and 2105 transitions. [2024-10-11 13:33:08,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 11 states have internal predecessors, (74), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:33:08,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1715 states and 2105 transitions. [2024-10-11 13:33:08,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-11 13:33:08,408 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:33:08,408 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:33:08,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-10-11 13:33:08,408 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:33:08,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:33:08,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1431632102, now seen corresponding path program 1 times [2024-10-11 13:33:08,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:33:08,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37946690] [2024-10-11 13:33:08,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:33:08,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:33:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:09,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:33:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:09,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:33:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:09,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:33:09,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:09,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:33:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:09,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:33:09,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:09,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:33:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:09,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:33:09,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:09,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:33:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:09,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:33:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:09,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:33:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:09,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:33:09,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:09,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:33:09,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:09,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:33:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:09,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:33:09,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:09,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:33:09,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:09,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:33:09,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:09,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:33:09,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:09,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:33:09,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:09,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:33:09,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:09,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:33:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:09,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:33:09,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:09,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:33:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:09,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:33:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:09,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:33:09,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:33:09,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37946690] [2024-10-11 13:33:09,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37946690] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:33:09,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:33:09,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-11 13:33:09,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769716414] [2024-10-11 13:33:09,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:33:09,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 13:33:09,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:33:09,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 13:33:09,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-10-11 13:33:09,405 INFO L87 Difference]: Start difference. First operand 1715 states and 2105 transitions. Second operand has 14 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 13 states have internal predecessors, (74), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-10-11 13:33:10,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:33:10,399 INFO L93 Difference]: Finished difference Result 3999 states and 4915 transitions. [2024-10-11 13:33:10,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 13:33:10,400 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 13 states have internal predecessors, (74), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 186 [2024-10-11 13:33:10,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:33:10,406 INFO L225 Difference]: With dead ends: 3999 [2024-10-11 13:33:10,407 INFO L226 Difference]: Without dead ends: 2285 [2024-10-11 13:33:10,409 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=127, Invalid=335, Unknown=0, NotChecked=0, Total=462 [2024-10-11 13:33:10,409 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 623 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 623 SdHoareTripleChecker+Valid, 853 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 13:33:10,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [623 Valid, 853 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 13:33:10,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2285 states. [2024-10-11 13:33:10,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2285 to 2256. [2024-10-11 13:33:10,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2256 states, 2046 states have (on average 1.1764418377321604) internal successors, (2407), 2064 states have internal predecessors, (2407), 185 states have call successors, (185), 24 states have call predecessors, (185), 24 states have return successors, (185), 167 states have call predecessors, (185), 185 states have call successors, (185) [2024-10-11 13:33:10,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2256 states to 2256 states and 2777 transitions. [2024-10-11 13:33:10,620 INFO L78 Accepts]: Start accepts. Automaton has 2256 states and 2777 transitions. Word has length 186 [2024-10-11 13:33:10,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:33:10,620 INFO L471 AbstractCegarLoop]: Abstraction has 2256 states and 2777 transitions. [2024-10-11 13:33:10,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 13 states have internal predecessors, (74), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-10-11 13:33:10,621 INFO L276 IsEmpty]: Start isEmpty. Operand 2256 states and 2777 transitions. [2024-10-11 13:33:10,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-11 13:33:10,623 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:33:10,624 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:33:10,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-10-11 13:33:10,624 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:33:10,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:33:10,624 INFO L85 PathProgramCache]: Analyzing trace with hash -751573732, now seen corresponding path program 1 times [2024-10-11 13:33:10,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:33:10,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408593756] [2024-10-11 