./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-85.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-85.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5e929c4003dd56b80bb766773f31b5c9376f023636b5de2c888cd8fd3433b56e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 09:41:21,849 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 09:41:21,904 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 09:41:21,911 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 09:41:21,912 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 09:41:21,942 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 09:41:21,942 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 09:41:21,943 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 09:41:21,943 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 09:41:21,944 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 09:41:21,945 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 09:41:21,945 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 09:41:21,946 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 09:41:21,946 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 09:41:21,948 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 09:41:21,948 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 09:41:21,948 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 09:41:21,949 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 09:41:21,949 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 09:41:21,949 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 09:41:21,949 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 09:41:21,950 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 09:41:21,953 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 09:41:21,954 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 09:41:21,954 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 09:41:21,954 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 09:41:21,954 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 09:41:21,954 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 09:41:21,955 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 09:41:21,955 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 09:41:21,955 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 09:41:21,955 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 09:41:21,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 09:41:21,956 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 09:41:21,956 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 09:41:21,956 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 09:41:21,956 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 09:41:21,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 09:41:21,956 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 09:41:21,957 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 09:41:21,957 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 09:41:21,957 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 09:41:21,957 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e929c4003dd56b80bb766773f31b5c9376f023636b5de2c888cd8fd3433b56e [2024-11-10 09:41:22,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 09:41:22,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 09:41:22,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 09:41:22,261 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 09:41:22,261 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 09:41:22,263 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-85.i [2024-11-10 09:41:23,535 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 09:41:23,750 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 09:41:23,752 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-85.i [2024-11-10 09:41:23,765 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/331d88a00/906bdc73c21443b0952c338644559b02/FLAGb72a84108 [2024-11-10 09:41:23,779 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/331d88a00/906bdc73c21443b0952c338644559b02 [2024-11-10 09:41:23,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 09:41:23,785 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 09:41:23,787 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 09:41:23,788 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 09:41:23,792 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 09:41:23,793 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:41:23" (1/1) ... [2024-11-10 09:41:23,794 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1485f97d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:41:23, skipping insertion in model container [2024-11-10 09:41:23,794 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:41:23" (1/1) ... [2024-11-10 09:41:23,821 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 09:41:23,973 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-85.i[916,929] [2024-11-10 09:41:24,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 09:41:24,057 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 09:41:24,070 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-85.i[916,929] [2024-11-10 09:41:24,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 09:41:24,183 INFO L204 MainTranslator]: Completed translation [2024-11-10 09:41:24,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:41:24 WrapperNode [2024-11-10 09:41:24,188 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 09:41:24,189 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 09:41:24,189 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 09:41:24,189 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 09:41:24,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:41:24" (1/1) ... [2024-11-10 09:41:24,205 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:41:24" (1/1) ... [2024-11-10 09:41:24,237 INFO L138 Inliner]: procedures = 26, calls = 190, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 560 [2024-11-10 09:41:24,237 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 09:41:24,238 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 09:41:24,238 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 09:41:24,238 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 09:41:24,251 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:41:24" (1/1) ... [2024-11-10 09:41:24,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:41:24" (1/1) ... [2024-11-10 09:41:24,256 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:41:24" (1/1) ... [2024-11-10 09:41:24,274 INFO L175 MemorySlicer]: Split 139 memory accesses to 18 slices as follows [2, 7, 15, 14, 5, 8, 10, 6, 8, 5, 6, 6, 6, 9, 10, 6, 9, 7]. 11 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 22 writes are split as follows [0, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 3, 1]. [2024-11-10 09:41:24,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:41:24" (1/1) ... [2024-11-10 09:41:24,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:41:24" (1/1) ... [2024-11-10 09:41:24,285 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:41:24" (1/1) ... [2024-11-10 09:41:24,287 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:41:24" (1/1) ... [2024-11-10 09:41:24,289 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:41:24" (1/1) ... [2024-11-10 09:41:24,292 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:41:24" (1/1) ... [2024-11-10 09:41:24,296 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 09:41:24,297 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 09:41:24,297 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 09:41:24,297 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 09:41:24,298 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:41:24" (1/1) ... [2024-11-10 09:41:24,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 09:41:24,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 09:41:24,345 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 09:41:24,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 09:41:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 09:41:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 09:41:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 09:41:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 09:41:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 09:41:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 09:41:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 09:41:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-10 09:41:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-10 09:41:24,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-10 09:41:24,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-10 09:41:24,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-10 09:41:24,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-10 09:41:24,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-10 09:41:24,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-10 09:41:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-10 09:41:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-10 09:41:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-10 09:41:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-10 09:41:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 09:41:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 09:41:24,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 09:41:24,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 09:41:24,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 09:41:24,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 09:41:24,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-10 09:41:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-10 09:41:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-10 09:41:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-10 09:41:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-10 09:41:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-10 09:41:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-10 09:41:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-10 09:41:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-10 09:41:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-10 09:41:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-10 09:41:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-10 09:41:24,406 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 09:41:24,406 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 09:41:24,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 09:41:24,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 09:41:24,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 09:41:24,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 09:41:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 09:41:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 09:41:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-10 09:41:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-10 09:41:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-10 09:41:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-10 09:41:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-10 09:41:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-10 09:41:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-10 09:41:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-10 09:41:24,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-10 09:41:24,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-10 09:41:24,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-10 09:41:24,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-10 09:41:24,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 09:41:24,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 09:41:24,592 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 09:41:24,593 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 09:41:24,968 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L126: havoc property_#t~mem80#1;havoc property_#t~ite93#1;havoc property_#t~mem86#1;havoc property_#t~mem81#1;havoc property_#t~mem82#1;havoc property_#t~ite85#1;havoc property_#t~mem83#1;havoc property_#t~mem84#1;havoc property_#t~mem87#1;havoc property_#t~ite92#1;havoc property_#t~mem89#1;havoc property_#t~mem88#1;havoc property_#t~mem91#1;havoc property_#t~mem90#1;havoc property_#t~mem101#1;havoc property_#t~mem94#1;havoc property_#t~ite96#1;havoc property_#t~mem95#1;havoc property_#t~ite100#1;havoc property_#t~mem97#1;havoc property_#t~ite99#1;havoc property_#t~mem98#1;havoc property_#t~short102#1;havoc property_#t~mem110#1;havoc property_#t~mem106#1;havoc property_#t~mem103#1;havoc property_#t~mem104#1;havoc property_#t~short105#1;havoc property_#t~short107#1;havoc property_#t~mem108#1;havoc property_#t~short109#1;havoc property_#t~short111#1;havoc property_#t~mem117#1;havoc property_#t~mem112#1;havoc property_#t~mem113#1;havoc property_#t~short114#1;havoc property_#t~mem115#1;havoc property_#t~short116#1;havoc property_#t~short118#1;havoc property_#t~mem119#1;havoc property_#t~ite127#1;havoc property_#t~mem123#1;havoc property_#t~mem120#1;havoc property_#t~ite122#1;havoc property_#t~mem121#1;havoc property_#t~mem126#1;havoc property_#t~mem124#1;havoc property_#t~mem125#1;havoc property_#t~short128#1;havoc property_#t~mem131#1;havoc property_#t~mem129#1;havoc property_#t~mem130#1;havoc property_#t~mem132#1;havoc property_#t~ite141#1;havoc property_#t~mem133#1;havoc property_#t~ite138#1;havoc property_#t~mem135#1;havoc property_#t~mem134#1;havoc property_#t~mem137#1;havoc property_#t~mem136#1;havoc property_#t~mem140#1;havoc property_#t~mem139#1;havoc property_#t~short142#1; [2024-11-10 09:41:25,017 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-11-10 09:41:25,017 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 09:41:25,035 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 09:41:25,035 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 09:41:25,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:41:25 BoogieIcfgContainer [2024-11-10 09:41:25,036 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 09:41:25,037 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 09:41:25,038 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 09:41:25,041 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 09:41:25,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 09:41:23" (1/3) ... [2024-11-10 09:41:25,042 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@760d6744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:41:25, skipping insertion in model container [2024-11-10 09:41:25,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:41:24" (2/3) ... [2024-11-10 09:41:25,042 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@760d6744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:41:25, skipping insertion in model container [2024-11-10 09:41:25,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:41:25" (3/3) ... [2024-11-10 09:41:25,044 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-85.i [2024-11-10 09:41:25,058 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 09:41:25,059 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 09:41:25,127 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 09:41:25,134 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;@25f2addc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 09:41:25,134 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 09:41:25,139 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 108 states have (on average 1.3703703703703705) internal successors, (148), 109 states have internal predecessors, (148), 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) [2024-11-10 09:41:25,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-10 09:41:25,158 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:25,159 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] [2024-11-10 09:41:25,160 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:25,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:25,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1167718494, now seen corresponding path program 1 times [2024-11-10 09:41:25,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:25,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456187761] [2024-11-10 09:41:25,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:25,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:25,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:25,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:25,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:25,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:25,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:25,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:25,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:25,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:25,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:25,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:25,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:25,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:25,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:25,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:25,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:25,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:25,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:25,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:25,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:25,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:25,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:25,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:25,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:25,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:25,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:25,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:25,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:25,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:25,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:25,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:25,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:25,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:25,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:25,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:25,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:25,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:25,774 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:25,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:25,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456187761] [2024-11-10 09:41:25,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456187761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:25,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:25,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 09:41:25,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766534863] [2024-11-10 09:41:25,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:25,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 09:41:25,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:25,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 09:41:25,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 09:41:25,812 INFO L87 Difference]: Start difference. First operand has 134 states, 108 states have (on average 1.3703703703703705) internal successors, (148), 109 states have internal predecessors, (148), 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 34.5) internal successors, (69), 2 states have internal predecessors, (69), 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) [2024-11-10 09:41:25,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:25,849 INFO L93 Difference]: Finished difference Result 260 states and 404 transitions. [2024-11-10 09:41:25,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 09:41:25,851 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 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 181 [2024-11-10 09:41:25,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:25,860 INFO L225 Difference]: With dead ends: 260 [2024-11-10 09:41:25,861 INFO L226 Difference]: Without dead ends: 129 [2024-11-10 09:41:25,866 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 [2024-11-10 09:41:25,871 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:25,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:41:25,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-10 09:41:25,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2024-11-10 09:41:25,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 104 states have (on average 1.3461538461538463) internal successors, (140), 104 states have internal predecessors, (140), 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) [2024-11-10 09:41:25,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 186 transitions. [2024-11-10 09:41:25,923 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 186 transitions. Word has length 181 [2024-11-10 09:41:25,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:25,923 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 186 transitions. [2024-11-10 09:41:25,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 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) [2024-11-10 09:41:25,925 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 186 transitions. [2024-11-10 09:41:25,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-10 09:41:25,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:25,932 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] [2024-11-10 09:41:25,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 09:41:25,932 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:25,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:25,933 INFO L85 PathProgramCache]: Analyzing trace with hash -964865099, now seen corresponding path program 1 times [2024-11-10 09:41:25,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:25,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457104838] [2024-11-10 09:41:25,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:25,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:26,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:26,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:26,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:26,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:26,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:26,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:26,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:26,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:26,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:26,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:26,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:26,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:26,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457104838] [2024-11-10 09:41:26,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457104838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:26,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:26,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 09:41:26,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051111363] [2024-11-10 09:41:26,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:26,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 09:41:26,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:26,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 09:41:26,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 09:41:26,332 INFO L87 Difference]: Start difference. First operand 129 states and 186 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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) [2024-11-10 09:41:26,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:26,380 INFO L93 Difference]: Finished difference Result 258 states and 373 transitions. [2024-11-10 09:41:26,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 09:41:26,385 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 181 [2024-11-10 09:41:26,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:26,387 INFO L225 Difference]: With dead ends: 258 [2024-11-10 09:41:26,387 INFO L226 Difference]: Without dead ends: 132 [2024-11-10 09:41:26,387 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 [2024-11-10 09:41:26,388 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 1 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:26,389 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 540 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:41:26,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-10 09:41:26,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 131. [2024-11-10 09:41:26,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 106 states have (on average 1.3396226415094339) internal successors, (142), 106 states have internal predecessors, (142), 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) [2024-11-10 09:41:26,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 188 transitions. [2024-11-10 09:41:26,409 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 188 transitions. Word has length 181 [2024-11-10 09:41:26,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:26,411 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 188 transitions. [2024-11-10 09:41:26,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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) [2024-11-10 09:41:26,411 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 188 transitions. [2024-11-10 09:41:26,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-10 09:41:26,414 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:26,415 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] [2024-11-10 09:41:26,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 09:41:26,415 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:26,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:26,415 INFO L85 PathProgramCache]: Analyzing trace with hash -614065162, now seen corresponding path program 1 times [2024-11-10 09:41:26,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:26,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660433582] [2024-11-10 09:41:26,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:26,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:26,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:26,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:26,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:26,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:26,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:26,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:26,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:26,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:26,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:26,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:26,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:26,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660433582] [2024-11-10 09:41:26,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660433582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:26,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:26,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:41:26,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283678968] [2024-11-10 09:41:26,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:26,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:41:26,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:26,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:41:26,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:41:26,932 INFO L87 Difference]: Start difference. First operand 131 states and 188 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 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) [2024-11-10 09:41:27,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:27,114 INFO L93 Difference]: Finished difference Result 380 states and 547 transitions. [2024-11-10 09:41:27,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:41:27,115 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 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 181 [2024-11-10 09:41:27,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:27,119 INFO L225 Difference]: With dead ends: 380 [2024-11-10 09:41:27,119 INFO L226 Difference]: Without dead ends: 252 [2024-11-10 09:41:27,120 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 [2024-11-10 09:41:27,121 INFO L432 NwaCegarLoop]: 285 mSDtfsCounter, 169 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:27,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 972 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:41:27,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-10 09:41:27,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 133. [2024-11-10 09:41:27,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 108 states have (on average 1.3333333333333333) internal successors, (144), 108 states have internal predecessors, (144), 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) [2024-11-10 09:41:27,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 190 transitions. [2024-11-10 09:41:27,134 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 190 transitions. Word has length 181 [2024-11-10 09:41:27,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:27,134 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 190 transitions. [2024-11-10 09:41:27,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 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) [2024-11-10 09:41:27,135 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 190 transitions. [2024-11-10 09:41:27,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-10 09:41:27,136 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:27,137 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] [2024-11-10 09:41:27,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 09:41:27,137 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:27,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:27,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1231252494, now seen corresponding path program 1 times [2024-11-10 09:41:27,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:27,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204426588] [2024-11-10 09:41:27,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:27,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:27,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:27,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:27,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:27,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:27,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:27,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:27,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:27,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:27,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:27,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:27,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:27,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:27,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:27,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:27,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:27,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:27,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:27,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:27,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:27,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:27,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:27,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:27,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:27,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:27,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:27,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:27,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:27,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:27,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:27,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:27,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:27,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:27,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:27,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204426588] [2024-11-10 09:41:27,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204426588] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:27,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:27,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 09:41:27,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368891390] [2024-11-10 09:41:27,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:27,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 09:41:27,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:27,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 09:41:27,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-10 09:41:27,942 INFO L87 Difference]: Start difference. First operand 133 states and 190 transitions. Second operand has 9 states, 8 states have (on average 8.625) internal successors, (69), 9 states have internal predecessors, (69), 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) [2024-11-10 09:41:28,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:28,433 INFO L93 Difference]: Finished difference Result 487 states and 694 transitions. [2024-11-10 09:41:28,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 09:41:28,433 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.625) internal successors, (69), 9 states have internal predecessors, (69), 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 181 [2024-11-10 09:41:28,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:28,439 INFO L225 Difference]: With dead ends: 487 [2024-11-10 09:41:28,439 INFO L226 Difference]: Without dead ends: 357 [2024-11-10 09:41:28,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2024-11-10 09:41:28,444 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 1043 mSDsluCounter, 734 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1043 SdHoareTripleChecker+Valid, 986 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:28,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1043 Valid, 986 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 09:41:28,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-11-10 09:41:28,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 206. [2024-11-10 09:41:28,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 178 states have (on average 1.3707865168539326) internal successors, (244), 179 states have internal predecessors, (244), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:41:28,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 294 transitions. [2024-11-10 09:41:28,470 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 294 transitions. Word has length 181 [2024-11-10 09:41:28,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:28,471 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 294 transitions. [2024-11-10 09:41:28,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.625) internal successors, (69), 9 states have internal predecessors, (69), 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) [2024-11-10 09:41:28,471 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 294 transitions. [2024-11-10 09:41:28,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-10 09:41:28,473 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:28,473 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] [2024-11-10 09:41:28,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 09:41:28,473 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:28,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:28,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1564005547, now seen corresponding path program 1 times [2024-11-10 09:41:28,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:28,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050226514] [2024-11-10 09:41:28,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:28,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:28,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:28,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:28,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:28,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:28,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:28,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:28,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:28,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:28,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:28,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:28,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:28,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:28,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:28,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:28,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:28,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:28,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:28,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:28,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:28,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:28,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:28,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:28,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:28,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:28,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:28,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:28,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:28,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:28,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:28,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050226514] [2024-11-10 09:41:28,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050226514] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:28,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:28,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:41:28,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173649035] [2024-11-10 09:41:28,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:28,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:41:28,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:28,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:41:28,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:41:28,986 INFO L87 Difference]: Start difference. First operand 206 states and 294 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 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) [2024-11-10 09:41:29,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:29,068 INFO L93 Difference]: Finished difference Result 569 states and 810 transitions. [2024-11-10 09:41:29,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 09:41:29,068 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 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 [2024-11-10 09:41:29,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:29,071 INFO L225 Difference]: With dead ends: 569 [2024-11-10 09:41:29,071 INFO L226 Difference]: Without dead ends: 366 [2024-11-10 09:41:29,082 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-10 09:41:29,082 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 146 mSDsluCounter, 948 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 1211 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:29,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 1211 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:41:29,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-11-10 