./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-85.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd --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 0.3.0-dev-826ab2b [2024-11-13 14:42:14,738 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:42:14,878 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 14:42:14,892 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:42:14,892 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:42:14,940 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:42:14,942 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:42:14,943 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:42:14,943 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:42:14,944 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:42:14,944 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:42:14,945 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:42:14,946 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:42:14,946 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:42:14,947 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:42:14,947 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:42:14,947 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:42:14,948 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:42:14,948 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:42:14,948 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:42:14,948 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:42:14,948 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:42:14,949 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:42:14,949 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:42:14,949 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:42:14,949 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:42:14,949 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:42:14,949 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:42:14,950 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:42:14,950 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:42:14,950 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:42:14,951 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:42:14,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:42:14,951 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:42:14,951 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:42:14,951 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:42:14,951 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:42:14,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:42:14,953 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:42:14,953 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:42:14,953 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:42:14,953 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:42:14,953 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd 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 [2024-11-13 14:42:15,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:42:15,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:42:15,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:42:15,371 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:42:15,372 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:42:15,373 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-85.i Unable to find full path for "g++" [2024-11-13 14:42:17,808 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:42:18,241 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:42:18,242 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-85.i [2024-11-13 14:42:18,282 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/data/8a72c85fc/bbcd9ae436374d58ae1e654e7a6334a2/FLAG2e47fc51e [2024-11-13 14:42:18,304 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/data/8a72c85fc/bbcd9ae436374d58ae1e654e7a6334a2 [2024-11-13 14:42:18,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:42:18,309 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:42:18,311 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:42:18,311 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:42:18,317 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:42:18,319 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:42:18" (1/1) ... [2024-11-13 14:42:18,320 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a01574d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:18, skipping insertion in model container [2024-11-13 14:42:18,320 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:42:18" (1/1) ... [2024-11-13 14:42:18,345 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:42:18,553 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-85.i[916,929] [2024-11-13 14:42:18,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:42:18,674 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:42:18,696 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-85.i[916,929] [2024-11-13 14:42:18,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:42:18,768 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:42:18,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:18 WrapperNode [2024-11-13 14:42:18,769 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:42:18,770 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:42:18,770 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:42:18,771 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:42:18,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:18" (1/1) ... [2024-11-13 14:42:18,799 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:18" (1/1) ... [2024-11-13 14:42:18,875 INFO L138 Inliner]: procedures = 26, calls = 190, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 560 [2024-11-13 14:42:18,876 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:42:18,876 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:42:18,877 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:42:18,877 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:42:18,892 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:18" (1/1) ... [2024-11-13 14:42:18,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:18" (1/1) ... [2024-11-13 14:42:18,903 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:18" (1/1) ... [2024-11-13 14:42:18,959 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]. [2024-11-13 14:42:18,964 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:18" (1/1) ... [2024-11-13 14:42:18,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:18" (1/1) ... [2024-11-13 14:42:18,983 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:18" (1/1) ... [2024-11-13 14:42:18,989 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:18" (1/1) ... [2024-11-13 14:42:18,993 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:18" (1/1) ... [2024-11-13 14:42:18,996 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:18" (1/1) ... [2024-11-13 14:42:19,003 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:42:19,004 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:42:19,004 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:42:19,005 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:42:19,006 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:18" (1/1) ... [2024-11-13 14:42:19,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:42:19,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:42:19,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:42:19,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:42:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:42:19,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 14:42:19,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 14:42:19,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 14:42:19,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-13 14:42:19,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-13 14:42:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-13 14:42:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-13 14:42:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-13 14:42:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-13 14:42:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-13 14:42:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-13 14:42:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-13 14:42:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-13 14:42:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-13 14:42:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-13 14:42:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-13 14:42:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-13 14:42:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-13 14:42:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 14:42:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 14:42:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 14:42:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-13 14:42:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-13 14:42:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-13 14:42:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-13 14:42:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-13 14:42:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-13 14:42:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-13 14:42:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-13 14:42:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-13 14:42:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-13 14:42:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-13 14:42:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-13 14:42:19,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-13 14:42:19,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-13 14:42:19,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-13 14:42:19,100 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 14:42:19,100 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 14:42:19,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:42:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 14:42:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 14:42:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 14:42:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-13 14:42:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-13 14:42:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-13 14:42:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-13 14:42:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-13 14:42:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-13 14:42:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-13 14:42:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-13 14:42:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-13 14:42:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-13 14:42:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-13 14:42:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-13 14:42:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-13 14:42:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-13 14:42:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:42:19,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:42:19,446 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:42:19,449 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:42:20,362 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-11-13 14:42:20,362 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:42:20,385 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:42:20,386 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 14:42:20,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:42:20 BoogieIcfgContainer [2024-11-13 14:42:20,386 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:42:20,392 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:42:20,392 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:42:20,399 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:42:20,399 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:42:18" (1/3) ... [2024-11-13 14:42:20,400 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea314f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:42:20, skipping insertion in model container [2024-11-13 14:42:20,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:18" (2/3) ... [2024-11-13 14:42:20,401 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea314f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:42:20, skipping insertion in model container [2024-11-13 14:42:20,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:42:20" (3/3) ... [2024-11-13 14:42:20,403 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-85.i [2024-11-13 14:42:20,425 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:42:20,427 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-85.i that has 2 procedures, 131 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 14:42:20,542 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:42:20,563 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;@433a683, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:42:20,564 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:42:20,571 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 105 states have (on average 1.380952380952381) internal successors, (145), 106 states have internal predecessors, (145), 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) [2024-11-13 14:42:20,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-13 14:42:20,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:20,595 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] [2024-11-13 14:42:20,596 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:42:20,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:20,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1713187353, now seen corresponding path program 1 times [2024-11-13 14:42:20,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:20,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185178159] [2024-11-13 14:42:20,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:20,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:21,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:42:21,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:21,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:42:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:21,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:42:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:21,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:42:21,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:21,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:42:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:21,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:42:21,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:21,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:42:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:21,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:42:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:21,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:42:21,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:21,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:42:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:21,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:42:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:21,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:42:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:21,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:42:21,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:21,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:42:21,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:21,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:42:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:21,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:42:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:21,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:42:21,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:21,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:42:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:21,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:42:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:21,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:42:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:21,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:42:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:21,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:42:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:21,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:42:21,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:21,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:42:21,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:21,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185178159] [2024-11-13 