13:33:10,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:33:10,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:33:10,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:11,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:33:11,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:11,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:33:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:11,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:33:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:11,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:33:11,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:11,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:33:11,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:11,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:33:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:11,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:33:11,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:11,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:33:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:11,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:33:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:11,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:33:11,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:11,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:33:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:11,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:33:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:11,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:33:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:11,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:33:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:11,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:33:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:11,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:33:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:11,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:33:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:11,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:33:11,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:11,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:33:11,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:11,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:33:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:11,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:33:11,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:11,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:33:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:11,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:33:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:11,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:33:11,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:33:11,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408593756] [2024-10-11 13:33:11,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408593756] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:33:11,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:33:11,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 13:33:11,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603818787] [2024-10-11 13:33:11,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:33:11,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 13:33:11,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:33:11,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 13:33:11,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-11 13:33:11,202 INFO L87 Difference]: Start difference. First operand 2256 states and 2777 transitions. Second operand has 11 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 11 states have internal predecessors, (74), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:33:11,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:33:11,683 INFO L93 Difference]: Finished difference Result 4902 states and 6031 transitions. [2024-10-11 13:33:11,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 13:33:11,687 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 11 states have internal predecessors, (74), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 186 [2024-10-11 13:33:11,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:33:11,695 INFO L225 Difference]: With dead ends: 4902 [2024-10-11 13:33:11,695 INFO L226 Difference]: Without dead ends: 2671 [2024-10-11 13:33:11,698 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-10-11 13:33:11,699 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 260 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 1181 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 13:33:11,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 1181 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 13:33:11,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2671 states. [2024-10-11 13:33:11,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2671 to 2537. [2024-10-11 13:33:11,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2537 states, 2327 states have (on average 1.1736140954018048) internal successors, (2731), 2345 states have internal predecessors, (2731), 185 states have call successors, (185), 24 states have call predecessors, (185), 24 states have return successors, (185), 167 states have call predecessors, (185), 185 states have call successors, (185) [2024-10-11 13:33:11,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2537 states to 2537 states and 3101 transitions. [2024-10-11 13:33:11,919 INFO L78 Accepts]: Start accepts. Automaton has 2537 states and 3101 transitions. Word has length 186 [2024-10-11 13:33:11,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:33:11,919 INFO L471 AbstractCegarLoop]: Abstraction has 2537 states and 3101 transitions. [2024-10-11 13:33:11,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 11 states have internal predecessors, (74), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:33:11,919 INFO L276 IsEmpty]: Start isEmpty. Operand 2537 states and 3101 transitions. [2024-10-11 13:33:11,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-11 13:33:11,923 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:33:11,923 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:33:11,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-10-11 13:33:11,923 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:33:11,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:33:11,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1017968028, now seen corresponding path program 1 times [2024-10-11 13:33:11,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:33:11,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775906204] [2024-10-11 13:33:11,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:33:11,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:33:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:12,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:33:12,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:12,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:33:12,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:12,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:33:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:12,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:33:12,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:12,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:33:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:12,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:33:12,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:12,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:33:12,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:12,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:33:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:12,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:33:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:12,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:33:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:12,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:33:12,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:12,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:33:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:12,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:33:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:12,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:33:12,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:12,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:33:12,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:12,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:33:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:12,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:33:12,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:12,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:33:12,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:12,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:33:12,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:12,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:33:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:12,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:33:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:12,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:33:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:12,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:33:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:12,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:33:12,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:33:12,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775906204] [2024-10-11 13:33:12,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775906204] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:33:12,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:33:12,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 13:33:12,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750356547] [2024-10-11 