09:41:29,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 218. [2024-11-10 09:41:29,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 190 states have (on average 1.3578947368421053) internal successors, (258), 191 states have internal predecessors, (258), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:41:29,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 308 transitions. [2024-11-10 09:41:29,117 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 308 transitions. Word has length 182 [2024-11-10 09:41:29,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:29,118 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 308 transitions. [2024-11-10 09:41:29,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 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) [2024-11-10 09:41:29,119 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 308 transitions. [2024-11-10 09:41:29,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-10 09:41:29,122 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:29,122 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] [2024-11-10 09:41:29,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 09:41:29,122 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:29,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:29,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1377652052, now seen corresponding path program 1 times [2024-11-10 09:41:29,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:29,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715110852] [2024-11-10 09:41:29,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:29,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:29,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:29,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:29,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:29,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:29,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:29,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:29,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:29,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:29,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:29,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:29,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:29,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:29,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:29,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:29,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:29,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:29,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:29,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:29,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:29,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:29,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:29,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:29,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:29,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:29,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:29,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:29,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:29,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:29,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:29,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:29,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:29,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:29,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:29,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715110852] [2024-11-10 09:41:29,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715110852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:29,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:29,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:41:29,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825600424] [2024-11-10 09:41:29,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:29,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:41:29,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:29,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:41:29,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:41:29,556 INFO L87 Difference]: Start difference. First operand 218 states and 308 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 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) [2024-11-10 09:41:29,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:29,703 INFO L93 Difference]: Finished difference Result 568 states and 806 transitions. [2024-11-10 09:41:29,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 09:41:29,703 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 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 [2024-11-10 09:41:29,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:29,705 INFO L225 Difference]: With dead ends: 568 [2024-11-10 09:41:29,706 INFO L226 Difference]: Without dead ends: 353 [2024-11-10 09:41:29,707 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-10 09:41:29,708 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 168 mSDsluCounter, 933 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 1205 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:29,710 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 1205 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:41:29,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2024-11-10 09:41:29,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 238. [2024-11-10 09:41:29,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 210 states have (on average 1.3523809523809525) internal successors, (284), 211 states have internal predecessors, (284), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:41:29,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 334 transitions. [2024-11-10 09:41:29,735 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 334 transitions. Word has length 182 [2024-11-10 09:41:29,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:29,735 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 334 transitions. [2024-11-10 09:41:29,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 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) [2024-11-10 09:41:29,735 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 334 transitions. [2024-11-10 09:41:29,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-10 09:41:29,737 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:29,737 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] [2024-11-10 09:41:29,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 09:41:29,737 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:29,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:29,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1221605457, now seen corresponding path program 1 times [2024-11-10 09:41:29,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:29,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537691272] [2024-11-10 09:41:29,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:29,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:29,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:30,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:30,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:30,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:30,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:30,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:30,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:30,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:30,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:30,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:30,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:30,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:30,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:30,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:30,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:30,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537691272] [2024-11-10 09:41:30,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537691272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:30,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:30,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 09:41:30,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486571771] [2024-11-10 09:41:30,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:30,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 09:41:30,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:30,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 09:41:30,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-10 09:41:30,124 INFO L87 Difference]: Start difference. First operand 238 states and 334 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 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) [2024-11-10 09:41:30,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:30,513 INFO L93 Difference]: Finished difference Result 906 states and 1276 transitions. [2024-11-10 09:41:30,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 09:41:30,513 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 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 [2024-11-10 09:41:30,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:30,516 INFO L225 Difference]: With dead ends: 906 [2024-11-10 09:41:30,518 INFO L226 Difference]: Without dead ends: 671 [2024-11-10 09:41:30,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-10 09:41:30,519 INFO L432 NwaCegarLoop]: 283 mSDtfsCounter, 419 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 1143 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:30,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 1143 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 09:41:30,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2024-11-10 09:41:30,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 301. [2024-11-10 09:41:30,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 273 states have (on average 1.380952380952381) internal successors, (377), 274 states have internal predecessors, (377), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:41:30,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 427 transitions. [2024-11-10 09:41:30,550 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 427 transitions. Word has length 182 [2024-11-10 09:41:30,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:30,550 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 427 transitions. [2024-11-10 09:41:30,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 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) [2024-11-10 09:41:30,550 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 427 transitions. [2024-11-10 09:41:30,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-10 09:41:30,552 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:30,552 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] [2024-11-10 09:41:30,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 09:41:30,552 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:30,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:30,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1720052142, now seen corresponding path program 1 times [2024-11-10 09:41:30,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:30,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730966531] [2024-11-10 09:41:30,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:30,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:30,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:30,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:30,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:30,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:30,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:30,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:30,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:30,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:30,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:30,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:30,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:30,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730966531] [2024-11-10 09:41:30,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730966531] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:30,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:30,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 09:41:30,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628259223] [2024-11-10 09:41:30,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:30,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 09:41:30,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:30,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 09:41:30,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-10 09:41:30,944 INFO L87 Difference]: Start difference. First operand 301 states and 427 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 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) [2024-11-10 09:41:31,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:31,098 INFO L93 Difference]: Finished difference Result 884 states and 1260 transitions. [2024-11-10 09:41:31,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 09:41:31,099 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 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 [2024-11-10 09:41:31,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:31,101 INFO L225 Difference]: With dead ends: 884 [2024-11-10 09:41:31,104 INFO L226 Difference]: Without dead ends: 586 [2024-11-10 09:41:31,104 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 [2024-11-10 09:41:31,105 INFO L432 NwaCegarLoop]: 309 mSDtfsCounter, 184 mSDsluCounter, 1687 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 1996 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:31,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 1996 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:41:31,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2024-11-10 09:41:31,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 314. [2024-11-10 09:41:31,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 286 states have (on average 1.381118881118881) internal successors, (395), 287 states have internal predecessors, (395), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:41:31,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 445 transitions. [2024-11-10 09:41:31,129 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 445 transitions. Word has length 182 [2024-11-10 09:41:31,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:31,129 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 445 transitions. [2024-11-10 09:41:31,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 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) [2024-11-10 09:41:31,130 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 445 transitions. [2024-11-10 09:41:31,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-10 09:41:31,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:31,131 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] [2024-11-10 09:41:31,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 09:41:31,132 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:31,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:31,132 INFO L85 PathProgramCache]: Analyzing trace with hash 604418125, now seen corresponding path program 1 times [2024-11-10 09:41:31,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:31,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967616968] [2024-11-10 09:41:31,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:31,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:31,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:31,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:31,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:31,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:31,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:31,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:31,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:31,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:31,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:31,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:31,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:31,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:31,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:31,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:31,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:31,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:31,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:31,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:31,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:31,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:31,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:31,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:31,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:31,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:31,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:31,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:31,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:31,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:31,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:31,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:31,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:31,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:31,368 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:31,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:31,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967616968] [2024-11-10 09:41:31,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967616968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:31,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:31,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:41:31,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46296775] [2024-11-10 09:41:31,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:31,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:41:31,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:31,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:41:31,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:41:31,370 INFO L87 Difference]: Start difference. First operand 314 states and 445 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 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) [2024-11-10 09:41:31,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:31,673 INFO L93 Difference]: Finished difference Result 851 states and 1215 transitions. [2024-11-10 09:41:31,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:41:31,674 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 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 [2024-11-10 09:41:31,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:31,676 INFO L225 Difference]: With dead ends: 851 [2024-11-10 09:41:31,676 INFO L226 Difference]: Without dead ends: 540 [2024-11-10 09:41:31,677 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 [2024-11-10 09:41:31,679 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 171 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:31,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 673 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 09:41:31,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2024-11-10 09:41:31,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 300. [2024-11-10 09:41:31,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 272 states have (on average 1.3602941176470589) internal successors, (370), 273 states have internal predecessors, (370), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:41:31,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 420 transitions. [2024-11-10 09:41:31,709 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 420 transitions. Word has length 182 [2024-11-10 09:41:31,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:31,709 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 420 transitions. [2024-11-10 09:41:31,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 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) [2024-11-10 09:41:31,710 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 420 transitions. [2024-11-10 09:41:31,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-10 09:41:31,712 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:31,713 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] [2024-11-10 09:41:31,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 09:41:31,713 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:31,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:31,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1010254544, now seen corresponding path program 1 times [2024-11-10 09:41:31,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:31,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142630387] [2024-11-10 09:41:31,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:31,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:32,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:32,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:32,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:32,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:32,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:32,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:32,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:32,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:32,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:32,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:32,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:32,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:32,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:32,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:32,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:32,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:32,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:32,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:32,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:32,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:32,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:32,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:32,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:32,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:32,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:32,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:32,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:32,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:32,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:32,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:32,522 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-10 09:41:32,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:32,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142630387] [2024-11-10 09:41:32,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142630387] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 09:41:32,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919644807] [2024-11-10 09:41:32,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:32,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 09:41:32,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 09:41:32,525 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 09:41:32,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 09:41:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:32,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 683 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-10 09:41:32,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 09:41:32,834 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 [2024-11-10 09:41:32,890 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 [2024-11-10 09:41:32,921 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 [2024-11-10 09:41:32,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-10 09:41:32,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:32,996 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 09:41:32,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [919644807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:32,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 09:41:32,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2024-11-10 09:41:32,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737150367] [2024-11-10 09:41:32,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:32,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 09:41:32,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:32,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 09:41:32,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2024-11-10 09:41:32,998 INFO L87 Difference]: Start difference. First operand 300 states and 420 transitions. Second operand has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 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) [2024-11-10 09:41:33,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:33,474 INFO L93 Difference]: Finished difference Result 960 states and 1343 transitions. [2024-11-10 09:41:33,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 09:41:33,475 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 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 [2024-11-10 09:41:33,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:33,477 INFO L225 Difference]: With dead ends: 960 [2024-11-10 09:41:33,478 INFO L226 Difference]: Without dead ends: 663 [2024-11-10 09:41:33,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2024-11-10 09:41:33,479 INFO L432 NwaCegarLoop]: 283 mSDtfsCounter, 418 mSDsluCounter, 1850 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 2133 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:33,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 2133 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 09:41:33,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2024-11-10 09:41:33,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 308. [2024-11-10 09:41:33,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 280 states have (on average 1.3571428571428572) internal successors, (380), 281 states have internal predecessors, (380), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:41:33,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 430 transitions. [2024-11-10 09:41:33,501 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 430 transitions. Word has length 182 [2024-11-10 09:41:33,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:33,501 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 430 transitions. [2024-11-10 09:41:33,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 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) [2024-11-10 09:41:33,501 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 430 transitions. [2024-11-10 09:41:33,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-10 09:41:33,503 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:33,503 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:41:33,519 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 09:41:33,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-10 09:41:33,705 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:33,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:33,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1931403055, now seen corresponding path program 1 times [2024-11-10 09:41:33,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:33,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340038199] [2024-11-10 09:41:33,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:33,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:33,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:33,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:33,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:33,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:33,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:33,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:33,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:33,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:33,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:33,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:33,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:33,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:33,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:33,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:33,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:33,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:33,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:33,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:34,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:34,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:34,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:34,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:34,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:34,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:34,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:34,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:34,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:34,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:34,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:34,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:34,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:34,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:34,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:34,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:34,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:34,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:34,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:34,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:34,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340038199] [2024-11-10 09:41:34,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340038199] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:34,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:34,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 09:41:34,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823714335] [2024-11-10 09:41:34,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:34,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 09:41:34,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:34,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 09:41:34,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-10 09:41:34,020 INFO L87 Difference]: Start difference. First operand 308 states and 430 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 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) [2024-11-10 09:41:34,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:34,348 INFO L93 Difference]: Finished difference Result 962 states and 1343 transitions. [2024-11-10 09:41:34,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 09:41:34,348 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 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 [2024-11-10 09:41:34,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:34,351 INFO L225 Difference]: With dead ends: 962 [2024-11-10 09:41:34,351 INFO L226 Difference]: Without dead ends: 657 [2024-11-10 09:41:34,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-10 09:41:34,352 INFO L432 NwaCegarLoop]: 412 mSDtfsCounter, 328 mSDsluCounter, 1407 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 1819 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:34,352 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 1819 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 09:41:34,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2024-11-10 09:41:34,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 308. [2024-11-10 09:41:34,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 280 states have (on average 1.35) internal successors, (378), 281 states have internal predecessors, (378), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:41:34,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 428 transitions. [2024-11-10 09:41:34,373 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 428 transitions. Word has length 182 [2024-11-10 09:41:34,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:34,374 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 428 transitions. [2024-11-10 09:41:34,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 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) [2024-11-10 09:41:34,374 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 428 transitions. [2024-11-10 09:41:34,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-10 09:41:34,376 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:34,377 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] [2024-11-10 09:41:34,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 09:41:34,377 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:34,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:34,377 INFO L85 PathProgramCache]: Analyzing trace with hash -146706992, now seen corresponding path program 1 times [2024-11-10 09:41:34,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:34,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907393170] [2024-11-10 09:41:34,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:34,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:34,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:34,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:34,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:34,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:34,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:34,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:34,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:34,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:34,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:34,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:34,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:34,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:34,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:34,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:34,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:34,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:34,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:34,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:34,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:34,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:34,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:34,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:34,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:34,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:34,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:34,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:34,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:34,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:34,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:34,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:34,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:34,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:34,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:34,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:34,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:34,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:34,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:34,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907393170] [2024-11-10 09:41:34,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907393170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:34,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:34,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:41:34,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289530721] [2024-11-10 09:41:34,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:34,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:41:34,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:34,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:41:34,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:41:34,739 INFO L87 Difference]: Start difference. First operand 308 states and 428 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 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) [2024-11-10 09:41:34,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:34,990 INFO L93 Difference]: Finished difference Result 780 states and 1085 transitions. [2024-11-10 09:41:34,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 09:41:34,991 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 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 [2024-11-10 09:41:34,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:34,993 INFO L225 Difference]: With dead ends: 780 [2024-11-10 09:41:34,993 INFO L226 Difference]: Without dead ends: 475 [2024-11-10 09:41:34,994 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-10 09:41:34,994 INFO L432 NwaCegarLoop]: 316 mSDtfsCounter, 339 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 979 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:34,994 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 979 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 09:41:34,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2024-11-10 09:41:35,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 305. [2024-11-10 09:41:35,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 277 states have (on average 1.3501805054151625) internal successors, (374), 278 states have internal predecessors, (374), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:41:35,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 424 transitions. [2024-11-10 09:41:35,017 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 424 transitions. Word has length 183 [2024-11-10 09:41:35,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:35,017 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 424 transitions. [2024-11-10 09:41:35,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 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) [2024-11-10 09:41:35,017 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 424 transitions. [2024-11-10 09:41:35,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-10 09:41:35,019 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:35,019 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] [2024-11-10 09:41:35,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 09:41:35,019 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:35,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:35,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1908840914, now seen corresponding path program 1 times [2024-11-10 09:41:35,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:35,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798032559] [2024-11-10 