14:42:21,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185178159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:21,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:21,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:42:21,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419038699] [2024-11-13 14:42:21,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:21,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 14:42:21,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:21,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 14:42:21,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:42:21,275 INFO L87 Difference]: Start difference. First operand has 131 states, 105 states have (on average 1.380952380952381) internal successors, (145), 106 states have internal predecessors, (145), 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 33.5) internal successors, (67), 2 states have internal predecessors, (67), 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) [2024-11-13 14:42:21,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:21,349 INFO L93 Difference]: Finished difference Result 255 states and 399 transitions. [2024-11-13 14:42:21,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:42:21,353 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 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 179 [2024-11-13 14:42:21,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:21,368 INFO L225 Difference]: With dead ends: 255 [2024-11-13 14:42:21,369 INFO L226 Difference]: Without dead ends: 127 [2024-11-13 14:42:21,375 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 [2024-11-13 14:42:21,382 INFO L432 NwaCegarLoop]: 184 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, 184 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 [2024-11-13 14:42:21,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:42:21,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-13 14:42:21,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2024-11-13 14:42:21,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 102 states have (on average 1.3529411764705883) internal successors, (138), 102 states have internal predecessors, (138), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-13 14:42:21,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 184 transitions. [2024-11-13 14:42:21,465 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 184 transitions. Word has length 179 [2024-11-13 14:42:21,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:21,465 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 184 transitions. [2024-11-13 14:42:21,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 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) [2024-11-13 14:42:21,466 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 184 transitions. [2024-11-13 14:42:21,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-13 14:42:21,471 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:21,471 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] [2024-11-13 14:42:21,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:42:21,472 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:42:21,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:21,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1573678727, now seen corresponding path program 1 times [2024-11-13 14:42:21,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:21,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901516801] [2024-11-13 14:42:21,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:21,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:24,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:42:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:24,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:42:24,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:24,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:42:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:24,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:42:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:24,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:42:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:24,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:42:24,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:24,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:42:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:24,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:42:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:24,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:42:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:24,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:42:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:24,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:42:24,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:24,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:42:24,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:24,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:42:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:24,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:42:24,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:24,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:42:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:24,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:42:24,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:24,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:42:24,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:24,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:42:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:24,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:42:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:24,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:42:24,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:24,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:42:24,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:24,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:42:24,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:24,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:42:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:24,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:42:24,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:24,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901516801] [2024-11-13 14:42:24,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901516801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:24,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:24,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 14:42:24,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910695154] [2024-11-13 14:42:24,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:24,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:42:24,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:24,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:42:24,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:42:24,208 INFO L87 Difference]: Start difference. First operand 127 states and 184 transitions. Second operand has 9 states, 8 states have (on average 8.375) internal successors, (67), 9 states have internal predecessors, (67), 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) [2024-11-13 14:42:25,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:25,428 INFO L93 Difference]: Finished difference Result 470 states and 679 transitions. [2024-11-13 14:42:25,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 14:42:25,430 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.375) internal successors, (67), 9 states have internal predecessors, (67), 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 179 [2024-11-13 14:42:25,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:25,437 INFO L225 Difference]: With dead ends: 470 [2024-11-13 14:42:25,437 INFO L226 Difference]: Without dead ends: 346 [2024-11-13 14:42:25,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2024-11-13 14:42:25,439 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 1121 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1121 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:25,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1121 Valid, 893 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 14:42:25,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-13 14:42:25,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 199. [2024-11-13 14:42:25,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 171 states have (on average 1.391812865497076) internal successors, (238), 172 states have internal predecessors, (238), 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) [2024-11-13 14:42:25,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 288 transitions. [2024-11-13 14:42:25,501 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 288 transitions. Word has length 179 [2024-11-13 14:42:25,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:25,502 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 288 transitions. [2024-11-13 14:42:25,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.375) internal successors, (67), 9 states have internal predecessors, (67), 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) [2024-11-13 14:42:25,502 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 288 transitions. [2024-11-13 14:42:25,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-13 14:42:25,508 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:25,509 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:42:25,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:42:25,509 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:42:25,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:25,510 INFO L85 PathProgramCache]: Analyzing trace with hash -669647513, now seen corresponding path program 1 times [2024-11-13 14:42:25,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:25,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307695520] [2024-11-13 14:42:25,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:25,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:25,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:26,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:42:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:26,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:42:26,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:26,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:42:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:26,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:42:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:26,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:42:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:26,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:42:26,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:26,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:42:26,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:26,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:42:26,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:26,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:42:26,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:26,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:42:26,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:26,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:42:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:26,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:42:26,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:26,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:42:26,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:26,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:42:26,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:26,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:42:26,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:26,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:42:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:26,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:42:26,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:26,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:42:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:26,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:42:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:26,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:42:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:26,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:42:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:26,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:42:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:26,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:42:26,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:26,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:42:26,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:26,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307695520] [2024-11-13 14:42:26,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307695520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:26,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:26,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:42:26,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859489566] [2024-11-13 14:42:26,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:26,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:42:26,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:26,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:42:26,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:42:26,274 INFO L87 Difference]: Start difference. First operand 199 states and 288 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 14:42:26,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:26,655 INFO L93 Difference]: Finished difference Result 575 states and 834 transitions. [2024-11-13 14:42:26,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:42:26,657 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-13 14:42:26,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:26,662 INFO L225 Difference]: With dead ends: 575 [2024-11-13 14:42:26,662 INFO L226 Difference]: Without dead ends: 379 [2024-11-13 14:42:26,663 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 [2024-11-13 14:42:26,664 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 169 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:26,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 638 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 14:42:26,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-11-13 14:42:26,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 203. [2024-11-13 14:42:26,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 175 states have (on average 1.3828571428571428) internal successors, (242), 176 states have internal predecessors, (242), 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) [2024-11-13 14:42:26,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 292 transitions. [2024-11-13 14:42:26,728 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 292 transitions. Word has length 180 [2024-11-13 14:42:26,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:26,729 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 292 transitions. [2024-11-13 14:42:26,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 14:42:26,729 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 292 transitions. [2024-11-13 14:42:26,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-13 14:42:26,733 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:26,733 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] [2024-11-13 