13:33:12,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:33:12,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 13:33:12,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:33:12,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 13:33:12,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-10-11 13:33:12,371 INFO L87 Difference]: Start difference. First operand 2537 states and 3101 transitions. Second operand has 8 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-11 13:33:12,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:33:12,870 INFO L93 Difference]: Finished difference Result 5015 states and 6115 transitions. [2024-10-11 13:33:12,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 13:33:12,871 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 186 [2024-10-11 13:33:12,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:33:12,879 INFO L225 Difference]: With dead ends: 5015 [2024-10-11 13:33:12,879 INFO L226 Difference]: Without dead ends: 2503 [2024-10-11 13:33:12,883 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-10-11 13:33:12,883 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 213 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 13:33:12,884 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 609 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 13:33:12,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2503 states. [2024-10-11 13:33:13,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2503 to 2244. [2024-10-11 13:33:13,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2244 states, 2034 states have (on average 1.1656833824975419) internal successors, (2371), 2052 states have internal predecessors, (2371), 185 states have call successors, (185), 24 states have call predecessors, (185), 24 states have return successors, (185), 167 states have call predecessors, (185), 185 states have call successors, (185) [2024-10-11 13:33:13,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2244 states to 2244 states and 2741 transitions. [2024-10-11 13:33:13,118 INFO L78 Accepts]: Start accepts. Automaton has 2244 states and 2741 transitions. Word has length 186 [2024-10-11 13:33:13,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:33:13,119 INFO L471 AbstractCegarLoop]: Abstraction has 2244 states and 2741 transitions. [2024-10-11 13:33:13,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-11 13:33:13,119 INFO L276 IsEmpty]: Start isEmpty. Operand 2244 states and 2741 transitions. [2024-10-11 13:33:13,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-10-11 13:33:13,122 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:33:13,122 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:33:13,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-10-11 13:33:13,122 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:33:13,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:33:13,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1525183462, now seen corresponding path program 1 times [2024-10-11 13:33:13,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:33:13,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135013365] [2024-10-11 13:33:13,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:33:13,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:33:13,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:14,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:33:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:14,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:33:14,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:14,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:33:14,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:14,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:33:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:14,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:33:14,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:14,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:33:14,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:14,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:33:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:14,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:33:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:14,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:33:14,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:14,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:33:14,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:14,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:33:14,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:14,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:33:14,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:14,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:33:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:14,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:33:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:14,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:33:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:14,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:33:14,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:14,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:33:14,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:14,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:33:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:14,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:33:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:14,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:33:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:14,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:33:14,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:14,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:33:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:14,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:33:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:14,283 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:33:14,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:33:14,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135013365] [2024-10-11 13:33:14,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135013365] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:33:14,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:33:14,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-11 13:33:14,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959690478] [2024-10-11 13:33:14,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:33:14,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 13:33:14,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:33:14,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 13:33:14,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-11 13:33:14,288 INFO L87 Difference]: Start difference. First operand 2244 states and 2741 transitions. Second operand has 15 states, 15 states have (on average 5.0) internal successors, (75), 15 states have internal predecessors, (75), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-11 13:33:15,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:33:15,727 INFO L93 Difference]: Finished difference Result 6054 states and 7284 transitions. [2024-10-11 13:33:15,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 13:33:15,729 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.0) internal successors, (75), 15 states have internal predecessors, (75), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 187 [2024-10-11 13:33:15,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:33:15,737 INFO L225 Difference]: With dead ends: 6054 [2024-10-11 13:33:15,737 INFO L226 Difference]: Without dead ends: 3835 [2024-10-11 13:33:15,741 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=145, Invalid=505, Unknown=0, NotChecked=0, Total=650 [2024-10-11 13:33:15,741 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 449 mSDsluCounter, 1390 mSDsCounter, 0 mSdLazyCounter, 1138 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 1594 SdHoareTripleChecker+Invalid, 1170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 13:33:15,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [449 Valid, 1594 Invalid, 1170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1138 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 13:33:15,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3835 states. [2024-10-11 13:33:15,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3835 to 2429. [2024-10-11 13:33:15,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2429 states, 2219 states have (on average 1.160883280757098) internal successors, (2576), 2237 states have internal predecessors, (2576), 185 states have call successors, (185), 24 states have call predecessors, (185), 24 states have return successors, (185), 167 states have call predecessors, (185), 185 states have call successors, (185) [2024-10-11 13:33:15,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2429 states to 2429 states and 2946 transitions. [2024-10-11 