09:41:35,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:35,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:35,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:35,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:35,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:35,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:35,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:35,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:35,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:35,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:35,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:35,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:35,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:35,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:35,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:35,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:35,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:35,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:35,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:35,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:35,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:35,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:35,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:35,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:35,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:35,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:35,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:35,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:35,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:35,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:35,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:35,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:35,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:35,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:35,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:35,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:35,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:35,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:35,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:35,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798032559] [2024-11-10 09:41:35,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798032559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:35,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:35,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:41:35,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865039303] [2024-11-10 09:41:35,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:35,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:41:35,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:35,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:41:35,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:41:35,392 INFO L87 Difference]: Start difference. First operand 305 states and 424 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 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) [2024-11-10 09:41:35,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:35,623 INFO L93 Difference]: Finished difference Result 727 states and 1013 transitions. [2024-11-10 09:41:35,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 09:41:35,623 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 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 [2024-11-10 09:41:35,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:35,625 INFO L225 Difference]: With dead ends: 727 [2024-11-10 09:41:35,625 INFO L226 Difference]: Without dead ends: 425 [2024-11-10 09:41:35,626 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-10 09:41:35,627 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 422 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:35,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [422 Valid, 648 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 09:41:35,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-11-10 09:41:35,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 305. [2024-11-10 09:41:35,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 277 states have (on average 1.3465703971119134) internal successors, (373), 278 states have internal predecessors, (373), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:41:35,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 423 transitions. [2024-11-10 09:41:35,646 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 423 transitions. Word has length 183 [2024-11-10 09:41:35,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:35,647 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 423 transitions. [2024-11-10 09:41:35,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 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) [2024-11-10 09:41:35,647 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 423 transitions. [2024-11-10 09:41:35,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-10 09:41:35,648 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:35,648 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] [2024-11-10 09:41:35,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 09:41:35,649 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:35,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:35,649 INFO L85 PathProgramCache]: Analyzing trace with hash -555531217, now seen corresponding path program 1 times [2024-11-10 09:41:35,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:35,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266917784] [2024-11-10 09:41:35,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:35,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:36,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:36,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:36,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:36,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:36,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:36,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:36,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:36,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:36,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:36,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:36,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:36,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:36,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:36,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:36,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:36,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:36,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:36,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:36,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:36,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:36,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:36,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:36,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:36,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:36,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:36,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:36,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:36,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:36,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:36,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:36,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:36,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:36,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-10 09:41:36,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:36,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266917784] [2024-11-10 09:41:36,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266917784] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 09:41:36,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651806857] [2024-11-10 09:41:36,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:36,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 09:41:36,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 09:41:36,286 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 09:41:36,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 09:41:36,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:36,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 09:41:36,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 09:41:36,520 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 [2024-11-10 09:41:36,553 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 [2024-11-10 09:41:36,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:36,628 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 09:41:36,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651806857] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:36,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 09:41:36,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2024-11-10 09:41:36,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227177020] [2024-11-10 09:41:36,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:36,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 09:41:36,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:36,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 09:41:36,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2024-11-10 09:41:36,630 INFO L87 Difference]: Start difference. First operand 305 states and 423 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 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) [2024-11-10 09:41:36,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:36,975 INFO L93 Difference]: Finished difference Result 928 states and 1293 transitions. [2024-11-10 09:41:36,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 09:41:36,975 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 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 [2024-11-10 09:41:36,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:36,981 INFO L225 Difference]: With dead ends: 928 [2024-11-10 09:41:36,981 INFO L226 Difference]: Without dead ends: 626 [2024-11-10 09:41:36,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2024-11-10 09:41:36,983 INFO L432 NwaCegarLoop]: 468 mSDtfsCounter, 335 mSDsluCounter, 2253 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 2721 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:36,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 2721 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 09:41:36,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2024-11-10 09:41:37,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 309. [2024-11-10 09:41:37,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 281 states have (on average 1.3451957295373667) internal successors, (378), 282 states have internal predecessors, (378), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:41:37,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 428 transitions. [2024-11-10 09:41:37,008 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 428 transitions. Word has length 183 [2024-11-10 09:41:37,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:37,009 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 428 transitions. [2024-11-10 09:41:37,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 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) [2024-11-10 09:41:37,009 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 428 transitions. [2024-11-10 09:41:37,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-10 09:41:37,011 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:37,011 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] [2024-11-10 09:41:37,025 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 09:41:37,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-10 09:41:37,213 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:37,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:37,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1828603149, now seen corresponding path program 1 times [2024-11-10 09:41:37,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:37,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260896726] [2024-11-10 09:41:37,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:37,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:37,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:37,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:37,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:37,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:37,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260896726] [2024-11-10 09:41:37,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260896726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:37,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:37,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 09:41:37,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748753916] [2024-11-10 09:41:37,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:37,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 09:41:37,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:37,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 09:41:37,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 09:41:37,315 INFO L87 Difference]: Start difference. First operand 309 states and 428 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 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) [2024-11-10 09:41:37,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:37,344 INFO L93 Difference]: Finished difference Result 616 states and 855 transitions. [2024-11-10 09:41:37,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 09:41:37,344 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 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 [2024-11-10 09:41:37,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:37,346 INFO L225 Difference]: With dead ends: 616 [2024-11-10 09:41:37,346 INFO L226 Difference]: Without dead ends: 310 [2024-11-10 09:41:37,348 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 [2024-11-10 09:41:37,348 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 0 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:37,348 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 364 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:41:37,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2024-11-10 09:41:37,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2024-11-10 09:41:37,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 282 states have (on average 1.3439716312056738) internal successors, (379), 283 states have internal predecessors, (379), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:41:37,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 429 transitions. [2024-11-10 09:41:37,368 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 429 transitions. Word has length 184 [2024-11-10 09:41:37,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:37,369 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 429 transitions. [2024-11-10 09:41:37,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 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) [2024-11-10 09:41:37,369 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 429 transitions. [2024-11-10 09:41:37,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-10 09:41:37,370 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:37,370 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] [2024-11-10 09:41:37,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 09:41:37,371 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:37,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:37,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1543680564, now seen corresponding path program 1 times [2024-11-10 09:41:37,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:37,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777294199] [2024-11-10 09:41:37,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:37,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:37,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:37,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:37,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:37,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:37,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:37,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777294199] [2024-11-10 09:41:37,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777294199] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:37,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:37,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:41:37,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154475066] [2024-11-10 09:41:37,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:37,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:41:37,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:37,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:41:37,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:41:37,552 INFO L87 Difference]: Start difference. First operand 310 states and 429 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) [2024-11-10 09:41:37,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:37,654 INFO L93 Difference]: Finished difference Result 783 states and 1081 transitions. [2024-11-10 09:41:37,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:41:37,654 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 [2024-11-10 09:41:37,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:37,656 INFO L225 Difference]: With dead ends: 783 [2024-11-10 09:41:37,656 INFO L226 Difference]: Without dead ends: 476 [2024-11-10 09:41:37,657 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 [2024-11-10 09:41:37,657 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 106 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:37,657 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 844 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:41:37,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2024-11-10 09:41:37,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 310. [2024-11-10 09:41:37,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 282 states have (on average 1.3404255319148937) internal successors, (378), 283 states have internal predecessors, (378), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:41:37,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 428 transitions. [2024-11-10 09:41:37,678 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 428 transitions. Word has length 184 [2024-11-10 09:41:37,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:37,679 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 428 transitions. [2024-11-10 09:41:37,679 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) [2024-11-10 09:41:37,679 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 428 transitions. [2024-11-10 09:41:37,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-10 09:41:37,680 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:37,680 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] [2024-11-10 09:41:37,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 09:41:37,680 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:37,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:37,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1873446325, now seen corresponding path program 1 times [2024-11-10 09:41:37,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:37,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984133853] [2024-11-10 09:41:37,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:37,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:37,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:37,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:37,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:37,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:37,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:37,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:37,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:37,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:37,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:37,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:37,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:37,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:37,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:37,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:37,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984133853] [2024-11-10 09:41:37,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984133853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:37,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:37,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 09:41:37,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828568244] [2024-11-10 09:41:37,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:37,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 09:41:37,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:37,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 09:41:37,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 09:41:37,886 INFO L87 Difference]: Start difference. First operand 310 states and 428 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 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) [2024-11-10 09:41:37,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:37,924 INFO L93 Difference]: Finished difference Result 537 states and 740 transitions. [2024-11-10 09:41:37,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 09:41:37,924 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 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 [2024-11-10 09:41:37,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:37,925 INFO L225 Difference]: With dead ends: 537 [2024-11-10 09:41:37,925 INFO L226 Difference]: Without dead ends: 230 [2024-11-10 09:41:37,926 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 [2024-11-10 09:41:37,926 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 0 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:37,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 519 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:41:37,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-11-10 09:41:37,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 229. [2024-11-10 09:41:37,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 201 states have (on average 1.308457711442786) internal successors, (263), 202 states have internal predecessors, (263), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:41:37,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 313 transitions. [2024-11-10 09:41:37,944 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 313 transitions. Word has length 184 [2024-11-10 09:41:37,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:37,944 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 313 transitions. [2024-11-10 09:41:37,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 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) [2024-11-10 09:41:37,945 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 313 transitions. [2024-11-10 09:41:37,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-10 09:41:37,946 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:37,946 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] [2024-11-10 09:41:37,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 09:41:37,946 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:37,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:37,947 INFO L85 PathProgramCache]: Analyzing trace with hash 575874751, now seen corresponding path program 1 times [2024-11-10 09:41:37,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:37,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256459751] [2024-11-10 09:41:37,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:37,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:38,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:38,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:38,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:38,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:38,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:38,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:38,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:38,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:38,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:38,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:38,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:38,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:38,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:38,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:38,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:38,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:38,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:38,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:38,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256459751] [2024-11-10 09:41:38,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256459751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:38,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:38,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 09:41:38,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614491676] [2024-11-10 09:41:38,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:38,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 09:41:38,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:38,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 09:41:38,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-10 09:41:38,324 INFO L87 Difference]: Start difference. First operand 229 states and 313 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) [2024-11-10 09:41:38,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:38,563 INFO L93 Difference]: Finished difference Result 518 states and 711 transitions. [2024-11-10 09:41:38,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 09:41:38,564 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 [2024-11-10 09:41:38,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:38,565 INFO L225 Difference]: With dead ends: 518 [2024-11-10 09:41:38,566 INFO L226 Difference]: Without dead ends: 292 [2024-11-10 09:41:38,566 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 [2024-11-10 09:41:38,566 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 166 mSDsluCounter, 1276 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 1521 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:38,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 1521 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:41:38,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-10 09:41:38,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 235. [2024-11-10 09:41:38,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 207 states have (on average 1.2995169082125604) internal successors, (269), 208 states have internal predecessors, (269), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:41:38,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 319 transitions. [2024-11-10 09:41:38,584 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 319 transitions. Word has length 185 [2024-11-10 09:41:38,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:38,584 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 319 transitions. [2024-11-10 09:41:38,584 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) [2024-11-10 09:41:38,584 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 319 transitions. [2024-11-10 09:41:38,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-10 09:41:38,585 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:38,585 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] [2024-11-10 09:41:38,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 09:41:38,585 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:38,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:38,586 INFO L85 PathProgramCache]: Analyzing trace with hash -308296579, now seen corresponding path program 1 times [2024-11-10 09:41:38,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:38,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305878985] [2024-11-10 09:41:38,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:38,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:38,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:38,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:38,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:38,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:38,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:38,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:38,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305878985] [2024-11-10 09:41:38,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305878985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:38,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:38,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 09:41:38,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577982993] [2024-11-10 09:41:38,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:38,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 09:41:38,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:38,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 09:41:38,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 09:41:38,692 INFO L87 Difference]: Start difference. First operand 235 states and 319 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:41:38,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:38,712 INFO L93 Difference]: Finished difference Result 469 states and 639 transitions. [2024-11-10 09:41:38,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 09:41:38,713 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 187 [2024-11-10 09:41:38,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:38,715 INFO L225 Difference]: With dead ends: 469 [2024-11-10 09:41:38,715 INFO L226 Difference]: Without dead ends: 237 [2024-11-10 09:41:38,716 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 [2024-11-10 09:41:38,716 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 0 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:38,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 354 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:41:38,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-10 09:41:38,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2024-11-10 09:41:38,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 209 states have (on average 1.2966507177033493) internal successors, (271), 210 states have internal predecessors, (271), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:41:38,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 321 transitions. [2024-11-10 09:41:38,732 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 321 transitions. Word has length 187 [2024-11-10 09:41:38,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:38,732 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 321 transitions. [2024-11-10 09:41:38,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:41:38,732 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 321 transitions. [2024-11-10 09:41:38,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-10 09:41:38,733 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:38,733 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] [2024-11-10 09:41:38,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 09:41:38,734 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:38,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:38,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1305368932, now seen corresponding path program 1 times [2024-11-10 09:41:38,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:38,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605137639] [2024-11-10 09:41:38,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:38,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:38,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:38,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:38,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:38,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:38,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:38,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:38,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:38,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:38,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:38,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:38,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:38,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:38,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:38,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605137639] [2024-11-10 09:41:38,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605137639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:38,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:38,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:41:38,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604638432] [2024-11-10 09:41:38,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:38,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:41:38,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:38,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:41:38,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:41:38,942 INFO L87 Difference]: Start difference. First operand 237 states and 321 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:41:39,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:39,054 INFO L93 Difference]: Finished difference Result 634 states and 856 transitions. [2024-11-10 09:41:39,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:41:39,055 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 187 [2024-11-10 09:41:39,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:39,056 INFO L225 Difference]: With dead ends: 634 [2024-11-10 09:41:39,056 INFO L226 Difference]: Without dead ends: 400 [2024-11-10 09:41:39,057 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 [2024-11-10 09:41:39,058 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 76 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:39,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 776 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:41:39,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2024-11-10 09:41:39,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 327. [2024-11-10 09:41:39,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 299 states have (on average 1.2976588628762542) internal successors, (388), 300 states have internal predecessors, (388), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:41:39,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 438 transitions. [2024-11-10 09:41:39,078 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 438 transitions. Word has length 187 [2024-11-10 09:41:39,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:39,078 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 438 transitions. [2024-11-10 09:41:39,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:41:39,079 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 438 transitions. [2024-11-10 09:41:39,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-10 09:41:39,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:39,080 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:41:39,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-10 09:41:39,080 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:39,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:39,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1181295685, now seen corresponding path program 1 times [2024-11-10 09:41:39,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:39,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524960829] [2024-11-10 09:41:39,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:39,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:39,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:39,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:39,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:39,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:39,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:39,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524960829] [2024-11-10 09:41:39,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524960829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:39,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:39,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:41:39,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670126856] [2024-11-10 09:41:39,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:39,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:41:39,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:39,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:41:39,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:41:39,337 INFO L87 Difference]: Start difference. First operand 327 states and 438 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:41:39,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:39,415 INFO L93 Difference]: Finished difference Result 724 states and 971 transitions. [2024-11-10 09:41:39,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:41:39,416 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 187 [2024-11-10 09:41:39,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:39,418 INFO L225 Difference]: With dead ends: 724 [2024-11-10 09:41:39,418 INFO L226 Difference]: Without dead ends: 400 [2024-11-10 09:41:39,418 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 [2024-11-10 09:41:39,419 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 77 mSDsluCounter, 620 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:39,419 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 854 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:41:39,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2024-11-10 09:41:39,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 327. [2024-11-10 09:41:39,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 299 states have (on average 1.2909698996655519) internal successors, (386), 300 states have internal predecessors, (386), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:41:39,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 436 transitions. [2024-11-10 09:41:39,437 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 436 transitions. Word has length 187 [2024-11-10 09:41:39,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:39,437 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 436 transitions. [2024-11-10 09:41:39,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:41:39,438 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 436 transitions. [2024-11-10 09:41:39,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-10 09:41:39,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:39,440 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] [2024-11-10 09:41:39,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-10 09:41:39,440 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:39,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:39,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1691829862, now seen corresponding path program 1 times [2024-11-10 09:41:39,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:39,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548946492] [2024-11-10 