14:42:26,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 14:42:26,734 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:42:26,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:26,734 INFO L85 PathProgramCache]: Analyzing trace with hash -347756994, now seen corresponding path program 1 times [2024-11-13 14:42:26,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:26,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084377957] [2024-11-13 14:42:26,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:26,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:26,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:27,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:42:27,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:27,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:42:27,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:27,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:42:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:27,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:42:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:27,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:42:27,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:27,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:42:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:27,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:42:27,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:27,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:42:27,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:27,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:42:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:27,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:42:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:27,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:42:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:27,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:42:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:27,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:42:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:27,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:42:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:27,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:42:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:27,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:42:27,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:27,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:42:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:27,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:42:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:27,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:42:27,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:27,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:42:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:27,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:42:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:27,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:42:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:27,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:42:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:27,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:42:27,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:27,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084377957] [2024-11-13 14:42:27,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084377957] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:27,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:27,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:42:27,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306610713] [2024-11-13 14:42:27,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:27,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:42:27,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:27,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:42:27,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:42:27,894 INFO L87 Difference]: Start difference. First operand 203 states and 292 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 14:42:28,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:28,729 INFO L93 Difference]: Finished difference Result 782 states and 1124 transitions. [2024-11-13 14:42:28,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:42:28,730 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-13 14:42:28,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:28,735 INFO L225 Difference]: With dead ends: 782 [2024-11-13 14:42:28,735 INFO L226 Difference]: Without dead ends: 582 [2024-11-13 14:42:28,736 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 [2024-11-13 14:42:28,738 INFO L432 NwaCegarLoop]: 268 mSDtfsCounter, 325 mSDsluCounter, 1068 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 1336 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:28,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 1336 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 14:42:28,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2024-11-13 14:42:28,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 249. [2024-11-13 14:42:28,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 221 states have (on average 1.3936651583710407) internal successors, (308), 222 states have internal predecessors, (308), 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) [2024-11-13 14:42:28,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 358 transitions. [2024-11-13 14:42:28,817 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 358 transitions. Word has length 180 [2024-11-13 14:42:28,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:28,819 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 358 transitions. [2024-11-13 14:42:28,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 14:42:28,820 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 358 transitions. [2024-11-13 14:42:28,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-13 14:42:28,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:28,827 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:42:28,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 14:42:28,827 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:42:28,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:28,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1368825348, now seen corresponding path program 1 times [2024-11-13 14:42:28,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:28,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061933357] [2024-11-13 14:42:28,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:28,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:30,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:42:30,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:30,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:42:30,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:30,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:42:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:30,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:42:30,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:30,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:42:30,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:30,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:42:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:30,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:42:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:30,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:42:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:30,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:42:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:30,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:42:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:30,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:42:30,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:30,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:42:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:30,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:42:30,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:30,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:42:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:30,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:42:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:30,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:42:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:30,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:42:30,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:30,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:42:30,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:30,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:42:30,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:30,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:42:30,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:30,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:42:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:30,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:42:30,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:30,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:42:30,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:30,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-13 14:42:30,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:30,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061933357] [2024-11-13 14:42:30,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061933357] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:42:30,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510710826] [2024-11-13 14:42:30,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:30,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:42:30,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:42:30,476 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:42:30,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 14:42:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:30,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 14:42:30,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:42:31,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2024-11-13 14:42:31,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:42:31,258 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:42:31,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1510710826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:31,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:42:31,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2024-11-13 14:42:31,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717886136] [2024-11-13 14:42:31,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:31,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:42:31,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:31,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:42:31,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2024-11-13 14:42:31,262 INFO L87 Difference]: Start difference. First operand 249 states and 358 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 14:42:31,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:31,653 INFO L93 Difference]: Finished difference Result 737 states and 1062 transitions. [2024-11-13 14:42:31,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:42:31,654 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-13 14:42:31,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:31,659 INFO L225 Difference]: With dead ends: 737 [2024-11-13 14:42:31,659 INFO L226 Difference]: Without dead ends: 491 [2024-11-13 14:42:31,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2024-11-13 14:42:31,662 INFO L432 NwaCegarLoop]: 339 mSDtfsCounter, 177 mSDsluCounter, 1835 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 2174 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:31,662 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 2174 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:42:31,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2024-11-13 14:42:31,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 263. [2024-11-13 14:42:31,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 235 states have (on average 1.3787234042553191) internal successors, (324), 236 states have internal predecessors, (324), 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) [2024-11-13 14:42:31,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 374 transitions. [2024-11-13 14:42:31,722 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 374 transitions. Word has length 180 [2024-11-13 14:42:31,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:31,723 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 374 transitions. [2024-11-13 14:42:31,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 14:42:31,723 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 374 transitions. [2024-11-13 14:42:31,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-13 14:42:31,728 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:31,728 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:42:31,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 14:42:31,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:42:31,932 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:42:31,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:31,933 INFO L85 PathProgramCache]: Analyzing trace with hash 469891456, now seen corresponding path program 1 times [2024-11-13 14:42:31,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:31,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316594652] [2024-11-13 14:42:31,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:31,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:32,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:32,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:42:32,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:32,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:42:32,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:32,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:42:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:32,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:42:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:32,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:42:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:32,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:42:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:32,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:42:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:32,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:42:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:32,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:42:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:32,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:42:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:32,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:42:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:32,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:42:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:32,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:42:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:32,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:42:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:32,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:42:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:32,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:42:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:32,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:42:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:32,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:42:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:32,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:42:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:32,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:42:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:32,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:42:32,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:32,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:42:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:32,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:42:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:32,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 9 proven. 