13:33:15,979 INFO L78 Accepts]: Start accepts. Automaton has 2429 states and 2946 transitions. Word has length 187 [2024-10-11 13:33:15,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:33:15,980 INFO L471 AbstractCegarLoop]: Abstraction has 2429 states and 2946 transitions. [2024-10-11 13:33:15,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.0) internal successors, (75), 15 states have internal predecessors, (75), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-11 13:33:15,980 INFO L276 IsEmpty]: Start isEmpty. Operand 2429 states and 2946 transitions. [2024-10-11 13:33:15,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-10-11 13:33:15,983 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:33:15,983 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:33:15,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-10-11 13:33:15,984 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:33:15,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:33:15,984 INFO L85 PathProgramCache]: Analyzing trace with hash -823583588, now seen corresponding path program 1 times [2024-10-11 13:33:15,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:33:15,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984746509] [2024-10-11 13:33:15,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:33:15,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:33:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:16,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:33:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:16,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:33:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:16,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:33:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:16,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:33:16,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:16,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:33:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:16,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:33:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:16,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:33:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:16,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:33:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:16,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:33:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:16,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:33:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:16,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:33:16,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:16,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:33:16,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:16,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:33:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:16,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:33:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:16,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:33:16,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:16,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:33:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:16,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:33:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:16,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:33:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:16,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:33:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:16,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:33:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:16,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:33:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:16,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:33:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:16,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:33:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:16,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:33:16,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:33:16,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984746509] [2024-10-11 13:33:16,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984746509] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:33:16,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:33:16,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 13:33:16,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905821901] [2024-10-11 13:33:16,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:33:16,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 13:33:16,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:33:16,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 13:33:16,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-10-11 13:33:16,449 INFO L87 Difference]: Start difference. First operand 2429 states and 2946 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-11 13:33:16,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:33:16,961 INFO L93 Difference]: Finished difference Result 4614 states and 5607 transitions. [2024-10-11 13:33:16,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 13:33:16,961 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 187 [2024-10-11 13:33:16,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:33:16,966 INFO L225 Difference]: With dead ends: 4614 [2024-10-11 13:33:16,967 INFO L226 Difference]: Without dead ends: 2210 [2024-10-11 13:33:16,969 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-10-11 13:33:16,969 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 243 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 13:33:16,969 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 469 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 13:33:16,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2210 states. [2024-10-11 13:33:17,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2210 to 2210. [2024-10-11 13:33:17,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2210 states, 2000 states have (on average 1.1575) internal successors, (2315), 2018 states have internal predecessors, (2315), 185 states have call successors, (185), 24 states have call predecessors, (185), 24 states have return successors, (185), 167 states have call predecessors, (185), 185 states have call successors, (185) [2024-10-11 13:33:17,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2210 states to 2210 states and 2685 transitions. [2024-10-11 13:33:17,188 INFO L78 Accepts]: Start accepts. Automaton has 2210 states and 2685 transitions. Word has length 187 [2024-10-11 13:33:17,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:33:17,189 INFO L471 AbstractCegarLoop]: Abstraction has 2210 states and 2685 transitions. [2024-10-11 13:33:17,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-11 13:33:17,189 INFO L276 IsEmpty]: Start isEmpty. Operand 2210 states and 2685 transitions. [2024-10-11 13:33:17,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-10-11 13:33:17,192 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:33:17,192 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:33:17,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-10-11 13:33:17,193 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:33:17,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:33:17,193 INFO L85 PathProgramCache]: Analyzing trace with hash 625207507, now seen corresponding path program 1 times [2024-10-11 13:33:17,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:33:17,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819856153] [2024-10-11 13:33:17,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:33:17,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:33:17,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:17,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:33:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:17,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:33:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:17,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:33:17,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:17,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:33:17,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:17,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:33:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:17,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:33:17,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:17,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:33:17,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:17,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:33:17,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:17,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:33:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:17,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:33:17,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:17,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