09:41:39,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:39,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:39,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:39,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:39,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:39,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:39,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:39,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:39,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:39,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:39,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:39,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:39,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:39,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:39,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:39,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:39,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:39,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:39,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:39,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548946492] [2024-11-10 09:41:39,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548946492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:39,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:39,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:41:39,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588976575] [2024-11-10 09:41:39,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:39,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:41:39,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:39,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:41:39,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:41:39,695 INFO L87 Difference]: Start difference. First operand 327 states and 436 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:41:39,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:39,755 INFO L93 Difference]: Finished difference Result 714 states and 955 transitions. [2024-11-10 09:41:39,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 09:41:39,757 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 187 [2024-11-10 09:41:39,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:39,758 INFO L225 Difference]: With dead ends: 714 [2024-11-10 09:41:39,758 INFO L226 Difference]: Without dead ends: 390 [2024-11-10 09:41:39,759 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:41:39,759 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 74 mSDsluCounter, 674 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 938 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:39,759 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 938 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:41:39,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-10 09:41:39,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 315. [2024-11-10 09:41:39,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 287 states have (on average 1.289198606271777) internal successors, (370), 288 states have internal predecessors, (370), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:41:39,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 420 transitions. [2024-11-10 09:41:39,778 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 420 transitions. Word has length 187 [2024-11-10 09:41:39,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:39,778 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 420 transitions. [2024-11-10 09:41:39,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:41:39,778 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 420 transitions. [2024-11-10 09:41:39,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-10 09:41:39,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:39,779 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] [2024-11-10 09:41:39,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-10 09:41:39,780 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:39,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:39,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1117682375, now seen corresponding path program 1 times [2024-11-10 09:41:39,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:39,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443326451] [2024-11-10 09:41:39,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:39,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:40,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:40,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:40,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:40,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:40,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:40,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:40,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:40,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:40,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:40,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:40,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:40,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:40,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:40,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:40,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:40,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443326451] [2024-11-10 09:41:40,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443326451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:40,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:40,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 09:41:40,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160419741] [2024-11-10 09:41:40,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:40,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 09:41:40,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:40,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 09:41:40,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-10 09:41:40,278 INFO L87 Difference]: Start difference. First operand 315 states and 420 transitions. Second operand has 10 states, 10 states have (on average 7.7) internal successors, (77), 10 states have internal predecessors, (77), 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) [2024-11-10 09:41:40,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:40,460 INFO L93 Difference]: Finished difference Result 781 states and 1037 transitions. [2024-11-10 09:41:40,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 09:41:40,461 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 10 states have internal predecessors, (77), 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 189 [2024-11-10 09:41:40,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:40,463 INFO L225 Difference]: With dead ends: 781 [2024-11-10 09:41:40,463 INFO L226 Difference]: Without dead ends: 469 [2024-11-10 09:41:40,464 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-10 09:41:40,465 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 159 mSDsluCounter, 1543 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 1799 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:40,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 1799 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:41:40,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-11-10 09:41:40,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 364. [2024-11-10 09:41:40,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 336 states have (on average 1.2648809523809523) internal successors, (425), 337 states have internal predecessors, (425), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:41:40,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 475 transitions. [2024-11-10 09:41:40,484 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 475 transitions. Word has length 189 [2024-11-10 09:41:40,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:40,485 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 475 transitions. [2024-11-10 09:41:40,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 10 states have internal predecessors, (77), 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) [2024-11-10 09:41:40,485 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 475 transitions. [2024-11-10 09:41:40,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-10 09:41:40,486 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:40,486 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] [2024-11-10 09:41:40,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-10 09:41:40,487 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:40,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:40,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1411085382, now seen corresponding path program 1 times [2024-11-10 09:41:40,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:40,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553754131] [2024-11-10 09:41:40,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:40,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:40,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:40,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:40,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:40,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:40,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:40,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:40,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:40,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553754131] [2024-11-10 09:41:40,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553754131] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:40,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:40,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 09:41:40,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309539823] [2024-11-10 09:41:40,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:40,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 09:41:40,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:40,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 09:41:40,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 09:41:40,612 INFO L87 Difference]: Start difference. First operand 364 states and 475 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 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) [2024-11-10 09:41:40,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:40,640 INFO L93 Difference]: Finished difference Result 732 states and 957 transitions. [2024-11-10 09:41:40,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 09:41:40,640 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 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 189 [2024-11-10 09:41:40,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:40,642 INFO L225 Difference]: With dead ends: 732 [2024-11-10 09:41:40,642 INFO L226 Difference]: Without dead ends: 371 [2024-11-10 09:41:40,643 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 [2024-11-10 09:41:40,644 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 1 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:40,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 508 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:41:40,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2024-11-10 09:41:40,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 370. [2024-11-10 09:41:40,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 342 states have (on average 1.260233918128655) internal successors, (431), 343 states have internal predecessors, (431), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 09:41:40,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 481 transitions. [2024-11-10 09:41:40,662 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 481 transitions. Word has length 189 [2024-11-10 09:41:40,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:40,662 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 481 transitions. [2024-11-10 09:41:40,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 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) [2024-11-10 09:41:40,662 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 481 transitions. [2024-11-10 09:41:40,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-10 09:41:40,664 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:40,664 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:41:40,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-10 09:41:40,665 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:40,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:40,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1794223907, now seen corresponding path program 1 times [2024-11-10 09:41:40,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:40,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048483946] [2024-11-10 09:41:40,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:40,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:40,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:40,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:40,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:40,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:40,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:40,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:40,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:40,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:40,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:40,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:40,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:40,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:40,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:40,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:40,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:40,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:40,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:40,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048483946] [2024-11-10 09:41:40,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048483946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:40,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:40,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:41:40,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621261158] [2024-11-10 09:41:40,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:40,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:41:40,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:40,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:41:40,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:41:40,903 INFO L87 Difference]: Start difference. First operand 370 states and 481 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:41:40,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:40,972 INFO L93 Difference]: Finished difference Result 741 states and 961 transitions. [2024-11-10 09:41:40,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:41:40,973 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 190 [2024-11-10 09:41:40,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:40,974 INFO L225 Difference]: With dead ends: 741 [2024-11-10 09:41:40,974 INFO L226 Difference]: Without dead ends: 374 [2024-11-10 09:41:40,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:41:40,975 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 79 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 804 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:40,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 804 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:41:40,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-11-10 09:41:40,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 330. [2024-11-10 09:41:40,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 304 states have (on average 1.2467105263157894) internal successors, (379), 304 states have internal predecessors, (379), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 09:41:40,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 425 transitions. [2024-11-10 09:41:40,993 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 425 transitions. Word has length 190 [2024-11-10 09:41:40,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:40,994 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 425 transitions. [2024-11-10 09:41:40,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:41:40,996 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 425 transitions. [2024-11-10 09:41:40,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-10 09:41:40,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:40,997 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] [2024-11-10 09:41:40,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-10 09:41:40,998 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:40,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:40,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1815431524, now seen corresponding path program 1 times [2024-11-10 09:41:40,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:40,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186027150] [2024-11-10 09:41:40,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:40,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:41,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:41,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:41,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:41,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:41,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:41,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:41,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:41,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:41,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:41,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186027150] [2024-11-10 09:41:41,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186027150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:41,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:41,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:41:41,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927419040] [2024-11-10 09:41:41,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:41,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:41:41,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:41,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:41:41,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:41:41,242 INFO L87 Difference]: Start difference. First operand 330 states and 425 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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) [2024-11-10 09:41:41,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:41,321 INFO L93 Difference]: Finished difference Result 694 states and 893 transitions. [2024-11-10 09:41:41,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:41:41,322 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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 191 [2024-11-10 09:41:41,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:41,324 INFO L225 Difference]: With dead ends: 694 [2024-11-10 09:41:41,324 INFO L226 Difference]: Without dead ends: 367 [2024-11-10 09:41:41,324 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:41:41,325 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 129 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:41,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 564 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:41:41,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-11-10 09:41:41,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 330. [2024-11-10 09:41:41,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 304 states have (on average 1.243421052631579) internal successors, (378), 304 states have internal predecessors, (378), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 09:41:41,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 424 transitions. [2024-11-10 09:41:41,344 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 424 transitions. Word has length 191 [2024-11-10 09:41:41,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:41,344 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 424 transitions. [2024-11-10 09:41:41,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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) [2024-11-10 09:41:41,345 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 424 transitions. [2024-11-10 09:41:41,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-10 09:41:41,345 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:41,346 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:41:41,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-10 09:41:41,346 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:41,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:41,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1156588223, now seen corresponding path program 1 times [2024-11-10 09:41:41,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:41,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844859098] [2024-11-10 09:41:41,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:41,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:41,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:41,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:41,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:41,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:41,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:41,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:41,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:41,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:41,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:41,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:41,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:41,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:41,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:41,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:41,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:41,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:41,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844859098] [2024-11-10 09:41:41,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844859098] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:41,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:41,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 09:41:41,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591037482] [2024-11-10 09:41:41,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:41,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 09:41:41,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:41,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 09:41:41,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-10 09:41:41,707 INFO L87 Difference]: Start difference. First operand 330 states and 424 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 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) [2024-11-10 09:41:41,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:41,829 INFO L93 Difference]: Finished difference Result 709 states and 911 transitions. [2024-11-10 09:41:41,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 09:41:41,830 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 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 192 [2024-11-10 09:41:41,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:41,831 INFO L225 Difference]: With dead ends: 709 [2024-11-10 09:41:41,831 INFO L226 Difference]: Without dead ends: 382 [2024-11-10 09:41:41,832 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-10 09:41:41,832 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 167 mSDsluCounter, 1102 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 1319 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:41,833 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 1319 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:41:41,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-11-10 09:41:41,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 378. [2024-11-10 09:41:41,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 344 states have (on average 1.244186046511628) internal successors, (428), 345 states have internal predecessors, (428), 29 states have call successors, (29), 4 states have call predecessors, (29), 4 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-10 09:41:41,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 486 transitions. [2024-11-10 09:41:41,856 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 486 transitions. Word has length 192 [2024-11-10 09:41:41,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:41,856 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 486 transitions. [2024-11-10 09:41:41,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 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) [2024-11-10 09:41:41,857 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 486 transitions. [2024-11-10 09:41:41,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-10 09:41:41,858 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:41,858 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:41:41,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-10 09:41:41,858 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:41,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:41,858 INFO L85 PathProgramCache]: Analyzing trace with hash -863185216, now seen corresponding path program 1 times [2024-11-10 09:41:41,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:41,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956599962] [2024-11-10 09:41:41,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:41,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:42,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:42,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:42,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:42,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:42,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:42,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:42,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:42,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:42,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:42,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:42,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:42,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:42,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:42,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:42,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:42,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:42,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:42,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:42,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:42,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:42,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:42,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:42,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:42,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:42,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:42,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:42,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:42,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:42,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:42,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:42,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:42,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:42,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:42,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:42,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956599962] [2024-11-10 09:41:42,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956599962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:42,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:42,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 09:41:42,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181594362] [2024-11-10 09:41:42,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:42,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 09:41:42,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:42,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 09:41:42,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-10 09:41:42,692 INFO L87 Difference]: Start difference. First operand 378 states and 486 transitions. Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 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) [2024-11-10 09:41:42,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:42,995 INFO L93 Difference]: Finished difference Result 842 states and 1075 transitions. [2024-11-10 09:41:42,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 09:41:42,996 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 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 192 [2024-11-10 09:41:42,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:42,998 INFO L225 Difference]: With dead ends: 842 [2024-11-10 09:41:42,998 INFO L226 Difference]: Without dead ends: 467 [2024-11-10 09:41:42,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2024-11-10 09:41:42,999 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 242 mSDsluCounter, 1389 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 1656 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:42,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 1656 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 09:41:42,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2024-11-10 09:41:43,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 409. [2024-11-10 09:41:43,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 372 states have (on average 1.2338709677419355) internal successors, (459), 373 states have internal predecessors, (459), 31 states have call successors, (31), 5 states have call predecessors, (31), 5 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-10 09:41:43,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 521 transitions. [2024-11-10 09:41:43,061 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 521 transitions. Word has length 192 [2024-11-10 09:41:43,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:43,061 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 521 transitions. [2024-11-10 09:41:43,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 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) [2024-11-10 09:41:43,061 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 521 transitions. [2024-11-10 09:41:43,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-10 09:41:43,063 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:43,063 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:41:43,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-10 09:41:43,063 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:43,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:43,064 INFO L85 PathProgramCache]: Analyzing trace with hash -139063712, now seen corresponding path program 1 times [2024-11-10 09:41:43,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:43,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48673969] [2024-11-10 09:41:43,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:43,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:44,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:44,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:44,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:44,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:44,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:44,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:44,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:44,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:44,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:44,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:44,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:44,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:44,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:44,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:44,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:44,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:44,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:44,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48673969] [2024-11-10 09:41:44,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48673969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:44,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:44,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 09:41:44,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743488462] [2024-11-10 09:41:44,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:44,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 09:41:44,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:44,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 09:41:44,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-10 09:41:44,109 INFO L87 Difference]: Start difference. First operand 409 states and 521 transitions. Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 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) [2024-11-10 09:41:44,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:44,379 INFO L93 Difference]: Finished difference Result 897 states and 1138 transitions. [2024-11-10 09:41:44,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 09:41:44,380 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 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 192 [2024-11-10 09:41:44,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:44,382 INFO L225 Difference]: With dead ends: 897 [2024-11-10 09:41:44,382 INFO L226 Difference]: Without dead ends: 491 [2024-11-10 09:41:44,382 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-11-10 09:41:44,383 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 279 mSDsluCounter, 1058 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 1245 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:44,383 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 1245 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 09:41:44,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2024-11-10 09:41:44,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 428. [2024-11-10 09:41:44,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 390 states have (on average 1.2307692307692308) internal successors, (480), 391 states have internal predecessors, (480), 31 states have call successors, (31), 6 states have call predecessors, (31), 6 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-10 09:41:44,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 542 transitions. [2024-11-10 09:41:44,409 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 542 transitions. Word has length 192 [2024-11-10 09:41:44,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:44,409 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 542 transitions. [2024-11-10 09:41:44,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 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) [2024-11-10 09:41:44,410 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 542 transitions. [2024-11-10 09:41:44,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-10 09:41:44,411 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:44,411 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:41:44,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-10 09:41:44,411 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:44,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:44,411 INFO L85 PathProgramCache]: Analyzing trace with hash -943000896, now seen corresponding path program 1 times [2024-11-10 09:41:44,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:44,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271375808] [2024-11-10 09:41:44,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:44,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:44,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:44,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:44,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:44,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:44,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:44,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:44,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:44,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:44,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271375808] [2024-11-10 09:41:44,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271375808] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:44,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:44,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:41:44,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896536379] [2024-11-10 09:41:44,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:44,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:41:44,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:44,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:41:44,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:41:44,618 INFO L87 Difference]: Start difference. First operand 428 states and 542 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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) [2024-11-10 09:41:44,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:44,695 INFO L93 Difference]: Finished difference Result 1129 states and 1425 transitions. [2024-11-10 09:41:44,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:41:44,695 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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 192 [2024-11-10 09:41:44,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:44,698 INFO L225 Difference]: With dead ends: 1129 [2024-11-10 09:41:44,698 INFO L226 Difference]: Without dead ends: 704 [2024-11-10 09:41:44,699 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:41:44,699 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 82 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:44,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 755 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:41:44,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2024-11-10 09:41:44,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 685. [2024-11-10 09:41:44,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 685 states, 635 states have (on average 1.236220472440945) internal successors, (785), 638 states have internal predecessors, (785), 39 states have call successors, (39), 10 states have call predecessors, (39), 10 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-10 09:41:44,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 863 transitions. [2024-11-10 09:41:44,737 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 863 transitions. Word has length 192 [2024-11-10 09:41:44,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:44,737 INFO L471 AbstractCegarLoop]: Abstraction has 685 states and 863 transitions. [2024-11-10 09:41:44,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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) [2024-11-10 09:41:44,738 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 863 transitions. [2024-11-10 09:41:44,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-10 09:41:44,739 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:44,739 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:41:44,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-10 09:41:44,739 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:44,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:44,740 INFO L85 PathProgramCache]: Analyzing trace with hash 598394783, now seen corresponding path program 1 times [2024-11-10 09:41:44,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:44,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406631702] [2024-11-10 