57 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-13 14:42:32,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:32,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316594652] [2024-11-13 14:42:32,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316594652] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:42:32,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359533046] [2024-11-13 14:42:32,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:32,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:42:32,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:42:32,993 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:42:32,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 14:42:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:33,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 14:42:33,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:42:33,549 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 [2024-11-13 14:42:33,673 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 [2024-11-13 14:42:33,745 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 [2024-11-13 14:42:33,811 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 [2024-11-13 14:42:33,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:42:33,906 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:42:33,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1359533046] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:33,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:42:33,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 17 [2024-11-13 14:42:33,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306646316] [2024-11-13 14:42:33,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:33,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 14:42:33,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:33,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 14:42:33,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2024-11-13 14:42:33,909 INFO L87 Difference]: Start difference. First operand 263 states and 374 transitions. Second operand has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 14:42:34,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:34,996 INFO L93 Difference]: Finished difference Result 870 states and 1238 transitions. [2024-11-13 14:42:34,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:42:34,997 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-13 14:42:34,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:35,003 INFO L225 Difference]: With dead ends: 870 [2024-11-13 14:42:35,003 INFO L226 Difference]: Without dead ends: 610 [2024-11-13 14:42:35,005 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=67, Invalid=439, Unknown=0, NotChecked=0, Total=506 [2024-11-13 14:42:35,008 INFO L432 NwaCegarLoop]: 280 mSDtfsCounter, 414 mSDsluCounter, 1661 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 1941 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:35,008 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [414 Valid, 1941 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 14:42:35,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2024-11-13 14:42:35,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 271. [2024-11-13 14:42:35,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 243 states have (on average 1.374485596707819) internal successors, (334), 244 states have internal predecessors, (334), 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) [2024-11-13 14:42:35,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 384 transitions. [2024-11-13 14:42:35,087 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 384 transitions. Word has length 180 [2024-11-13 14:42:35,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:35,088 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 384 transitions. [2024-11-13 14:42:35,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 14:42:35,088 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 384 transitions. [2024-11-13 14:42:35,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-13 14:42:35,093 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:35,093 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:42:35,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 14:42:35,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-13 14:42:35,298 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:42:35,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:35,298 INFO L85 PathProgramCache]: Analyzing trace with hash -551176898, now seen corresponding path program 1 times [2024-11-13 14:42:35,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:35,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862988400] [2024-11-13 14:42:35,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:35,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:35,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:42:35,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:35,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:42:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:35,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:42:35,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:35,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:42:35,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:35,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:42:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:35,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:42:35,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:35,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:42:35,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:35,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:42:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:35,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:42:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:35,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:42:35,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:35,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:42:35,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:35,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:42:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:35,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:42:35,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:35,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:42:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:35,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:42:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:35,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:42:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:35,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:42:35,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:35,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:42:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:35,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:42:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:35,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:42:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:35,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:42:35,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:35,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:42:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:35,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:42:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:35,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:42:35,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:35,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862988400] [2024-11-13 14:42:35,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862988400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:35,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:35,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:42:35,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649795983] [2024-11-13 14:42:35,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:35,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:42:35,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:35,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:42:35,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:42:35,994 INFO L87 Difference]: Start difference. First operand 271 states and 384 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 14:42:36,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:36,768 INFO L93 Difference]: Finished difference Result 872 states and 1238 transitions. [2024-11-13 14:42:36,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:42:36,769 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-13 14:42:36,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:36,775 INFO L225 Difference]: With dead ends: 872 [2024-11-13 14:42:36,777 INFO L226 Difference]: Without dead ends: 604 [2024-11-13 14:42:36,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:42:36,783 INFO L432 NwaCegarLoop]: 407 mSDtfsCounter, 324 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 1879 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:36,783 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 1879 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 14:42:36,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2024-11-13 14:42:36,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 271. [2024-11-13 14:42:36,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 243 states have (on average 1.3662551440329218) internal successors, (332), 244 states have internal predecessors, (332), 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) [2024-11-13 14:42:36,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 382 transitions. [2024-11-13 14:42:36,847 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 382 transitions. Word has length 180 [2024-11-13 14:42:36,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:36,848 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 382 transitions. [2024-11-13 14:42:36,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 14:42:36,848 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 382 transitions. [2024-11-13 14:42:36,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-13 14:42:36,856 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:36,856 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:42:36,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 14:42:36,857 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:42:36,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:36,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1441888964, now seen corresponding path program 1 times [2024-11-13 14:42:36,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:36,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805912106] [2024-11-13 14:42:36,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:36,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:36,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:37,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:42:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:37,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:42:37,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:37,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:42:37,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:37,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:42:37,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:37,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:42:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:37,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:42:37,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:37,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:42:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:37,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:42:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:37,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:42:37,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:37,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:42:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:37,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:42:37,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:37,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:42:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:37,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:42:37,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:37,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:42:37,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:37,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:42:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:37,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:42:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:37,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:42:37,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:37,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:42:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:37,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:42:37,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:37,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:42:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:37,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:42:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:37,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:42:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:37,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:42:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:37,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:42:37,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:37,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805912106] [2024-11-13 14:42:37,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805912106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:37,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:37,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:42:37,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005101410] [2024-11-13 14:42:37,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:37,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:42:37,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:37,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:42:37,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:42:37,658 INFO L87 Difference]: Start difference. First operand 271 states and 382 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 14:42:37,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:37,895 INFO L93 Difference]: Finished difference Result 701 states and 992 transitions. [2024-11-13 14:42:37,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:42:37,896 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-13 14:42:37,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:37,899 INFO L225 Difference]: With dead ends: 701 [2024-11-13 14:42:37,900 INFO L226 Difference]: Without dead ends: 433 [2024-11-13 14:42:37,901 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:42:37,902 INFO L432 NwaCegarLoop]: 273 mSDtfsCounter, 148 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 1241 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:37,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 1241 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:42:37,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2024-11-13 14:42:37,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 279. [2024-11-13 14:42:37,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 251 states have (on average 1.3705179282868525) internal successors, (344), 252 states have internal predecessors, (344), 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) [2024-11-13 14:42:37,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 394 transitions. [2024-11-13 14:42:37,953 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 