:33:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:17,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:33:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:17,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:33:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:17,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:33:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:17,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:33:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:17,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:33:17,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:17,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:33:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:17,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:33:17,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:17,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:33:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:17,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:33:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:17,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:33:18,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:18,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:33:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:18,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:33:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:18,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:33:18,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:33:18,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819856153] [2024-10-11 13:33:18,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819856153] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:33:18,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:33:18,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 13:33:18,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094238243] [2024-10-11 13:33:18,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:33:18,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 13:33:18,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:33:18,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 13:33:18,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-11 13:33:18,009 INFO L87 Difference]: Start difference. First operand 2210 states and 2685 transitions. Second operand has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:33:18,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:33:18,742 INFO L93 Difference]: Finished difference Result 5229 states and 6337 transitions. [2024-10-11 13:33:18,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 13:33:18,748 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 188 [2024-10-11 13:33:18,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:33:18,754 INFO L225 Difference]: With dead ends: 5229 [2024-10-11 13:33:18,754 INFO L226 Difference]: Without dead ends: 3044 [2024-10-11 13:33:18,758 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2024-10-11 13:33:18,759 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 315 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 1045 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 13:33:18,759 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 1045 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 13:33:18,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3044 states. [2024-10-11 13:33:18,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3044 to 2210. [2024-10-11 13:33:18,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2210 states, 2000 states have (on average 1.1575) internal successors, (2315), 2018 states have internal predecessors, (2315), 185 states have call successors, (185), 24 states have call predecessors, (185), 24 states have return successors, (185), 167 states have call predecessors, (185), 185 states have call successors, (185) [2024-10-11 13:33:18,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2210 states to 2210 states and 2685 transitions. [2024-10-11 13:33:18,988 INFO L78 Accepts]: Start accepts. Automaton has 2210 states and 2685 transitions. Word has length 188 [2024-10-11 13:33:18,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:33:18,988 INFO L471 AbstractCegarLoop]: Abstraction has 2210 states and 2685 transitions. [2024-10-11 13:33:18,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-11 13:33:18,989 INFO L276 IsEmpty]: Start isEmpty. Operand 2210 states and 2685 transitions. [2024-10-11 13:33:18,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-10-11 13:33:18,993 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:33:18,993 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:33:18,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-10-11 13:33:18,993 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:33:18,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:33:18,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1305265877, now seen corresponding path program 1 times [2024-10-11 13:33:18,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:33:18,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171211625] [2024-10-11 13:33:18,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:33:18,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:33:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:19,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:33:19,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:19,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:33:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:19,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:33:19,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:19,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:33:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:19,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:33:19,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:19,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:33:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:19,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:33:19,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:19,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:33:19,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:19,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:33:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:19,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:33:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:19,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:33:19,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:19,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:33:19,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:19,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:33:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:19,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:33:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:19,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:33:19,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:19,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:33:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:19,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:33:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:19,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:33:19,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:19,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:33:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:19,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:33:19,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:19,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:33:19,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:19,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:33:19,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:19,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:33:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:19,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 13:33:19,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:33:19,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171211625] [2024-10-11 13:33:19,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171211625] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:33:19,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:33:19,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-11 13:33:19,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608606747] [2024-10-11 13:33:19,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:33:19,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 13:33:19,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:33:19,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 13:33:19,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-10-11 13:33:19,855 INFO L87 Difference]: Start difference. First operand 2210 states and 2685 transitions. Second operand has 14 states, 13 states have (on average 5.846153846153846) internal successors, (76), 13 states