09:41:44,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:44,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:44,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:45,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:45,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:45,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:45,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:45,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:45,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:45,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:45,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:45,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:45,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:45,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:45,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:45,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:45,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:45,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:45,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406631702] [2024-11-10 09:41:45,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406631702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:45,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:45,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 09:41:45,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440630799] [2024-11-10 09:41:45,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:45,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 09:41:45,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:45,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 09:41:45,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-10 09:41:45,067 INFO L87 Difference]: Start difference. First operand 685 states and 863 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 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) [2024-11-10 09:41:45,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:45,212 INFO L93 Difference]: Finished difference Result 1381 states and 1737 transitions. [2024-11-10 09:41:45,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 09:41:45,213 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 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 192 [2024-11-10 09:41:45,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:45,215 INFO L225 Difference]: With dead ends: 1381 [2024-11-10 09:41:45,215 INFO L226 Difference]: Without dead ends: 699 [2024-11-10 09:41:45,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-10 09:41:45,217 INFO L432 NwaCegarLoop]: 268 mSDtfsCounter, 147 mSDsluCounter, 1255 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 1523 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:45,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 1523 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:41:45,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2024-11-10 09:41:45,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 688. [2024-11-10 09:41:45,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 635 states have (on average 1.2283464566929134) internal successors, (780), 638 states have internal predecessors, (780), 41 states have call successors, (41), 11 states have call predecessors, (41), 11 states have return successors, (41), 38 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-10 09:41:45,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 862 transitions. [2024-11-10 09:41:45,256 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 862 transitions. Word has length 192 [2024-11-10 09:41:45,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:45,256 INFO L471 AbstractCegarLoop]: Abstraction has 688 states and 862 transitions. [2024-11-10 09:41:45,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 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) [2024-11-10 09:41:45,256 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 862 transitions. [2024-11-10 09:41:45,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-10 09:41:45,257 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:45,257 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:41:45,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-10 09:41:45,258 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:45,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:45,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1391697535, now seen corresponding path program 1 times [2024-11-10 09:41:45,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:45,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405608796] [2024-11-10 09:41:45,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:45,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:45,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:45,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:45,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:45,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:45,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:45,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:45,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:45,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:45,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:45,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:45,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405608796] [2024-11-10 09:41:45,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405608796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:45,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:45,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:41:45,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3185665] [2024-11-10 09:41:45,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:45,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:41:45,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:45,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:41:45,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:41:45,367 INFO L87 Difference]: Start difference. First operand 688 states and 862 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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) [2024-11-10 09:41:45,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:45,412 INFO L93 Difference]: Finished difference Result 1221 states and 1532 transitions. [2024-11-10 09:41:45,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:41:45,413 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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 192 [2024-11-10 09:41:45,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:45,415 INFO L225 Difference]: With dead ends: 1221 [2024-11-10 09:41:45,415 INFO L226 Difference]: Without dead ends: 536 [2024-11-10 09:41:45,416 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 [2024-11-10 09:41:45,416 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 1 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:45,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 677 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:41:45,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2024-11-10 09:41:45,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 536. [2024-11-10 09:41:45,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 488 states have (on average 1.223360655737705) internal successors, (597), 490 states have internal predecessors, (597), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-10 09:41:45,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 671 transitions. [2024-11-10 09:41:45,449 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 671 transitions. Word has length 192 [2024-11-10 09:41:45,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:45,449 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 671 transitions. [2024-11-10 09:41:45,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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) [2024-11-10 09:41:45,449 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 671 transitions. [2024-11-10 09:41:45,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-10 09:41:45,450 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:45,450 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:41:45,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-10 09:41:45,451 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:45,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:45,451 INFO L85 PathProgramCache]: Analyzing trace with hash 149698144, now seen corresponding path program 1 times [2024-11-10 09:41:45,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:45,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880506380] [2024-11-10 09:41:45,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:45,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:45,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:45,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:45,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:45,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:45,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:45,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:45,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:45,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:45,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:45,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:45,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:45,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:45,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880506380] [2024-11-10 09:41:45,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880506380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:45,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:45,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:41:45,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061746095] [2024-11-10 09:41:45,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:45,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:41:45,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:45,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:41:45,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:41:45,649 INFO L87 Difference]: Start difference. First operand 536 states and 671 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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) [2024-11-10 09:41:45,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:45,771 INFO L93 Difference]: Finished difference Result 1110 states and 1388 transitions. [2024-11-10 09:41:45,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:41:45,772 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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 192 [2024-11-10 09:41:45,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:45,774 INFO L225 Difference]: With dead ends: 1110 [2024-11-10 09:41:45,774 INFO L226 Difference]: Without dead ends: 577 [2024-11-10 09:41:45,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:41:45,776 INFO L432 NwaCegarLoop]: 265 mSDtfsCounter, 75 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:45,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 845 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:41:45,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2024-11-10 09:41:45,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 573. [2024-11-10 09:41:45,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 519 states have (on average 1.2215799614643545) internal successors, (634), 522 states have internal predecessors, (634), 41 states have call successors, (41), 12 states have call predecessors, (41), 12 states have return successors, (41), 38 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-10 09:41:45,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 716 transitions. [2024-11-10 09:41:45,837 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 716 transitions. Word has length 192 [2024-11-10 09:41:45,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:45,837 INFO L471 AbstractCegarLoop]: Abstraction has 573 states and 716 transitions. [2024-11-10 09:41:45,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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) [2024-11-10 09:41:45,837 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 716 transitions. [2024-11-10 09:41:45,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-10 09:41:45,839 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:45,839 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:41:45,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-10 09:41:45,839 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:45,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:45,840 INFO L85 PathProgramCache]: Analyzing trace with hash -287211718, now seen corresponding path program 1 times [2024-11-10 09:41:45,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:45,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216167730] [2024-11-10 09:41:45,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:45,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:45,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:46,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:46,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:46,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:46,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:46,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:46,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:46,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:46,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:46,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:46,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:46,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:46,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:46,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:46,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:46,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:46,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:46,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:46,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:46,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:46,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:46,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:46,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:46,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:46,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:46,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:46,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:46,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:46,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:46,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:46,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:46,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:46,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:46,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:46,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:46,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:46,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216167730] [2024-11-10 09:41:46,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216167730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:46,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:46,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 09:41:46,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057041460] [2024-11-10 09:41:46,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:46,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 09:41:46,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:46,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 09:41:46,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-10 09:41:46,237 INFO L87 Difference]: Start difference. First operand 573 states and 716 transitions. Second operand has 9 states, 8 states have (on average 10.125) internal successors, (81), 9 states have internal predecessors, (81), 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) [2024-11-10 09:41:46,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:46,685 INFO L93 Difference]: Finished difference Result 1550 states and 1953 transitions. [2024-11-10 09:41:46,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 09:41:46,686 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.125) internal successors, (81), 9 states have internal predecessors, (81), 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 193 [2024-11-10 09:41:46,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:46,689 INFO L225 Difference]: With dead ends: 1550 [2024-11-10 09:41:46,690 INFO L226 Difference]: Without dead ends: 980 [2024-11-10 09:41:46,691 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2024-11-10 09:41:46,691 INFO L432 NwaCegarLoop]: 371 mSDtfsCounter, 537 mSDsluCounter, 1009 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 537 SdHoareTripleChecker+Valid, 1380 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:46,691 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [537 Valid, 1380 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 09:41:46,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2024-11-10 09:41:46,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 737. [2024-11-10 09:41:46,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 737 states, 663 states have (on average 1.2036199095022624) internal successors, (798), 668 states have internal predecessors, (798), 55 states have call successors, (55), 18 states have call predecessors, (55), 18 states have return successors, (55), 50 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-10 09:41:46,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 908 transitions. [2024-11-10 09:41:46,744 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 908 transitions. Word has length 193 [2024-11-10 09:41:46,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:46,744 INFO L471 AbstractCegarLoop]: Abstraction has 737 states and 908 transitions. [2024-11-10 09:41:46,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.125) internal successors, (81), 9 states have internal predecessors, (81), 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) [2024-11-10 09:41:46,745 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 908 transitions. [2024-11-10 09:41:46,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-10 09:41:46,746 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:46,746 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:41:46,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-10 09:41:46,746 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:46,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:46,747 INFO L85 PathProgramCache]: Analyzing trace with hash -550049334, now seen corresponding path program 1 times [2024-11-10 09:41:46,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:46,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693197295] [2024-11-10 09:41:46,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:46,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:46,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:47,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:47,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:47,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:47,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:47,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:47,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:47,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:47,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:47,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:47,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:47,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:47,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:47,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:47,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:47,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:47,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:47,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:47,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:47,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:47,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:47,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:47,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:47,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:47,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:47,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:47,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:47,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:47,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:47,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:47,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:47,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:47,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:47,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:47,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:47,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:47,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693197295] [2024-11-10 09:41:47,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693197295] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:47,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:47,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 09:41:47,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389696098] [2024-11-10 09:41:47,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:47,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 09:41:47,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:47,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 09:41:47,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-10 09:41:47,312 INFO L87 Difference]: Start difference. First operand 737 states and 908 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 9 states have internal predecessors, (81), 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) [2024-11-10 09:41:47,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:47,660 INFO L93 Difference]: Finished difference Result 2146 states and 2634 transitions. [2024-11-10 09:41:47,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 09:41:47,660 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 9 states have internal predecessors, (81), 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 193 [2024-11-10 09:41:47,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:47,665 INFO L225 Difference]: With dead ends: 2146 [2024-11-10 09:41:47,665 INFO L226 Difference]: Without dead ends: 1412 [2024-11-10 09:41:47,666 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-11-10 09:41:47,666 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 174 mSDsluCounter, 1104 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 1335 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:47,667 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 1335 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 09:41:47,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1412 states. [2024-11-10 09:41:47,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1412 to 1377. [2024-11-10 09:41:47,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1377 states, 1239 states have (on average 1.188861985472155) internal successors, (1473), 1250 states have internal predecessors, (1473), 101 states have call successors, (101), 36 states have call predecessors, (101), 36 states have return successors, (101), 90 states have call predecessors, (101), 101 states have call successors, (101) [2024-11-10 09:41:47,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1377 states and 1675 transitions. [2024-11-10 09:41:47,894 INFO L78 Accepts]: Start accepts. Automaton has 1377 states and 1675 transitions. Word has length 193 [2024-11-10 09:41:47,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:47,894 INFO L471 AbstractCegarLoop]: Abstraction has 1377 states and 1675 transitions. [2024-11-10 09:41:47,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 9 states have internal predecessors, (81), 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) [2024-11-10 09:41:47,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 1675 transitions. [2024-11-10 09:41:47,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-10 09:41:47,896 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:47,896 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:41:47,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-10 09:41:47,896 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:47,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:47,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1472732917, now seen corresponding path program 1 times [2024-11-10 09:41:47,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:47,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326730503] [2024-11-10 09:41:47,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:47,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:48,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:48,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:48,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:48,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:48,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:48,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:48,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326730503] [2024-11-10 09:41:48,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326730503] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:48,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:48,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 09:41:48,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551413610] [2024-11-10 09:41:48,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:48,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 09:41:48,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:48,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 09:41:48,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-10 09:41:48,153 INFO L87 Difference]: Start difference. First operand 1377 states and 1675 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 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) [2024-11-10 09:41:48,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:48,390 INFO L93 Difference]: Finished difference Result 3457 states and 4210 transitions. [2024-11-10 09:41:48,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 09:41:48,395 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 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 193 [2024-11-10 09:41:48,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:48,402 INFO L225 Difference]: With dead ends: 3457 [2024-11-10 09:41:48,402 INFO L226 Difference]: Without dead ends: 2083 [2024-11-10 09:41:48,404 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-10 09:41:48,405 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 240 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 994 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:48,405 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 994 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:41:48,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2083 states. [2024-11-10 09:41:48,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2083 to 2067. [2024-11-10 09:41:48,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2067 states, 1867 states have (on average 1.1863952865559722) internal successors, (2215), 1884 states have internal predecessors, (2215), 145 states have call successors, (145), 54 states have call predecessors, (145), 54 states have return successors, (145), 128 states have call predecessors, (145), 145 states have call successors, (145) [2024-11-10 09:41:48,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2067 states to 2067 states and 2505 transitions. [2024-11-10 09:41:48,589 INFO L78 Accepts]: Start accepts. Automaton has 2067 states and 2505 transitions. Word has length 193 [2024-11-10 09:41:48,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:48,590 INFO L471 AbstractCegarLoop]: Abstraction has 2067 states and 2505 transitions. [2024-11-10 09:41:48,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 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) [2024-11-10 09:41:48,590 INFO L276 IsEmpty]: Start isEmpty. Operand 2067 states and 2505 transitions. [2024-11-10 09:41:48,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-10 09:41:48,592 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:48,592 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:41:48,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-10 09:41:48,593 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:48,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:48,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1025283020, now seen corresponding path program 1 times [2024-11-10 09:41:48,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:48,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295607384] [2024-11-10 09:41:48,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:48,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:48,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:48,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:48,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:48,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:48,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:48,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:48,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:48,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:48,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:48,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:48,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:48,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:48,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:48,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:48,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:48,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295607384] [2024-11-10 09:41:48,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295607384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:48,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:48,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 09:41:48,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642142499] [2024-11-10 09:41:48,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:48,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 09:41:48,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:48,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 09:41:48,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-10 09:41:48,978 INFO L87 Difference]: Start difference. First operand 2067 states and 2505 transitions. Second operand has 10 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 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) [2024-11-10 09:41:49,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:49,378 INFO L93 Difference]: Finished difference Result 4935 states and 5980 transitions. [2024-11-10 09:41:49,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 09:41:49,378 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 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 193 [2024-11-10 09:41:49,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:49,387 INFO L225 Difference]: With dead ends: 4935 [2024-11-10 09:41:49,387 INFO L226 Difference]: Without dead ends: 2871 [2024-11-10 09:41:49,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-10 09:41:49,391 INFO L432 NwaCegarLoop]: 322 mSDtfsCounter, 154 mSDsluCounter, 1531 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 1853 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:49,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 1853 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:41:49,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2871 states. [2024-11-10 09:41:49,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2871 to 2427. [2024-11-10 09:41:49,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2427 states, 2227 states have (on average 1.1674898967220475) internal successors, (2600), 2244 states have internal predecessors, (2600), 145 states have call successors, (145), 54 states have call predecessors, (145), 54 states have return successors, (145), 128 states have call predecessors, (145), 145 states have call successors, (145) [2024-11-10 09:41:49,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2427 states to 2427 states and 2890 transitions. [2024-11-10 09:41:49,642 INFO L78 Accepts]: Start accepts. Automaton has 2427 states and 2890 transitions. Word has length 193 [2024-11-10 09:41:49,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:49,642 INFO L471 AbstractCegarLoop]: Abstraction has 2427 states and 2890 transitions. [2024-11-10 09:41:49,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 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) [2024-11-10 09:41:49,643 INFO L276 IsEmpty]: Start isEmpty. Operand 2427 states and 2890 transitions. [2024-11-10 09:41:49,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-10 09:41:49,650 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:49,650 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:41:49,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-10 09:41:49,650 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:49,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:49,650 INFO L85 PathProgramCache]: Analyzing trace with hash 886574092, now seen corresponding path program 1 times [2024-11-10 09:41:49,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:49,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635355090] [2024-11-10 09:41:49,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:49,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:49,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:49,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:49,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:49,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:49,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:49,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:49,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:49,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:49,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:49,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:49,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:49,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:49,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:49,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:49,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:49,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:49,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:49,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:49,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:49,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:49,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:49,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:49,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:49,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:49,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:49,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:49,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:49,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:49,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:49,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:49,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:49,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:49,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:49,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635355090] [2024-11-10 09:41:49,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635355090] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:49,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:49,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:41:49,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704103911] [2024-11-10 09:41:49,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:49,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:41:49,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:49,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:41:49,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:41:49,894 INFO L87 Difference]: Start difference. First operand 2427 states and 2890 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 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) [2024-11-10 09:41:50,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:50,198 INFO L93 Difference]: Finished difference Result 6155 states and 7318 transitions. [2024-11-10 09:41:50,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 09:41:50,199 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 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 193 [2024-11-10 09:41:50,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:50,212 INFO L225 Difference]: With dead ends: 6155 [2024-11-10 09:41:50,213 INFO L226 Difference]: Without dead ends: 3731 [2024-11-10 09:41:50,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:41:50,217 INFO L432 NwaCegarLoop]: 250 mSDtfsCounter, 162 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:50,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 653 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:41:50,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3731 states. [2024-11-10 09:41:50,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3731 to 3719. [2024-11-10 09:41:50,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3719 states, 3384 states have (on average 1.1595744680851063) internal successors, (3924), 3414 states have internal predecessors, (3924), 239 states have call successors, (239), 95 states have call predecessors, (239), 95 states have return successors, (239), 209 states have call predecessors, (239), 239 states have call successors, (239) [2024-11-10 09:41:50,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3719 states to 3719 states and 4402 transitions. [2024-11-10 09:41:50,530 INFO L78 Accepts]: Start accepts. Automaton has 3719 states and 4402 transitions. Word has length 193 [2024-11-10 09:41:50,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:50,531 INFO L471 AbstractCegarLoop]: Abstraction has 3719 states and 4402 transitions. [2024-11-10 09:41:50,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 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) [2024-11-10 09:41:50,531 INFO L276 IsEmpty]: Start isEmpty. Operand 3719 states and 4402 transitions. [2024-11-10 09:41:50,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-10 09:41:50,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:50,535 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:41:50,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-10 09:41:50,535 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:50,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:50,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1166887193, now seen corresponding path program 1 times [2024-11-10 09:41:50,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:50,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811874808] [2024-11-10 