394 transitions. Word has length 180 [2024-11-13 14:42:37,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:37,954 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 394 transitions. [2024-11-13 14:42:37,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 14:42:37,955 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 394 transitions. [2024-11-13 14:42:37,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-13 14:42:37,960 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:37,960 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:42:37,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 14:42:37,961 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:42:37,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:37,962 INFO L85 PathProgramCache]: Analyzing trace with hash 420820610, now seen corresponding path program 1 times [2024-11-13 14:42:37,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:37,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500346855] [2024-11-13 14:42:37,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:37,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:38,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:38,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:42:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:38,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:42:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:38,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:42:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:38,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:42:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:38,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:42:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:38,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:42:38,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:38,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:42:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:38,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:42:38,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:38,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:42:38,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:38,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:42:38,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:38,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:42:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:38,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:42:38,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:38,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:42:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:38,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:42:38,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:38,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:42:38,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:38,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:42:38,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:38,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:42:38,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:38,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:42:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:38,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:42:38,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:38,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:42:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:38,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:42:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:38,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:42:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:38,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:42:38,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:38,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:42:38,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:38,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500346855] [2024-11-13 14:42:38,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500346855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:38,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:38,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:42:38,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612757789] [2024-11-13 14:42:38,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:38,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:42:38,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:38,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:42:38,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:42:38,552 INFO L87 Difference]: Start difference. First operand 279 states and 394 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 14:42:38,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:38,906 INFO L93 Difference]: Finished difference Result 831 states and 1172 transitions. [2024-11-13 14:42:38,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 14:42:38,907 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-13 14:42:38,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:38,911 INFO L225 Difference]: With dead ends: 831 [2024-11-13 14:42:38,912 INFO L226 Difference]: Without dead ends: 555 [2024-11-13 14:42:38,913 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:42:38,914 INFO L432 NwaCegarLoop]: 269 mSDtfsCounter, 166 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 1191 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:38,914 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 1191 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:42:38,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2024-11-13 14:42:38,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 339. [2024-11-13 14:42:38,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 311 states have (on average 1.3954983922829582) internal successors, (434), 312 states have internal predecessors, (434), 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) [2024-11-13 14:42:38,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 484 transitions. [2024-11-13 14:42:38,986 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 484 transitions. Word has length 180 [2024-11-13 14:42:38,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:38,987 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 484 transitions. [2024-11-13 14:42:38,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 14:42:38,988 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 484 transitions. [2024-11-13 14:42:38,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-13 14:42:38,991 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:38,992 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:42:38,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 14:42:38,992 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:42:38,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:38,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1763779483, now seen corresponding path program 1 times [2024-11-13 14:42:38,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:38,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948688313] [2024-11-13 14:42:38,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:38,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:39,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:39,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:42:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:39,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:42:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:39,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:42:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:39,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:42:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:39,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:42:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:39,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:42:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:39,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:42:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:39,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:42:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:39,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:42:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:39,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:42:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:39,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:42:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:39,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:42:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:39,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:42:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:39,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:42:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:39,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:42:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:39,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:42:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:39,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:42:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:39,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:42:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:39,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:42:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:39,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:42:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:39,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:42:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:39,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:42:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:39,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:42:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:39,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:42:39,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:39,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948688313] [2024-11-13 14:42:39,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948688313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:39,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:39,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:42:39,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284684147] [2024-11-13 14:42:39,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:39,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:42:39,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:39,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:42:39,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:42:39,463 INFO L87 Difference]: Start difference. First operand 339 states and 484 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 14:42:39,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:39,825 INFO L93 Difference]: Finished difference Result 925 states and 1332 transitions. [2024-11-13 14:42:39,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:42:39,826 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-13 14:42:39,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:39,830 INFO L225 Difference]: With dead ends: 925 [2024-11-13 14:42:39,830 INFO L226 Difference]: Without dead ends: 589 [2024-11-13 14:42:39,832 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 [2024-11-13 14:42:39,833 INFO L432 NwaCegarLoop]: 293 mSDtfsCounter, 167 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 988 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:39,833 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 988 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:42:39,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2024-11-13 14:42:39,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 339. [2024-11-13 14:42:39,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 311 states have (on average 1.3762057877813505) internal successors, (428), 312 states have internal predecessors, (428), 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) [2024-11-13 14:42:39,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 478 transitions. [2024-11-13 14:42:39,899 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 478 transitions. Word has length 180 [2024-11-13 14:42:39,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:39,899 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 478 transitions. [2024-11-13 14:42:39,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 14:42:39,900 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 478 transitions. [2024-11-13 14:42:39,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-13 14:42:39,903 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:39,904 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:42:39,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 14:42:39,904 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:42:39,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:39,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1122420484, now seen corresponding path program 1 times [2024-11-13 14:42:39,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:39,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401770786] [2024-11-13 14:42:39,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:39,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:42:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:42:40,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:42:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:42:40,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:42:40,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:42:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:42:40,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:42:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:42:40,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:42:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:42:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:42:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:42:40,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:42:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:42:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:42:40,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:42:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:42:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:42:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:42:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:42:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:42:40,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:42:40,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:42:40,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:40,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401770786] [2024-11-13 14:42:40,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401770786] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:40,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:40,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:42:40,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3011295] [2024-11-13 14:42:40,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:40,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:42:40,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:40,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:42:40,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:42:40,196 INFO L87 Difference]: Start difference. First operand 339 states and 478 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 14:42:40,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:40,280 INFO L93 Difference]: Finished difference Result 641 states and 902 transitions. [2024-11-13 14:42:40,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:42:40,281 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-11-13 14:42:40,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:40,286 INFO L225 Difference]: With dead ends: 641 [2024-11-13 14:42:40,286 INFO L226 Difference]: Without dead ends: 305 [2024-11-13 14:42:40,287 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 [2024-11-13 14:42:40,287 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 