have internal predecessors, (76), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-10-11 13:33:20,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:33:20,760 INFO L93 Difference]: Finished difference Result 4873 states and 5918 transitions. [2024-10-11 13:33:20,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 13:33:20,761 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.846153846153846) internal successors, (76), 13 states have internal predecessors, (76), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 188 [2024-10-11 13:33:20,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:33:20,766 INFO L225 Difference]: With dead ends: 4873 [2024-10-11 13:33:20,767 INFO L226 Difference]: Without dead ends: 2688 [2024-10-11 13:33:20,770 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-10-11 13:33:20,770 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 854 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 854 SdHoareTripleChecker+Valid, 748 SdHoareTripleChecker+Invalid, 770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 13:33:20,770 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [854 Valid, 748 Invalid, 770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 13:33:20,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2688 states. [2024-10-11 13:33:21,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2688 to 2420. [2024-10-11 13:33:21,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2420 states, 2150 states have (on average 1.1548837209302325) internal successors, (2483), 2174 states have internal predecessors, (2483), 239 states have call successors, (239), 30 states have call predecessors, (239), 30 states have return successors, (239), 215 states have call predecessors, (239), 239 states have call successors, (239) [2024-10-11 13:33:21,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2420 states to 2420 states and 2961 transitions. [2024-10-11 13:33:21,066 INFO L78 Accepts]: Start accepts. Automaton has 2420 states and 2961 transitions. Word has length 188 [2024-10-11 13:33:21,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:33:21,066 INFO L471 AbstractCegarLoop]: Abstraction has 2420 states and 2961 transitions. [2024-10-11 13:33:21,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.846153846153846) internal successors, (76), 13 states have internal predecessors, (76), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-10-11 13:33:21,066 INFO L276 IsEmpty]: Start isEmpty. Operand 2420 states and 2961 transitions. [2024-10-11 13:33:21,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-10-11 13:33:21,069 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:33:21,070 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:33:21,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-10-11 13:33:21,070 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:33:21,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:33:21,070 INFO L85 PathProgramCache]: Analyzing trace with hash 843554022, now seen corresponding path program 1 times [2024-10-11 13:33:21,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:33:21,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372454253] [2024-10-11 13:33:21,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:33:21,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:33:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:21,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:33:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:21,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:33:21,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:21,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:33:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:21,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:33:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:21,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:33:21,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:21,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:33:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:21,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:33:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:21,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:33:21,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:21,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:33:21,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:21,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:33:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:21,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:33:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:21,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:33:21,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:21,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:33:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:21,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:33:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:21,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:33:21,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:21,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:33:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:21,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:33:21,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:21,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:33:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:21,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:33:21,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:21,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:33:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:21,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:33:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:21,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:33:21,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:21,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:33:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:21,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 9 proven. 57 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-11 13:33:21,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:33:21,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372454253] [2024-10-11 13:33:21,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372454253] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 13:33:21,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356174383] [2024-10-11 13:33:21,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:33:21,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 13:33:21,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 13:33:21,686 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 13:33:21,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 13:33:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:21,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-10-11 13:33:21,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 13:33:22,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-10-11 13:33:23,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-10-11 13:33:23,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-10-11 13:33:24,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2024-10-11 13:33:24,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 13:33:24,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 50 [2024-10-11 13:33:24,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 13:33:24,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 13:33:24,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 23 [2024-10-11 13:33:24,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 13:33:24,993 INFO L349 Elim1Store]: treesize reduction 40, result has 43.7 percent of original size [2024-10-11 13:33:24,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 53 treesize of output 70 [2024-10-11 13:33:25,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 123 proven. 