09:41:50,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:50,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:51,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:51,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:51,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:51,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:51,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:51,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:51,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:51,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:51,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:51,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:51,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:51,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:51,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:51,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:51,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:51,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:51,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:51,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:51,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:51,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:51,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:51,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:51,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:51,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:51,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:51,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:51,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:51,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:51,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:51,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:51,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:51,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:51,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:51,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:51,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:51,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:51,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:51,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811874808] [2024-11-10 09:41:51,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811874808] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:51,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:51,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 09:41:51,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949432810] [2024-11-10 09:41:51,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:51,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 09:41:51,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:51,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 09:41:51,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-10 09:41:51,357 INFO L87 Difference]: Start difference. First operand 3719 states and 4402 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:41:51,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:51,899 INFO L93 Difference]: Finished difference Result 7395 states and 8752 transitions. [2024-11-10 09:41:51,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 09:41:51,900 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 194 [2024-11-10 09:41:51,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:51,911 INFO L225 Difference]: With dead ends: 7395 [2024-11-10 09:41:51,911 INFO L226 Difference]: Without dead ends: 3721 [2024-11-10 09:41:51,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-10 09:41:51,917 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 90 mSDsluCounter, 1264 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 1503 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:51,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 1503 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 09:41:51,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3721 states. [2024-11-10 09:41:52,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3721 to 3605. [2024-11-10 09:41:52,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3605 states, 3270 states have (on average 1.1605504587155964) internal successors, (3795), 3300 states have internal predecessors, (3795), 239 states have call successors, (239), 95 states have call predecessors, (239), 95 states have return successors, (239), 209 states have call predecessors, (239), 239 states have call successors, (239) [2024-11-10 09:41:52,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3605 states to 3605 states and 4273 transitions. [2024-11-10 09:41:52,290 INFO L78 Accepts]: Start accepts. Automaton has 3605 states and 4273 transitions. Word has length 194 [2024-11-10 09:41:52,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:52,290 INFO L471 AbstractCegarLoop]: Abstraction has 3605 states and 4273 transitions. [2024-11-10 09:41:52,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:41:52,291 INFO L276 IsEmpty]: Start isEmpty. Operand 3605 states and 4273 transitions. [2024-11-10 09:41:52,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-10 09:41:52,295 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:52,295 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:41:52,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-10 09:41:52,295 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:52,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:52,296 INFO L85 PathProgramCache]: Analyzing trace with hash -350787960, now seen corresponding path program 1 times [2024-11-10 09:41:52,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:52,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606299137] [2024-11-10 09:41:52,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:52,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:52,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:52,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:52,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:52,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:52,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:52,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:52,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:52,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:52,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:52,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:52,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:52,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:52,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:52,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:52,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:52,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:52,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:52,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:52,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:52,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:52,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:52,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:52,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:52,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:52,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:52,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:52,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:52,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:52,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:52,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:53,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:53,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:53,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:53,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:53,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:53,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:53,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:53,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:53,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606299137] [2024-11-10 09:41:53,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606299137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:53,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:53,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 09:41:53,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116964724] [2024-11-10 09:41:53,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:53,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 09:41:53,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:53,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 09:41:53,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-10 09:41:53,006 INFO L87 Difference]: Start difference. First operand 3605 states and 4273 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 9 states have internal predecessors, (83), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:41:53,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:53,705 INFO L93 Difference]: Finished difference Result 7451 states and 8850 transitions. [2024-11-10 09:41:53,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 09:41:53,705 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 9 states have internal predecessors, (83), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 195 [2024-11-10 09:41:53,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:53,728 INFO L225 Difference]: With dead ends: 7451 [2024-11-10 09:41:53,728 INFO L226 Difference]: Without dead ends: 3891 [2024-11-10 09:41:53,733 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-11-10 09:41:53,734 INFO L432 NwaCegarLoop]: 269 mSDtfsCounter, 171 mSDsluCounter, 1394 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 1663 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:53,734 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 1663 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 09:41:53,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3891 states. [2024-11-10 09:41:54,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3891 to 3357. [2024-11-10 09:41:54,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3357 states, 3081 states have (on average 1.1587147030185005) internal successors, (3570), 3105 states have internal predecessors, (3570), 197 states have call successors, (197), 78 states have call predecessors, (197), 78 states have return successors, (197), 173 states have call predecessors, (197), 197 states have call successors, (197) [2024-11-10 09:41:54,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3357 states to 3357 states and 3964 transitions. [2024-11-10 09:41:54,198 INFO L78 Accepts]: Start accepts. Automaton has 3357 states and 3964 transitions. Word has length 195 [2024-11-10 09:41:54,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:54,199 INFO L471 AbstractCegarLoop]: Abstraction has 3357 states and 3964 transitions. [2024-11-10 09:41:54,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 9 states have internal predecessors, (83), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:41:54,199 INFO L276 IsEmpty]: Start isEmpty. Operand 3357 states and 3964 transitions. [2024-11-10 09:41:54,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-10 09:41:54,207 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:54,207 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:41:54,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-10 09:41:54,208 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:54,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:54,208 INFO L85 PathProgramCache]: Analyzing trace with hash 2147227977, now seen corresponding path program 1 times [2024-11-10 09:41:54,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:54,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176579623] [2024-11-10 09:41:54,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:54,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:54,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:54,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:54,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:54,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:54,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:54,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:54,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:54,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:54,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:54,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:54,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:54,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:54,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:54,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:54,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:54,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:54,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:54,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:54,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:54,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:54,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:54,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:54,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:54,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:54,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:54,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:54,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:54,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:54,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:54,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:54,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:54,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:54,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:54,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:54,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:54,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:54,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:54,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:54,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176579623] [2024-11-10 09:41:54,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176579623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:54,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:54,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 09:41:54,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93386970] [2024-11-10 09:41:54,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:54,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 09:41:54,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:54,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 09:41:54,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-10 09:41:54,653 INFO L87 Difference]: Start difference. First operand 3357 states and 3964 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:41:54,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:54,953 INFO L93 Difference]: Finished difference Result 6676 states and 7883 transitions. [2024-11-10 09:41:54,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 09:41:54,954 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 195 [2024-11-10 09:41:54,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:54,961 INFO L225 Difference]: With dead ends: 6676 [2024-11-10 09:41:54,961 INFO L226 Difference]: Without dead ends: 3364 [2024-11-10 09:41:54,965 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-10 09:41:54,965 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 163 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 934 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:54,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 934 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:41:54,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3364 states. [2024-11-10 09:41:55,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3364 to 3349. [2024-11-10 09:41:55,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3349 states, 3072 states have (on average 1.1552734375) internal successors, (3549), 3096 states have internal predecessors, (3549), 197 states have call successors, (197), 79 states have call predecessors, (197), 79 states have return successors, (197), 173 states have call predecessors, (197), 197 states have call successors, (197) [2024-11-10 09:41:55,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3349 states to 3349 states and 3943 transitions. [2024-11-10 09:41:55,238 INFO L78 Accepts]: Start accepts. Automaton has 3349 states and 3943 transitions. Word has length 195 [2024-11-10 09:41:55,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:55,239 INFO L471 AbstractCegarLoop]: Abstraction has 3349 states and 3943 transitions. [2024-11-10 09:41:55,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:41:55,239 INFO L276 IsEmpty]: Start isEmpty. Operand 3349 states and 3943 transitions. [2024-11-10 09:41:55,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-10 09:41:55,242 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:55,242 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:41:55,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-10 09:41:55,242 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:55,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:55,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1853824970, now seen corresponding path program 1 times [2024-11-10 09:41:55,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:55,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703507644] [2024-11-10 09:41:55,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:55,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:55,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:55,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:55,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:55,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:55,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:55,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:55,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:55,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:55,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:55,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:55,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:55,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:55,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:55,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:55,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:55,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:55,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:55,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:55,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:55,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:55,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:55,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:55,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:55,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:55,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:55,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:55,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:55,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:41:55,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:55,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703507644] [2024-11-10 09:41:55,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703507644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:41:55,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:41:55,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:41:55,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358331701] [2024-11-10 09:41:55,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:41:55,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:41:55,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:55,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:41:55,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:41:55,448 INFO L87 Difference]: Start difference. First operand 3349 states and 3943 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:41:55,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:55,709 INFO L93 Difference]: Finished difference Result 6624 states and 7798 transitions. [2024-11-10 09:41:55,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:41:55,710 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 195 [2024-11-10 09:41:55,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:55,716 INFO L225 Difference]: With dead ends: 6624 [2024-11-10 09:41:55,717 INFO L226 Difference]: Without dead ends: 3320 [2024-11-10 09:41:55,721 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:41:55,721 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 87 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:55,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 734 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:41:55,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3320 states. [2024-11-10 09:41:55,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3320 to 2689. [2024-11-10 09:41:55,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2689 states, 2485 states have (on average 1.1517102615694166) internal successors, (2862), 2502 states have internal predecessors, (2862), 145 states have call successors, (145), 58 states have call predecessors, (145), 58 states have return successors, (145), 128 states have call predecessors, (145), 145 states have call successors, (145) [2024-11-10 09:41:55,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2689 states to 2689 states and 3152 transitions. [2024-11-10 09:41:55,894 INFO L78 Accepts]: Start accepts. Automaton has 2689 states and 3152 transitions. Word has length 195 [2024-11-10 09:41:55,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:55,894 INFO L471 AbstractCegarLoop]: Abstraction has 2689 states and 3152 transitions. [2024-11-10 09:41:55,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-10 09:41:55,895 INFO L276 IsEmpty]: Start isEmpty. Operand 2689 states and 3152 transitions. [2024-11-10 09:41:55,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-10 09:41:55,897 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:55,897 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:41:55,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-10 09:41:55,898 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:55,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:55,898 INFO L85 PathProgramCache]: Analyzing trace with hash 828137904, now seen corresponding path program 1 times [2024-11-10 09:41:55,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:55,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040068113] [2024-11-10 09:41:55,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:55,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:56,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:56,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:56,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:56,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:56,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:56,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:56,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:56,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:56,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:56,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:56,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:56,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:56,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:56,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:56,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:56,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:56,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:56,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:56,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:56,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:56,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:56,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:56,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:56,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:56,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:56,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:56,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:56,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:56,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:56,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:56,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:56,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-10 09:41:56,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:56,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040068113] [2024-11-10 09:41:56,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040068113] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 09:41:56,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [8213651] [2024-11-10 09:41:56,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:56,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 09:41:56,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 09:41:56,516 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 09:41:56,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 09:41:56,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:56,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-10 09:41:56,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 09:41:56,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-10 09:41:57,076 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2024-11-10 09:41:57,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 19 proven. 297 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2024-11-10 09:41:57,099 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 09:41:57,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2024-11-10 09:41:57,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 9 proven. 57 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-10 09:41:57,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [8213651] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 09:41:57,427 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 09:41:57,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 9] total 19 [2024-11-10 09:41:57,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080284951] [2024-11-10 09:41:57,428 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 09:41:57,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-10 09:41:57,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:41:57,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-10 09:41:57,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2024-11-10 09:41:57,431 INFO L87 Difference]: Start difference. First operand 2689 states and 3152 transitions. Second operand has 19 states, 15 states have (on average 9.266666666666667) internal successors, (139), 18 states have internal predecessors, (139), 9 states have call successors, (69), 3 states have call predecessors, (69), 5 states have return successors, (69), 6 states have call predecessors, (69), 9 states have call successors, (69) [2024-11-10 09:41:58,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:41:58,701 INFO L93 Difference]: Finished difference Result 4834 states and 5649 transitions. [2024-11-10 09:41:58,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-10 09:41:58,702 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 15 states have (on average 9.266666666666667) internal successors, (139), 18 states have internal predecessors, (139), 9 states have call successors, (69), 3 states have call predecessors, (69), 5 states have return successors, (69), 6 states have call predecessors, (69), 9 states have call successors, (69) Word has length 195 [2024-11-10 09:41:58,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:41:58,707 INFO L225 Difference]: With dead ends: 4834 [2024-11-10 09:41:58,707 INFO L226 Difference]: Without dead ends: 2148 [2024-11-10 09:41:58,710 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 429 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 301 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=411, Invalid=1569, Unknown=0, NotChecked=0, Total=1980 [2024-11-10 09:41:58,710 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 669 mSDsluCounter, 1109 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 669 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 09:41:58,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [669 Valid, 1274 Invalid, 902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 733 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 09:41:58,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2024-11-10 09:41:58,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 1509. [2024-11-10 09:41:58,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1509 states, 1359 states have (on average 1.1530537159676233) internal successors, (1567), 1368 states have internal predecessors, (1567), 105 states have call successors, (105), 44 states have call predecessors, (105), 44 states have return successors, (105), 96 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-10 09:41:58,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1509 states and 1777 transitions. [2024-11-10 09:41:58,861 INFO L78 Accepts]: Start accepts. Automaton has 1509 states and 1777 transitions. Word has length 195 [2024-11-10 09:41:58,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:41:58,861 INFO L471 AbstractCegarLoop]: Abstraction has 1509 states and 1777 transitions. [2024-11-10 09:41:58,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 15 states have (on average 9.266666666666667) internal successors, (139), 18 states have internal predecessors, (139), 9 states have call successors, (69), 3 states have call predecessors, (69), 5 states have return successors, (69), 6 states have call predecessors, (69), 9 states have call successors, (69) [2024-11-10 09:41:58,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 1777 transitions. [2024-11-10 09:41:58,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-10 09:41:58,863 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:41:58,863 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:41:58,879 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 09:41:59,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 09:41:59,069 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:41:59,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:41:59,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1370643081, now seen corresponding path program 1 times [2024-11-10 09:41:59,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:41:59,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246974590] [2024-11-10 09:41:59,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:59,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:41:59,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:59,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:41:59,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:59,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:41:59,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:59,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:41:59,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:59,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:41:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:59,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:41:59,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:59,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:41:59,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:59,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:41:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:59,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:41:59,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:59,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:41:59,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:59,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:41:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:59,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:41:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:59,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:41:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:59,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:41:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:59,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:41:59,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:59,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:41:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:59,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:41:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:59,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:41:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:59,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:41:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:59,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:41:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:59,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:41:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:59,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:41:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:59,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:41:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:59,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:41:59,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:59,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 36 proven. 30 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-10 09:41:59,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:41:59,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246974590] [2024-11-10 09:41:59,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246974590] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 09:41:59,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810214719] [2024-11-10 09:41:59,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:41:59,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 09:41:59,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 09:41:59,561 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 09:41:59,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 09:41:59,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:41:59,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-10 09:41:59,873 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 09:42:00,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-10 09:42:00,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2024-11-10 09:42:00,236 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 [2024-11-10 09:42:00,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 13 proven. 543 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2024-11-10 09:42:00,273 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 09:42:00,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2024-11-10 09:42:00,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 27 proven. 