1 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 534 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 [2024-11-13 14:42:40,287 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 534 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:42:40,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-11-13 14:42:40,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2024-11-13 14:42:40,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 277 states have (on average 1.3537906137184115) internal successors, (375), 278 states have internal predecessors, (375), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-13 14:42:40,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 425 transitions. [2024-11-13 14:42:40,344 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 425 transitions. Word has length 180 [2024-11-13 14:42:40,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:40,347 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 425 transitions. [2024-11-13 14:42:40,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 14:42:40,347 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 425 transitions. [2024-11-13 14:42:40,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-13 14:42:40,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:40,352 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] [2024-11-13 14:42:40,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 14:42:40,352 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:42:40,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:40,353 INFO L85 PathProgramCache]: Analyzing trace with hash -835174289, now seen corresponding path program 1 times [2024-11-13 14:42:40,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:40,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124795419] [2024-11-13 14:42:40,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:40,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:42:40,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:42:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:42:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:42:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:42:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:42:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:42:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:42:40,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:42:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:42:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:42:40,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:42:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:42:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:42:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:42:40,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:42:40,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:42:40,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:42:40,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:42:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:42:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:42:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:42:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:42:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:40,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:42:40,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:40,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124795419] [2024-11-13 14:42:40,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124795419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:40,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:40,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:42:40,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973398573] [2024-11-13 14:42:40,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:40,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:42:40,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:40,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:42:40,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:42:40,662 INFO L87 Difference]: Start difference. First operand 305 states and 425 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) [2024-11-13 14:42:40,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:40,755 INFO L93 Difference]: Finished difference Result 613 states and 855 transitions. [2024-11-13 14:42:40,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:42:40,756 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 [2024-11-13 14:42:40,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:40,759 INFO L225 Difference]: With dead ends: 613 [2024-11-13 14:42:40,759 INFO L226 Difference]: Without dead ends: 311 [2024-11-13 14:42:40,760 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 [2024-11-13 14:42:40,761 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 1 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:40,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 707 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:42:40,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-11-13 14:42:40,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 311. [2024-11-13 14:42:40,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 283 states have (on average 1.3462897526501767) internal successors, (381), 284 states have internal predecessors, (381), 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) [2024-11-13 14:42:40,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 431 transitions. [2024-11-13 14:42:40,813 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 431 transitions. Word has length 181 [2024-11-13 14:42:40,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:40,814 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 431 transitions. [2024-11-13 14:42:40,814 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) [2024-11-13 14:42:40,814 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 431 transitions. [2024-11-13 14:42:40,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-13 14:42:40,818 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:40,818 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] [2024-11-13 14:42:40,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 14:42:40,818 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:42:40,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:40,819 INFO L85 PathProgramCache]: Analyzing trace with hash -907560847, now seen corresponding path program 1 times [2024-11-13 14:42:40,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:40,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440812436] [2024-11-13 14:42:40,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:40,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:41,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:42:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:41,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:42:41,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:41,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:42:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:41,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:42:41,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:41,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:42:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:41,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:42:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:41,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:42:41,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:41,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:42:41,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:41,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:42:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:41,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:42:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:41,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:42:41,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:41,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:42:41,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:41,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:42:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:41,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:42:41,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:41,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:42:41,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:41,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:42:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:41,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:42:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:41,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:42:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:41,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:42:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:41,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:42:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:41,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:42:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:41,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:42:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:41,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:42:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:41,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:42:41,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:41,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440812436] [2024-11-13 14:42:41,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440812436] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:41,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:41,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:42:41,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357960496] [2024-11-13 14:42:41,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:41,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:42:41,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:41,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:42:41,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:42:41,650 INFO L87 Difference]: Start difference. First operand 311 states and 431 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 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) [2024-11-13 14:42:42,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:42,212 INFO L93 Difference]: Finished difference Result 789 states and 1094 transitions. [2024-11-13 14:42:42,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:42:42,213 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 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 [2024-11-13 14:42:42,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:42,217 INFO L225 Difference]: With dead ends: 789 [2024-11-13 14:42:42,217 INFO L226 Difference]: Without dead ends: 481 [2024-11-13 14:42:42,218 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:42:42,219 INFO L432 NwaCegarLoop]: 323 mSDtfsCounter, 325 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 996 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:42,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 996 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 14:42:42,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2024-11-13 14:42:42,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 308. [2024-11-13 14:42:42,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 280 states have (on average 1.3464285714285715) internal successors, (377), 281 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) [2024-11-13 14:42:42,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 427 transitions. [2024-11-13 14:42:42,305 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 427 transitions. Word has length 181 [2024-11-13 14:42:42,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:42,306 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 427 transitions. [2024-11-13 14:42:42,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 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) [2024-11-13 14:42:42,306 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 427 transitions. [2024-11-13 14:42:42,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-13 14:42:42,309 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:42,310 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] [2024-11-13 14:42:42,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 14:42:42,310 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:42:42,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:42,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1575436235, now seen corresponding path program 1 times [2024-11-13 14:42:42,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:42,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765628391] [2024-11-13 14:42:42,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:42,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:42,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:42:42,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:42,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:42:42,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:42,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:42:42,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:42,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:42:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:42,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:42:42,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:42,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:42:42,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:42,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:42:42,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:42,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:42:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:42,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:42:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:42,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:42:42,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:42,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:42:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:42,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:42:42,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:42,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:42:42,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:42,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:42:42,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:42,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:42:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:42,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:42:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:42,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:42:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:42,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:42:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:43,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:42:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:43,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:42:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:43,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:42:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:43,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:42:43,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:43,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:42:43,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:43,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:42:43,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:43,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765628391] [2024-11-13 14:42:43,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765628391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:43,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:43,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:42:43,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917650223] [2024-11-13 