537 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2024-10-11 13:33:25,122 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 13:33:25,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1356174383] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 13:33:25,417 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 13:33:25,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 18 [2024-10-11 13:33:25,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567322380] [2024-10-11 13:33:25,417 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 13:33:25,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-11 13:33:25,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:33:25,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-11 13:33:25,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=439, Unknown=0, NotChecked=0, Total=506 [2024-10-11 13:33:25,418 INFO L87 Difference]: Start difference. First operand 2420 states and 2961 transitions. Second operand has 18 states, 16 states have (on average 8.0) internal successors, (128), 18 states have internal predecessors, (128), 8 states have call successors, (46), 4 states have call predecessors, (46), 6 states have return successors, (46), 6 states have call predecessors, (46), 8 states have call successors, (46) [2024-10-11 13:33:27,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:33:27,497 INFO L93 Difference]: Finished difference Result 4578 states and 5547 transitions. [2024-10-11 13:33:27,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-11 13:33:27,498 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 8.0) internal successors, (128), 18 states have internal predecessors, (128), 8 states have call successors, (46), 4 states have call predecessors, (46), 6 states have return successors, (46), 6 states have call predecessors, (46), 8 states have call successors, (46) Word has length 188 [2024-10-11 13:33:27,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:33:27,504 INFO L225 Difference]: With dead ends: 4578 [2024-10-11 13:33:27,504 INFO L226 Difference]: Without dead ends: 2183 [2024-10-11 13:33:27,508 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 393 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 476 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=416, Invalid=1936, Unknown=0, NotChecked=0, Total=2352 [2024-10-11 13:33:27,508 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 276 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 1116 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 1283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 1116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 13:33:27,509 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 770 Invalid, 1283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 1116 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 13:33:27,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2183 states. [2024-10-11 13:33:27,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2183 to 2079. [2024-10-11 13:33:27,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2079 states, 1771 states have (on average 1.1468097120271032) internal successors, (2031), 1795 states have internal predecessors, (2031), 239 states have call successors, (239), 68 states have call predecessors, (239), 68 states have return successors, (239), 215 states have call predecessors, (239), 239 states have call successors, (239) [2024-10-11 13:33:27,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2079 states to 2079 states and 2509 transitions. [2024-10-11 13:33:27,915 INFO L78 Accepts]: Start accepts. Automaton has 2079 states and 2509 transitions. Word has length 188 [2024-10-11 13:33:27,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:33:27,915 INFO L471 AbstractCegarLoop]: Abstraction has 2079 states and 2509 transitions. [2024-10-11 13:33:27,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 8.0) internal successors, (128), 18 states have internal predecessors, (128), 8 states have call successors, (46), 4 states have call predecessors, (46), 6 states have return successors, (46), 6 states have call predecessors, (46), 8 states have call successors, (46) [2024-10-11 13:33:27,916 INFO L276 IsEmpty]: Start isEmpty. Operand 2079 states and 2509 transitions. [2024-10-11 13:33:27,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-10-11 13:33:27,918 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:33:27,918 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:33:27,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 13:33:28,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 13:33:28,120 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:33:28,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:33:28,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1160132952, now seen corresponding path program 1 times [2024-10-11 13:33:28,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:33:28,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759736863] [2024-10-11 13:33:28,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:33:28,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:33:28,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:28,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:33:28,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:28,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:33:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:28,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:33:28,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:28,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:33:28,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:28,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:33:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:28,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:33:28,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:28,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:33:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:28,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:33:28,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:28,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:33:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:28,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:33:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:28,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:33:28,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:28,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:33:28,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:28,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:33:28,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:28,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:33:28,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:28,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:33:28,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:28,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:33:28,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:28,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 13:33:28,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:28,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 13:33:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:28,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 13:33:28,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:28,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 13:33:28,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:28,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 13:33:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:28,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 13:33:28,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:28,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 13:33:28,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:28,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 15 proven. 51 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-11 13:33:28,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:33:28,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759736863] [2024-10-11 13:33:28,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759736863] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 13:33:28,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22932747] [2024-10-11 13:33:28,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:33:28,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 13:33:28,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 13:33:28,729 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 13:33:28,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 13:33:28,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:33:28,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-10-11 13:33:28,954 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 13:33:30,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-10-11 13:33:31,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2024-10-11 13:33:31,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 13:33:31,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 50 [2024-10-11 13:33:31,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 13:33:31,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 13:33:31,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 23 [2024-10-11 13:33:31,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 56 [2024-10-11 13:33:31,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 13:33:31,537 INFO L349 Elim1Store]: treesize reduction 74, result has 26.7 percent of original size [2024-10-11 13:33:31,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 56 treesize of output 96 [2024-10-11 13:33:31,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 13:33:31,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 13:33:31,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 23 [2024-10-11 13:33:31,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 13:33:31,768 INFO L349 Elim1Store]: treesize reduction 76, result has 44.9 percent of original size [2024-10-11 13:33:31,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 57 treesize of output 101