39 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-10 09:42:00,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [810214719] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 09:42:00,653 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 09:42:00,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 11] total 23 [2024-11-10 09:42:00,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078694278] [2024-11-10 09:42:00,653 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 09:42:00,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-10 09:42:00,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:00,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-10 09:42:00,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2024-11-10 09:42:00,655 INFO L87 Difference]: Start difference. First operand 1509 states and 1777 transitions. Second operand has 23 states, 19 states have (on average 8.421052631578947) internal successors, (160), 22 states have internal predecessors, (160), 9 states have call successors, (69), 3 states have call predecessors, (69), 5 states have return successors, (69), 6 states have call predecessors, (69), 9 states have call successors, (69) [2024-11-10 09:42:02,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:02,605 INFO L93 Difference]: Finished difference Result 2753 states and 3234 transitions. [2024-11-10 09:42:02,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-10 09:42:02,605 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 19 states have (on average 8.421052631578947) internal successors, (160), 22 states have internal predecessors, (160), 9 states have call successors, (69), 3 states have call predecessors, (69), 5 states have return successors, (69), 6 states have call predecessors, (69), 9 states have call successors, (69) Word has length 198 [2024-11-10 09:42:02,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:02,609 INFO L225 Difference]: With dead ends: 2753 [2024-11-10 09:42:02,609 INFO L226 Difference]: Without dead ends: 1301 [2024-11-10 09:42:02,612 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 433 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1086 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=827, Invalid=3865, Unknown=0, NotChecked=0, Total=4692 [2024-11-10 09:42:02,612 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 1756 mSDsluCounter, 1451 mSDsCounter, 0 mSdLazyCounter, 925 mSolverCounterSat, 497 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1756 SdHoareTripleChecker+Valid, 1608 SdHoareTripleChecker+Invalid, 1422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 497 IncrementalHoareTripleChecker+Valid, 925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 09:42:02,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1756 Valid, 1608 Invalid, 1422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [497 Valid, 925 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 09:42:02,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1301 states. [2024-11-10 09:42:02,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1301 to 1207. [2024-11-10 09:42:02,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1207 states, 1063 states have (on average 1.1401693320790216) internal successors, (1212), 1069 states have internal predecessors, (1212), 100 states have call successors, (100), 43 states have call predecessors, (100), 43 states have return successors, (100), 94 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-10 09:42:02,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 1207 states and 1412 transitions. [2024-11-10 09:42:02,750 INFO L78 Accepts]: Start accepts. Automaton has 1207 states and 1412 transitions. Word has length 198 [2024-11-10 09:42:02,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:02,751 INFO L471 AbstractCegarLoop]: Abstraction has 1207 states and 1412 transitions. [2024-11-10 09:42:02,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 19 states have (on average 8.421052631578947) internal successors, (160), 22 states have internal predecessors, (160), 9 states have call successors, (69), 3 states have call predecessors, (69), 5 states have return successors, (69), 6 states have call predecessors, (69), 9 states have call successors, (69) [2024-11-10 09:42:02,751 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1412 transitions. [2024-11-10 09:42:02,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-10 09:42:02,754 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:02,754 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:42:02,773 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 09:42:02,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 09:42:02,955 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:02,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:02,956 INFO L85 PathProgramCache]: Analyzing trace with hash -603160122, now seen corresponding path program 1 times [2024-11-10 09:42:02,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:02,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014383904] [2024-11-10 09:42:02,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:02,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:03,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:03,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:03,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:03,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:03,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:03,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:03,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:03,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:03,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:03,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:03,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:42:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:42:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:42:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:42:03,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:03,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014383904] [2024-11-10 09:42:03,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014383904] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:03,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:03,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 09:42:03,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045506095] [2024-11-10 09:42:03,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:03,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 09:42:03,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:03,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 09:42:03,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 09:42:03,059 INFO L87 Difference]: Start difference. First operand 1207 states and 1412 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 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) [2024-11-10 09:42:03,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:03,201 INFO L93 Difference]: Finished difference Result 2125 states and 2492 transitions. [2024-11-10 09:42:03,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 09:42:03,202 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 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 198 [2024-11-10 09:42:03,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:03,205 INFO L225 Difference]: With dead ends: 2125 [2024-11-10 09:42:03,205 INFO L226 Difference]: Without dead ends: 979 [2024-11-10 09:42:03,206 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 [2024-11-10 09:42:03,206 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 1 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:42:03,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 501 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:42:03,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 979 states. [2024-11-10 09:42:03,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 979 to 979. [2024-11-10 09:42:03,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 979 states, 835 states have (on average 1.1281437125748504) internal successors, (942), 841 states have internal predecessors, (942), 100 states have call successors, (100), 43 states have call predecessors, (100), 43 states have return successors, (100), 94 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-10 09:42:03,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 979 states and 1142 transitions. [2024-11-10 09:42:03,440 INFO L78 Accepts]: Start accepts. Automaton has 979 states and 1142 transitions. Word has length 198 [2024-11-10 09:42:03,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:03,440 INFO L471 AbstractCegarLoop]: Abstraction has 979 states and 1142 transitions. [2024-11-10 09:42:03,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 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) [2024-11-10 09:42:03,441 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1142 transitions. [2024-11-10 09:42:03,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-10 09:42:03,442 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:03,443 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:42:03,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-10 09:42:03,443 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:03,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:03,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1568878025, now seen corresponding path program 1 times [2024-11-10 09:42:03,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:03,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379570827] [2024-11-10 09:42:03,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:03,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:03,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:03,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:42:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:42:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:42:03,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:03,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 30 proven. 36 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-10 09:42:03,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:03,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379570827] [2024-11-10 09:42:03,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379570827] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 09:42:03,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223984984] [2024-11-10 09:42:03,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:03,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 09:42:03,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 09:42:03,866 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 09:42:03,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 09:42:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:04,155 INFO L255 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-10 09:42:04,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 09:42:04,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-10 09:42:04,505 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 37 treesize of output 25 [2024-11-10 09:42:04,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 12 proven. 556 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2024-11-10 09:42:04,518 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 09:42:04,722 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 36 treesize of output 32 [2024-11-10 09:42:04,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 30 proven. 36 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-10 09:42:04,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [223984984] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 09:42:04,840 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 09:42:04,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 13 [2024-11-10 09:42:04,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541487776] [2024-11-10 09:42:04,841 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 09:42:04,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 09:42:04,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:04,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 09:42:04,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-10 09:42:04,842 INFO L87 Difference]: Start difference. First operand 979 states and 1142 transitions. Second operand has 13 states, 10 states have (on average 10.1) internal successors, (101), 12 states have internal predecessors, (101), 5 states have call successors, (47), 3 states have call predecessors, (47), 5 states have return successors, (47), 3 states have call predecessors, (47), 5 states have call successors, (47) [2024-11-10 09:42:05,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:05,374 INFO L93 Difference]: Finished difference Result 1547 states and 1798 transitions. [2024-11-10 09:42:05,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 09:42:05,375 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 10.1) internal successors, (101), 12 states have internal predecessors, (101), 5 states have call successors, (47), 3 states have call predecessors, (47), 5 states have return successors, (47), 3 states have call predecessors, (47), 5 states have call successors, (47) Word has length 198 [2024-11-10 09:42:05,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:05,377 INFO L225 Difference]: With dead ends: 1547 [2024-11-10 09:42:05,377 INFO L226 Difference]: Without dead ends: 629 [2024-11-10 09:42:05,378 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 458 GetRequests, 435 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=375, Unknown=0, NotChecked=0, Total=506 [2024-11-10 09:42:05,379 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 313 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 09:42:05,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 817 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 09:42:05,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2024-11-10 09:42:05,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 571. [2024-11-10 09:42:05,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 481 states have (on average 1.1164241164241164) internal successors, (537), 484 states have internal predecessors, (537), 58 states have call successors, (58), 31 states have call predecessors, (58), 31 states have return successors, (58), 55 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-10 09:42:05,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 653 transitions. [2024-11-10 09:42:05,473 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 653 transitions. Word has length 198 [2024-11-10 09:42:05,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:05,473 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 653 transitions. [2024-11-10 09:42:05,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 10.1) internal successors, (101), 12 states have internal predecessors, (101), 5 states have call successors, (47), 3 states have call predecessors, (47), 5 states have return successors, (47), 3 states have call predecessors, (47), 5 states have call successors, (47) [2024-11-10 09:42:05,474 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 653 transitions. [2024-11-10 09:42:05,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-10 09:42:05,474 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:05,475 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:42:05,493 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-10 09:42:05,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-10 09:42:05,679 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:05,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:05,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1297476683, now seen corresponding path program 1 times [2024-11-10 09:42:05,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:05,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053428789] [2024-11-10 09:42:05,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:05,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:05,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:05,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:05,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:05,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:05,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:05,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:05,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:05,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:05,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:05,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:05,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:05,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:05,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:05,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:05,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:05,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:05,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:05,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:05,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:05,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:05,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:05,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:05,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:42:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:05,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:42:05,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:05,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:42:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:05,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:42:05,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:05,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053428789] [2024-11-10 09:42:05,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053428789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:05,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:05,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:42:05,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097241753] [2024-11-10 09:42:05,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:05,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:42:05,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:05,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:42:05,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:42:05,948 INFO L87 Difference]: Start difference. First operand 571 states and 653 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 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) [2024-11-10 09:42:06,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:06,118 INFO L93 Difference]: Finished difference Result 1077 states and 1235 transitions. [2024-11-10 09:42:06,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:42:06,118 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 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 200 [2024-11-10 09:42:06,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:06,121 INFO L225 Difference]: With dead ends: 1077 [2024-11-10 09:42:06,121 INFO L226 Difference]: Without dead ends: 571 [2024-11-10 09:42:06,122 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 [2024-11-10 09:42:06,122 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 132 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:42:06,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 431 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:42:06,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2024-11-10 09:42:06,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 571. [2024-11-10 09:42:06,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 481 states have (on average 1.1101871101871101) internal successors, (534), 484 states have internal predecessors, (534), 58 states have call successors, (58), 31 states have call predecessors, (58), 31 states have return successors, (58), 55 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-10 09:42:06,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 650 transitions. [2024-11-10 09:42:06,224 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 650 transitions. Word has length 200 [2024-11-10 09:42:06,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:06,230 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 650 transitions. [2024-11-10 09:42:06,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 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) [2024-11-10 09:42:06,230 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 650 transitions. [2024-11-10 09:42:06,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-10 09:42:06,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:06,232 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:42:06,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-10 09:42:06,232 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:06,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:06,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1968526199, now seen corresponding path program 1 times [2024-11-10 09:42:06,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:06,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573356232] [2024-11-10 09:42:06,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:06,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:07,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:07,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:07,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:07,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:07,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:07,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:07,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:07,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:07,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:07,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:07,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:07,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:07,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:07,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:07,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:07,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:07,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:07,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:07,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:07,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:07,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:07,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:07,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:07,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:07,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:07,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:07,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:07,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:07,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:07,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:07,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:07,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:07,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:07,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:07,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:07,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:42:07,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:07,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:42:07,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:07,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:42:07,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:07,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:42:07,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:07,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573356232] [2024-11-10 09:42:07,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573356232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:07,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:07,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-10 09:42:07,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269516064] [2024-11-10 09:42:07,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:07,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 09:42:07,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:07,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 09:42:07,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-10 09:42:07,495 INFO L87 Difference]: Start difference. First operand 571 states and 650 transitions. Second operand has 14 states, 13 states have (on average 6.923076923076923) internal successors, (90), 13 states have internal predecessors, (90), 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) [2024-11-10 09:42:08,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:08,414 INFO L93 Difference]: Finished difference Result 1517 states and 1727 transitions. [2024-11-10 09:42:08,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 09:42:08,415 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.923076923076923) internal successors, (90), 13 states have internal predecessors, (90), 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 202 [2024-11-10 09:42:08,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:08,419 INFO L225 Difference]: With dead ends: 1517 [2024-11-10 09:42:08,419 INFO L226 Difference]: Without dead ends: 1011 [2024-11-10 09:42:08,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2024-11-10 09:42:08,421 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 425 mSDsluCounter, 1384 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 1586 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 09:42:08,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 1586 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 09:42:08,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2024-11-10 09:42:08,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 969. [2024-11-10 09:42:08,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 969 states, 832 states have (on average 1.1141826923076923) internal successors, (927), 838 states have internal predecessors, (927), 88 states have call successors, (88), 48 states have call predecessors, (88), 48 states have return successors, (88), 82 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-10 09:42:08,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 969 states and 1103 transitions. [2024-11-10 09:42:08,625 INFO L78 Accepts]: Start accepts. Automaton has 969 states and 1103 transitions. Word has length 202 [2024-11-10 09:42:08,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:08,625 INFO L471 AbstractCegarLoop]: Abstraction has 969 states and 1103 transitions. [2024-11-10 09:42:08,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.923076923076923) internal successors, (90), 13 states have internal predecessors, (90), 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) [2024-11-10 09:42:08,626 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1103 transitions. [2024-11-10 09:42:08,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-10 09:42:08,627 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:08,627 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:42:08,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-10 09:42:08,627 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:08,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:08,628 INFO L85 PathProgramCache]: Analyzing trace with hash 2129927592, now seen corresponding path program 1 times [2024-11-10 09:42:08,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:08,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419982993] [2024-11-10 09:42:08,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:08,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:08,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:08,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:08,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:08,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:08,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:08,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:08,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:08,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:08,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:08,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:08,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:08,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:08,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:08,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:08,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:08,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:08,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:08,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:08,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:08,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:08,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:08,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:08,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:08,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:08,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:08,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:08,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:42:08,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:08,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:42:08,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:08,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:42:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:08,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:42:08,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:08,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419982993] [2024-11-10 09:42:08,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419982993] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:08,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:08,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:42:08,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72274209] [2024-11-10 09:42:08,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:08,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:42:08,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:08,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:42:08,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:42:08,795 INFO L87 Difference]: Start difference. First operand 969 states and 1103 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 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) [2024-11-10 09:42:09,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:09,098 INFO L93 Difference]: Finished difference Result 1877 states and 2135 transitions. [2024-11-10 09:42:09,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:42:09,098 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 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 202 [2024-11-10 09:42:09,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:09,102 INFO L225 Difference]: With dead ends: 1877 [2024-11-10 09:42:09,102 INFO L226 Difference]: Without dead ends: 973 [2024-11-10 09:42:09,104 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 [2024-11-10 09:42:09,105 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 90 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:42:09,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 616 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:42:09,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 973 states. [2024-11-10 09:42:09,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 973 to 925. [2024-11-10 09:42:09,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 799 states have (on average 1.1113892365456821) internal successors, (888), 805 states have internal predecessors, (888), 82 states have call successors, (82), 43 states have call predecessors, (82), 43 states have return successors, (82), 76 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-10 09:42:09,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1052 transitions. [2024-11-10 09:42:09,276 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1052 transitions. Word has length 202 [2024-11-10 09:42:09,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:09,277 INFO L471 AbstractCegarLoop]: Abstraction has 925 states and 1052 transitions. [2024-11-10 09:42:09,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 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) [2024-11-10 09:42:09,277 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1052 transitions. [2024-11-10 09:42:09,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-10 09:42:09,279 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:09,279 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:42:09,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-11-10 09:42:09,279 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:09,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:09,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1877744458, now seen corresponding path program 1 times [2024-11-10 09:42:09,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:09,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905939906] [2024-11-10 09:42:09,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:09,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:09,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:09,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:09,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:09,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:09,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:09,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:09,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:09,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:09,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:09,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:09,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:09,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:09,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:09,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:09,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:09,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:09,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:09,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:09,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:09,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:09,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:09,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:09,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:09,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:09,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:09,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:09,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:09,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:09,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:09,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:09,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:09,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:09,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:42:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:09,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:42:09,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:09,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:42:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:09,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:42:09,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:09,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905939906] [2024-11-10 09:42:09,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905939906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:09,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:09,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:42:09,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494583150] [2024-11-10 09:42:09,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:09,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:42:09,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:09,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:42:09,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:42:09,430 INFO L87 Difference]: Start difference. First operand 925 states and 1052 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 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) [2024-11-10 09:42:09,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:09,693 INFO L93 Difference]: Finished difference Result 1787 states and 2033 transitions. [2024-11-10 09:42:09,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:42:09,693 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 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 202 [2024-11-10 09:42:09,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:09,697 INFO L225 Difference]: With dead ends: 1787 [2024-11-10 09:42:09,697 INFO L226 Difference]: Without dead ends: 933 [2024-11-10 09:42:09,699 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 [2024-11-10 09:42:09,699 INFO L432 NwaCegarLoop]: 273 mSDtfsCounter, 89 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 926 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:42:09,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 926 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:42:09,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2024-11-10 09:42:09,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 771. [2024-11-10 09:42:09,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 771 states, 691 states have (on average 1.1114327062228655) internal successors, (768), 694 states have internal predecessors, (768), 52 states have call successors, (52), 27 states have call predecessors, (52), 27 states have return successors, (52), 49 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-10 09:42:09,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 872 transitions. [2024-11-10 09:42:09,814 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 872 transitions. Word has length 202 [2024-11-10 09:42:09,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:09,816 INFO L471 AbstractCegarLoop]: Abstraction has 771 states and 872 transitions. [2024-11-10 09:42:09,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 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) [2024-11-10 09:42:09,817 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 872 transitions. [2024-11-10 09:42:09,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-10 09:42:09,818 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:09,818 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:42:09,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-11-10 09:42:09,818 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:09,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:09,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1681230953, now seen corresponding path program 1 times [2024-11-10 09:42:09,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:09,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811236785] [2024-11-10 09:42:09,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:09,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:10,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:10,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:10,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:10,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:10,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:10,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:10,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:10,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:10,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:10,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:10,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:10,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:42:10,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:42:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:42:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:42:10,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:10,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811236785] [2024-11-10 09:42:10,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811236785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:10,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:10,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 09:42:10,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577752209] [2024-11-10 09:42:10,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:10,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 09:42:10,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:10,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 09:42:10,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-10 09:42:10,286 INFO L87 Difference]: Start difference. First operand 771 states and 872 transitions. Second operand has 9 states, 9 states have (on average 10.0) internal successors, (90), 9 states have internal predecessors, (90), 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) [2024-11-10 09:42:10,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:10,580 INFO L93 Difference]: Finished difference Result 1727 states and 1961 transitions. [2024-11-10 09:42:10,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 09:42:10,580 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 9 states have internal predecessors, (90), 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 202 [2024-11-10 09:42:10,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:10,584 INFO L225 Difference]: With dead ends: 1727 [2024-11-10 09:42:10,584 INFO L226 Difference]: Without dead ends: 1027 [2024-11-10 09:42:10,585 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-10 09:42:10,585 INFO L432 NwaCegarLoop]: 315 mSDtfsCounter, 131 mSDsluCounter, 1989 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 2304 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:42:10,585 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 2304 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:42:10,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2024-11-10 09:42:10,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 759. [2024-11-10 09:42:10,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 759 states, 679 states have (on average 1.1089837997054492) internal successors, (753), 682 states have internal predecessors, (753), 52 states have call successors, (52), 27 states have call predecessors, (52), 27 states have return successors, (52), 49 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-10 09:42:10,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 857 transitions. [2024-11-10 09:42:10,713 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 857 transitions. Word has length 202 [2024-11-10 09:42:10,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:10,713 INFO L471 AbstractCegarLoop]: Abstraction has 759 states and 857 transitions. [2024-11-10 09:42:10,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 9 states have internal predecessors, (90), 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) [2024-11-10 09:42:10,713 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 857 transitions. [2024-11-10 09:42:10,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-10 09:42:10,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:10,714 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:42:10,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-11-10 09:42:10,714 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:10,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:10,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1733370639, now seen corresponding path program 1 times [2024-11-10 