14:42:43,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:43,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:42:43,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:43,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:42:43,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:42:43,049 INFO L87 Difference]: Start difference. First operand 308 states and 427 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 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) [2024-11-13 14:42:43,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:43,601 INFO L93 Difference]: Finished difference Result 737 states and 1023 transitions. [2024-11-13 14:42:43,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:42:43,602 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 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 [2024-11-13 14:42:43,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:43,606 INFO L225 Difference]: With dead ends: 737 [2024-11-13 14:42:43,607 INFO L226 Difference]: Without dead ends: 432 [2024-11-13 14:42:43,608 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:42:43,609 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 322 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:43,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 640 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 14:42:43,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2024-11-13 14:42:43,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 308. [2024-11-13 14:42:43,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 280 states have (on average 1.3428571428571427) internal successors, (376), 281 states have internal predecessors, (376), 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) [2024-11-13 14:42:43,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 426 transitions. [2024-11-13 14:42:43,682 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 426 transitions. Word has length 181 [2024-11-13 14:42:43,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:43,683 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 426 transitions. [2024-11-13 14:42:43,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 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) [2024-11-13 14:42:43,683 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 426 transitions. [2024-11-13 14:42:43,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-13 14:42:43,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:43,687 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] [2024-11-13 14:42:43,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 14:42:43,688 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:42:43,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:43,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1698462707, now seen corresponding path program 1 times [2024-11-13 14:42:43,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:43,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876139043] [2024-11-13 14:42:43,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:43,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:44,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:42:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:44,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:42:44,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:44,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:42:44,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:44,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:42:44,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:44,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:42:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:44,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:42:44,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:44,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:42:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:44,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:42:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:44,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:42:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:44,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:42:44,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:44,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:42:44,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:44,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:42:44,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:44,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:42:44,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:44,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:42:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:44,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:42:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:44,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:42:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:44,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:42:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:44,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:42:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:44,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:42:44,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:44,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:42:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:44,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:42:44,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:44,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:42:44,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:44,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:42:44,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:44,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-13 14:42:44,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:44,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876139043] [2024-11-13 14:42:44,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876139043] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:42:44,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901783757] [2024-11-13 14:42:44,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:44,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:42:44,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:42:44,951 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:42:44,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 14:42:45,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:45,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 14:42:45,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:42:45,405 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 [2024-11-13 14:42:45,459 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 [2024-11-13 14:42:45,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:42:45,591 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:42:45,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1901783757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:45,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:42:45,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2024-11-13 14:42:45,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900119629] [2024-11-13 14:42:45,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:45,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:42:45,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:45,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:42:45,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2024-11-13 14:42:45,595 INFO L87 Difference]: Start difference. First operand 308 states and 426 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 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) [2024-11-13 14:42:46,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:46,248 INFO L93 Difference]: Finished difference Result 932 states and 1297 transitions. [2024-11-13 14:42:46,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 14:42:46,249 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 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 [2024-11-13 14:42:46,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:46,253 INFO L225 Difference]: With dead ends: 932 [2024-11-13 14:42:46,253 INFO L226 Difference]: Without dead ends: 627 [2024-11-13 14:42:46,256 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2024-11-13 14:42:46,258 INFO L432 NwaCegarLoop]: 462 mSDtfsCounter, 332 mSDsluCounter, 2094 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 2556 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:46,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 2556 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 14:42:46,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2024-11-13 14:42:46,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 312. [2024-11-13 14:42:46,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 284 states have (on average 1.341549295774648) internal successors, (381), 285 states have internal predecessors, (381), 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) [2024-11-13 14:42:46,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 431 transitions. [2024-11-13 14:42:46,314 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 431 transitions. Word has length 181 [2024-11-13 14:42:46,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:46,314 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 431 transitions. [2024-11-13 14:42:46,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 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) [2024-11-13 14:42:46,315 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 431 transitions. [2024-11-13 14:42:46,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-13 14:42:46,320 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:46,321 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] [2024-11-13 14:42:46,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-13 14:42:46,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-13 14:42:46,525 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:42:46,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:46,526 INFO L85 PathProgramCache]: Analyzing trace with hash 782163001, now seen corresponding path program 1 times [2024-11-13 14:42:46,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:46,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488520043] [2024-11-13 14:42:46,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:46,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:46,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:42:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:46,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:42:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:46,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:42:46,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:46,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:42:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:46,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:42:46,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:46,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:42:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:46,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:42:46,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:46,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:42:46,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:46,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:42:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:46,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:42:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:46,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:42:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:46,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:42:46,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:46,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:42:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:46,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:42:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:46,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:42:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:46,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:42:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:46,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:42:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:46,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:42:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:46,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:42:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:46,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:42:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:46,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:42:46,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:46,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:42:46,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:46,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:42:46,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:46,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:42:46,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:46,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488520043] [2024-11-13 14:42:46,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488520043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:46,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:46,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:42:46,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110287605] [2024-11-13 14:42:46,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:46,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:42:46,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:46,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:42:46,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:42:46,748 INFO L87 Difference]: Start difference. First operand 312 states and 431 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 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) [2024-11-13 14:42:46,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:46,802 INFO L93 Difference]: Finished difference Result 622 states and 861 transitions. [2024-11-13 14:42:46,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:42:46,803 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 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 [2024-11-13 14:42:46,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:46,806 INFO L225 Difference]: With dead ends: 622 [2024-11-13 14:42:46,806 INFO L226 Difference]: Without dead ends: 313 [2024-11-13 14:42:46,807 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 [2024-11-13 14:42:46,809 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 0 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 360 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 [2024-11-13 14:42:46,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 360 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:42:46,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-11-13 14:42:46,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 313. [2024-11-13 14:42:46,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 285 states have (on average 1.3403508771929824) internal successors, (382), 286 states have internal predecessors, (382), 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) [2024-11-13 14:42:46,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 432 transitions. [2024-11-13 14:42:46,857 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 432 transitions. Word has length 182 [2024-11-13 14:42:46,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:46,858 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 432 transitions. [2024-11-13 14:42:46,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 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) [2024-11-13 14:42:46,859 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 432 transitions. [2024-11-13 14:42:46,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-13 14:42:46,861 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:46,862 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] [2024-11-13 14:42:46,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 14:42:46,862 