09:42:10,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:10,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053271591] [2024-11-10 09:42:10,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:10,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:11,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:11,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:42:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:42:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:42:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:42:11,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:11,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053271591] [2024-11-10 09:42:11,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053271591] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:11,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:11,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 09:42:11,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329292217] [2024-11-10 09:42:11,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:11,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 09:42:11,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:11,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 09:42:11,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-10 09:42:11,206 INFO L87 Difference]: Start difference. First operand 759 states and 857 transitions. Second operand has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 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) [2024-11-10 09:42:11,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:11,477 INFO L93 Difference]: Finished difference Result 1002 states and 1119 transitions. [2024-11-10 09:42:11,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 09:42:11,477 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 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 204 [2024-11-10 09:42:11,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:11,481 INFO L225 Difference]: With dead ends: 1002 [2024-11-10 09:42:11,481 INFO L226 Difference]: Without dead ends: 999 [2024-11-10 09:42:11,482 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-10 09:42:11,482 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 175 mSDsluCounter, 1007 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 1171 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:42:11,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 1171 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:42:11,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2024-11-10 09:42:11,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 942. [2024-11-10 09:42:11,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 942 states, 862 states have (on average 1.0962877030162412) internal successors, (945), 865 states have internal predecessors, (945), 52 states have call successors, (52), 27 states have call predecessors, (52), 27 states have return successors, (52), 49 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-10 09:42:11,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 942 states and 1049 transitions. [2024-11-10 09:42:11,588 INFO L78 Accepts]: Start accepts. Automaton has 942 states and 1049 transitions. Word has length 204 [2024-11-10 09:42:11,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:11,588 INFO L471 AbstractCegarLoop]: Abstraction has 942 states and 1049 transitions. [2024-11-10 09:42:11,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 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) [2024-11-10 09:42:11,589 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1049 transitions. [2024-11-10 09:42:11,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-10 09:42:11,590 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:11,590 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:42:11,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-11-10 09:42:11,590 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:11,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:11,591 INFO L85 PathProgramCache]: Analyzing trace with hash -971447800, now seen corresponding path program 1 times [2024-11-10 09:42:11,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:11,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952363189] [2024-11-10 09:42:11,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:11,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:11,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:11,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:12,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:12,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:12,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:12,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:12,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:12,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:12,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:12,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:12,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:12,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:12,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:12,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:12,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:12,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:12,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:12,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:12,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:12,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:12,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:12,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:12,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:42:12,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:12,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:42:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:12,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:42:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:12,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 27 proven. 39 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-10 09:42:12,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:12,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952363189] [2024-11-10 09:42:12,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952363189] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 09:42:12,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532529087] [2024-11-10 09:42:12,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:12,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 09:42:12,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 09:42:12,055 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 09:42:12,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 09:42:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:12,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 774 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-10 09:42:12,369 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 09:42:12,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-10 09:42:12,656 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 25 treesize of output 17 [2024-11-10 09:42:12,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-10 09:42:12,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-10 09:42:12,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 13 proven. 543 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2024-11-10 09:42:12,686 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 09:42:12,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2024-11-10 09:42:12,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 27 proven. 39 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-10 09:42:12,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532529087] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 09:42:12,971 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 09:42:12,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 14 [2024-11-10 09:42:12,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595834917] [2024-11-10 09:42:12,971 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 09:42:12,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 09:42:12,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:12,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 09:42:12,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-10 09:42:12,973 INFO L87 Difference]: Start difference. First operand 942 states and 1049 transitions. Second operand has 14 states, 12 states have (on average 9.166666666666666) internal successors, (110), 14 states have internal predecessors, (110), 6 states have call successors, (47), 3 states have call predecessors, (47), 5 states have return successors, (47), 4 states have call predecessors, (47), 6 states have call successors, (47) [2024-11-10 09:42:13,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:13,785 INFO L93 Difference]: Finished difference Result 2427 states and 2715 transitions. [2024-11-10 09:42:13,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-10 09:42:13,786 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 9.166666666666666) internal successors, (110), 14 states have internal predecessors, (110), 6 states have call successors, (47), 3 states have call predecessors, (47), 5 states have return successors, (47), 4 states have call predecessors, (47), 6 states have call successors, (47) Word has length 206 [2024-11-10 09:42:13,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:13,789 INFO L225 Difference]: With dead ends: 2427 [2024-11-10 09:42:13,789 INFO L226 Difference]: Without dead ends: 1556 [2024-11-10 09:42:13,790 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 487 GetRequests, 449 SyntacticMatches, 6 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=288, Invalid=834, Unknown=0, NotChecked=0, Total=1122 [2024-11-10 09:42:13,791 INFO L432 NwaCegarLoop]: 250 mSDtfsCounter, 398 mSDsluCounter, 978 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 1228 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 09:42:13,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 1228 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 09:42:13,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2024-11-10 09:42:13,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 942. [2024-11-10 09:42:13,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 942 states, 862 states have (on average 1.0962877030162412) internal successors, (945), 865 states have internal predecessors, (945), 52 states have call successors, (52), 27 states have call predecessors, (52), 27 states have return successors, (52), 49 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-10 09:42:13,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 942 states and 1049 transitions. [2024-11-10 09:42:13,895 INFO L78 Accepts]: Start accepts. Automaton has 942 states and 1049 transitions. Word has length 206 [2024-11-10 09:42:13,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:13,895 INFO L471 AbstractCegarLoop]: Abstraction has 942 states and 1049 transitions. [2024-11-10 09:42:13,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 9.166666666666666) internal successors, (110), 14 states have internal predecessors, (110), 6 states have call successors, (47), 3 states have call predecessors, (47), 5 states have return successors, (47), 4 states have call predecessors, (47), 6 states have call successors, (47) [2024-11-10 09:42:13,895 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1049 transitions. [2024-11-10 09:42:13,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-10 09:42:13,896 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:13,897 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:42:13,911 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 09:42:14,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 09:42:14,098 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:14,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:14,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1420144439, now seen corresponding path program 1 times [2024-11-10 09:42:14,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:14,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291979419] [2024-11-10 09:42:14,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:14,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:14,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:14,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:14,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:14,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:14,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:14,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:14,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:14,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:14,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:14,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:14,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:14,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:14,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:14,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:14,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:14,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:14,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:14,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:14,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:14,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:14,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:14,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:14,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:14,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:14,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:14,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:14,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:14,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:14,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:42:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:14,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:42:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:14,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:42:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:14,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:42:14,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:14,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291979419] [2024-11-10 09:42:14,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291979419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:14,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:14,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:42:14,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319598779] [2024-11-10 09:42:14,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:14,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:42:14,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:14,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:42:14,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:42:14,284 INFO L87 Difference]: Start difference. First operand 942 states and 1049 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 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) [2024-11-10 09:42:14,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:14,426 INFO L93 Difference]: Finished difference Result 1606 states and 1791 transitions. [2024-11-10 09:42:14,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:42:14,426 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 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 206 [2024-11-10 09:42:14,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:14,429 INFO L225 Difference]: With dead ends: 1606 [2024-11-10 09:42:14,429 INFO L226 Difference]: Without dead ends: 735 [2024-11-10 09:42:14,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:42:14,430 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 145 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:42:14,431 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 454 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:42:14,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2024-11-10 09:42:14,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 732. [2024-11-10 09:42:14,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 732 states, 652 states have (on average 1.0812883435582823) internal successors, (705), 655 states have internal predecessors, (705), 52 states have call successors, (52), 27 states have call predecessors, (52), 27 states have return successors, (52), 49 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-10 09:42:14,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 809 transitions. [2024-11-10 09:42:14,532 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 809 transitions. Word has length 206 [2024-11-10 09:42:14,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:14,532 INFO L471 AbstractCegarLoop]: Abstraction has 732 states and 809 transitions. [2024-11-10 09:42:14,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 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) [2024-11-10 09:42:14,533 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 809 transitions. [2024-11-10 09:42:14,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-10 09:42:14,534 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:14,534 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:42:14,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-11-10 09:42:14,534 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:14,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:14,534 INFO L85 PathProgramCache]: Analyzing trace with hash -2080752979, now seen corresponding path program 1 times [2024-11-10 09:42:14,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:14,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837468587] [2024-11-10 09:42:14,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:14,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:15,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:15,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:15,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:15,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:15,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:42:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:42:15,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:42:15,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:42:15,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:15,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837468587] [2024-11-10 09:42:15,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837468587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:15,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:15,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 09:42:15,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318251293] [2024-11-10 09:42:15,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:15,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 09:42:15,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:15,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 09:42:15,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-10 09:42:15,125 INFO L87 Difference]: Start difference. First operand 732 states and 809 transitions. Second operand has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 12 states have internal predecessors, (94), 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) [2024-11-10 09:42:15,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:15,551 INFO L93 Difference]: Finished difference Result 744 states and 820 transitions. [2024-11-10 09:42:15,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 09:42:15,552 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 12 states have internal predecessors, (94), 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 206 [2024-11-10 09:42:15,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:15,554 INFO L225 Difference]: With dead ends: 744 [2024-11-10 09:42:15,554 INFO L226 Difference]: Without dead ends: 741 [2024-11-10 09:42:15,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2024-11-10 09:42:15,555 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 227 mSDsluCounter, 1248 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 1421 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 09:42:15,555 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 1421 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 09:42:15,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2024-11-10 09:42:15,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 733. [2024-11-10 09:42:15,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 733 states, 653 states have (on average 1.0811638591117918) internal successors, (706), 656 states have internal predecessors, (706), 52 states have call successors, (52), 27 states have call predecessors, (52), 27 states have return successors, (52), 49 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-10 09:42:15,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 810 transitions. [2024-11-10 09:42:15,657 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 810 transitions. Word has length 206 [2024-11-10 09:42:15,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:15,657 INFO L471 AbstractCegarLoop]: Abstraction has 733 states and 810 transitions. [2024-11-10 09:42:15,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 12 states have internal predecessors, (94), 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) [2024-11-10 09:42:15,657 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 810 transitions. [2024-11-10 09:42:15,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-10 09:42:15,658 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:15,658 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:42:15,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-11-10 09:42:15,659 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:15,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:15,659 INFO L85 PathProgramCache]: Analyzing trace with hash -337942644, now seen corresponding path program 1 times [2024-11-10 09:42:15,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:15,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898170693] [2024-11-10 09:42:15,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:15,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:15,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:15,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:15,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:15,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:15,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:15,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:15,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:15,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:15,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:42:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:42:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:42:15,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 09:42:15,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:15,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898170693] [2024-11-10 09:42:15,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898170693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:15,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:15,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:42:15,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392911445] [2024-11-10 09:42:15,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:15,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:42:15,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:15,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:42:15,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:42:15,884 INFO L87 Difference]: Start difference. First operand 733 states and 810 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 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) [2024-11-10 09:42:16,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:16,021 INFO L93 Difference]: Finished difference Result 1393 states and 1539 transitions. [2024-11-10 09:42:16,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:42:16,022 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 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 206 [2024-11-10 09:42:16,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:16,025 INFO L225 Difference]: With dead ends: 1393 [2024-11-10 09:42:16,025 INFO L226 Difference]: Without dead ends: 731 [2024-11-10 09:42:16,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:42:16,026 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 41 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:42:16,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 601 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:42:16,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2024-11-10 09:42:16,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 728. [2024-11-10 09:42:16,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 728 states, 648 states have (on average 1.0771604938271604) internal successors, (698), 651 states have internal predecessors, (698), 52 states have call successors, (52), 27 states have call predecessors, (52), 27 states have return successors, (52), 49 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-10 09:42:16,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 802 transitions. [2024-11-10 09:42:16,128 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 802 transitions. Word has length 206 [2024-11-10 09:42:16,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:16,128 INFO L471 AbstractCegarLoop]: Abstraction has 728 states and 802 transitions. [2024-11-10 09:42:16,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 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) [2024-11-10 09:42:16,129 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 802 transitions. [2024-11-10 09:42:16,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-10 09:42:16,130 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:16,130 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:42:16,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2024-11-10 09:42:16,130 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:16,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:16,130 INFO L85 PathProgramCache]: Analyzing trace with hash 877870765, now seen corresponding path program 1 times [2024-11-10 09:42:16,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:16,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406380093] [2024-11-10 09:42:16,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:16,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:16,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:16,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:16,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:16,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:16,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:16,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:16,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:16,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:16,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:16,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:16,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:16,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:42:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:42:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:42:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,503 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 21 proven. 45 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-10 09:42:16,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:16,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406380093] [2024-11-10 09:42:16,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406380093] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 09:42:16,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1416596421] [2024-11-10 09:42:16,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:16,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 09:42:16,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 09:42:16,506 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 09:42:16,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 09:42:16,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-10 09:42:16,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 09:42:16,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-10 09:42:17,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2024-11-10 09:42:17,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 15 proven. 493 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2024-11-10 09:42:17,110 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 09:42:17,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2024-11-10 09:42:17,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 21 proven. 45 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-10 09:42:17,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1416596421] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 09:42:17,367 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 09:42:17,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 11] total 15 [2024-11-10 09:42:17,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459884835] [2024-11-10 09:42:17,367 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 09:42:17,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 09:42:17,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:17,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 09:42:17,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-10 09:42:17,369 INFO L87 Difference]: Start difference. First operand 728 states and 802 transitions. Second operand has 15 states, 13 states have (on average 8.461538461538462) internal successors, (110), 15 states have internal predecessors, (110), 6 states have call successors, (47), 3 states have call predecessors, (47), 5 states have return successors, (47), 4 states have call predecessors, (47), 6 states have call successors, (47) [2024-11-10 09:42:17,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:17,754 INFO L93 Difference]: Finished difference Result 1267 states and 1395 transitions. [2024-11-10 09:42:17,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 09:42:17,755 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 8.461538461538462) internal successors, (110), 15 states have internal predecessors, (110), 6 states have call successors, (47), 3 states have call predecessors, (47), 5 states have return successors, (47), 4 states have call predecessors, (47), 6 states have call successors, (47) Word has length 206 [2024-11-10 09:42:17,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:17,757 INFO L225 Difference]: With dead ends: 1267 [2024-11-10 09:42:17,757 INFO L226 Difference]: Without dead ends: 610 [2024-11-10 09:42:17,758 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 478 GetRequests, 452 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=167, Invalid=535, Unknown=0, NotChecked=0, Total=702 [2024-11-10 09:42:17,758 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 296 mSDsluCounter, 712 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 09:42:17,759 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 845 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 09:42:17,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2024-11-10 09:42:17,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 541. [2024-11-10 09:42:17,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 481 states have (on average 1.079002079002079) internal successors, (519), 482 states have internal predecessors, (519), 38 states have call successors, (38), 21 states have call predecessors, (38), 21 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-10 09:42:17,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 595 transitions. [2024-11-10 09:42:17,838 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 595 transitions. Word has length 206 [2024-11-10 09:42:17,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:17,838 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 595 transitions. [2024-11-10 09:42:17,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 8.461538461538462) internal successors, (110), 15 states have internal predecessors, (110), 6 states have call successors, (47), 3 states have call predecessors, (47), 5 states have return successors, (47), 4 states have call predecessors, (47), 6 states have call successors, (47) [2024-11-10 09:42:17,838 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 595 transitions. [2024-11-10 09:42:17,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-10 09:42:17,839 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:17,839 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:42:17,854 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 09:42:18,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 09:42:18,044 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:18,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:18,044 INFO L85 PathProgramCache]: Analyzing trace with hash 924107977, now seen corresponding path program 1 times [2024-11-10 09:42:18,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:18,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495774290] [2024-11-10 09:42:18,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:18,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:18,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:18,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:18,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:18,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:18,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:18,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:18,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:18,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:18,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:42:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 09:42:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 09:42:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 15 proven. 51 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-10 09:42:18,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:18,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495774290] [2024-11-10 09:42:18,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495774290] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 09:42:18,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211345793] [2024-11-10 09:42:18,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:18,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 09:42:18,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 09:42:18,324 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 09:42:18,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 09:42:18,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-10 09:42:18,649 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 09:42:18,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-10 09:42:18,914 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 25 treesize of output 17 [2024-11-10 09:42:18,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-10 09:42:18,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-10 09:42:18,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 17 proven. 411 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2024-11-10 09:42:18,943 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 09:42:19,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2024-11-10 09:42:19,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 15 proven. 51 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-10 09:42:19,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211345793] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 09:42:19,248 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 09:42:19,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 10] total 15 [2024-11-10 09:42:19,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117176553] [2024-11-10 09:42:19,248 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 09:42:19,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 09:42:19,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:19,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 09:42:19,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-10 09:42:19,249 INFO L87 Difference]: Start difference. First operand 541 states and 595 transitions. Second operand has 15 states, 13 states have (on average 10.153846153846153) internal successors, (132), 15 states have internal predecessors, (132), 6 states have call successors, (47), 3 states have call predecessors, (47), 5 states have return successors, (47), 4 states have call predecessors, (47), 6 states have call successors, (47) [2024-11-10 09:42:19,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:19,625 INFO L93 Difference]: Finished difference Result 798 states and 875 transitions. [2024-11-10 09:42:19,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 09:42:19,625 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 10.153846153846153) internal successors, (132), 15 states have internal predecessors, (132), 6 states have call successors, (47), 3 states have call predecessors, (47), 5 states have return successors, (47), 4 states have call predecessors, (47), 6 states have call successors, (47) Word has length 206 [2024-11-10 09:42:19,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:19,627 INFO L225 Difference]: With dead ends: 798 [2024-11-10 09:42:19,627 INFO L226 Difference]: Without dead ends: 0 [2024-11-10 09:42:19,628 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 474 GetRequests, 450 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=145, Invalid=455, Unknown=0, NotChecked=0, Total=600 [2024-11-10 09:42:19,628 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 267 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 09:42:19,628 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 710 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 09:42:19,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-10 09:42:19,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-10 09:42:19,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 09:42:19,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-10 09:42:19,630 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 206 [2024-11-10 09:42:19,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:19,630 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 09:42:19,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 10.153846153846153) internal successors, (132), 15 states have internal predecessors, (132), 6 states have call successors, (47), 3 states have call predecessors, (47), 5 states have return successors, (47), 4 states have call predecessors, (47), 6 states have call successors, (47) [2024-11-10 09:42:19,630 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-10 09:42:19,630 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-10 09:42:19,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-10 09:42:19,650 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-10 09:42:19,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2024-11-10 09:42:19,837 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:42:19,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.