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:42:46,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:46,863 INFO L85 PathProgramCache]: Analyzing trace with hash -247196297, now seen corresponding path program 1 times [2024-11-13 14:42:46,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:46,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857399817] [2024-11-13 14:42:46,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:46,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:46,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:47,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:42:47,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:47,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:42:47,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:47,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:42:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:47,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:42:47,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:47,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:42:47,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:47,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:42:47,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:47,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:42:47,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:47,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:42:47,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:47,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:42:47,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:47,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:42:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:47,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:42:47,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:47,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:42:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:47,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:42:47,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:47,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:42:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:47,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:42:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:47,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:42:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:47,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:42:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:47,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:42:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:47,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:42:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:47,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:42:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:47,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:42:47,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:47,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:42:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:47,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:42:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:47,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:42:47,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:47,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857399817] [2024-11-13 14:42:47,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857399817] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:47,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:47,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:42:47,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555339330] [2024-11-13 14:42:47,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:47,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:42:47,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:47,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:42:47,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:42:47,255 INFO L87 Difference]: Start difference. First operand 313 states and 432 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 14:42:47,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:47,362 INFO L93 Difference]: Finished difference Result 540 states and 744 transitions. [2024-11-13 14:42:47,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:42:47,363 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 182 [2024-11-13 14:42:47,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:47,365 INFO L225 Difference]: With dead ends: 540 [2024-11-13 14:42:47,365 INFO L226 Difference]: Without dead ends: 230 [2024-11-13 14:42:47,366 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 [2024-11-13 14:42:47,367 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 0 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:47,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 513 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:42:47,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-11-13 14:42:47,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 229. [2024-11-13 14:42:47,405 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) [2024-11-13 14:42:47,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 313 transitions. [2024-11-13 14:42:47,407 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 313 transitions. Word has length 182 [2024-11-13 14:42:47,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:47,408 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 313 transitions. [2024-11-13 14:42:47,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 14:42:47,408 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 313 transitions. [2024-11-13 14:42:47,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-13 14:42:47,411 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:47,411 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] [2024-11-13 14:42:47,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 14:42:47,411 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:42:47,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:47,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1083623888, now seen corresponding path program 1 times [2024-11-13 14:42:47,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:47,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516621300] [2024-11-13 14:42:47,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:47,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:47,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:42:48,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:42:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:42:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:42:48,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:42:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:42:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:42:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:42:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:42:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:42:48,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:42:48,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:42:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:42:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:42:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:42:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:42:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:42:48,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:42:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:42:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:42:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:42:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:42:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:42:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:42:48,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:48,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516621300] [2024-11-13 14:42:48,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516621300] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:48,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:48,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:42:48,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960875545] [2024-11-13 14:42:48,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:48,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:42:48,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:48,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:42:48,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:42:48,145 INFO L87 Difference]: Start difference. First operand 229 states and 313 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) [2024-11-13 14:42:48,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:48,423 INFO L93 Difference]: Finished difference Result 517 states and 710 transitions. [2024-11-13 14:42:48,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:42:48,424 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 [2024-11-13 14:42:48,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:48,430 INFO L225 Difference]: With dead ends: 517 [2024-11-13 14:42:48,430 INFO L226 Difference]: Without dead ends: 291 [2024-11-13 14:42:48,431 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 [2024-11-13 14:42:48,432 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 164 mSDsluCounter, 1260 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 1502 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 [2024-11-13 14:42:48,432 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 1502 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:42:48,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-13 14:42:48,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 235. [2024-11-13 14:42:48,476 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) [2024-11-13 14:42:48,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 319 transitions. [2024-11-13 14:42:48,480 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 319 transitions. Word has length 183 [2024-11-13 14:42:48,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:48,482 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 319 transitions. [2024-11-13 14:42:48,482 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) [2024-11-13 14:42:48,483 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 319 transitions. [2024-11-13 14:42:48,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-13 14:42:48,485 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:48,486 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] [2024-11-13 14:42:48,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 14:42:48,487 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:42:48,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:48,487 INFO L85 PathProgramCache]: Analyzing trace with hash 675101079, now seen corresponding path program 1 times [2024-11-13 14:42:48,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:48,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447762070] [2024-11-13 14:42:48,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:48,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:48,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:42:48,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:42:48,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:42:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:42:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:42:48,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:42:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:42:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:42:48,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:42:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:42:48,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:42:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:42:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:42:48,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:42:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:42:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:42:48,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:42:48,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:42:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:42:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:42:48,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:42:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:42:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:42:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:48,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:42:48,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:48,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447762070] [2024-11-13 14:42:48,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447762070] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:48,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:48,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:42:48,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496265411] [2024-11-13 14:42:48,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:48,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:42:48,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:48,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:42:48,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:42:48,694 INFO L87 Difference]: Start difference. First operand 235 states and 319 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 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) [2024-11-13 14:42:48,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:48,749 INFO L93 Difference]: Finished difference Result 469 states and 639 transitions. [2024-11-13 14:42:48,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:42:48,749 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 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 [2024-11-13 14:42:48,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:48,752 INFO L225 Difference]: With dead ends: 469 [2024-11-13 14:42:48,752 INFO L226 Difference]: Without dead ends: 237 [2024-11-13 14:42:48,752 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 [2024-11-13 14:42:48,753 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 0 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 350 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 [2024-11-13 14:42:48,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 350 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:42:48,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-13 14:42:48,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2024-11-13 14:42:48,794 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) [2024-11-13 14:42:48,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 321 transitions. [2024-11-13 14:42:48,797 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 321 transitions. Word has length 185 [2024-11-13 14:42:48,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:48,798 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 321 transitions. [2024-11-13 14:42:48,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 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) [2024-11-13 14:42:48,799 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 321 transitions. [2024-11-13 14:42:48,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-13 14:42:48,802 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:48,802 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] [2024-11-13 14:42:48,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 14:42:48,803 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:42:48,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:48,803 INFO L85 PathProgramCache]: Analyzing trace with hash -913246823, now seen corresponding path program 1 times [2024-11-13 14:42:48,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:48,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129147093] [2024-11-13 14:42:48,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:48,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:42:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:42:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:42:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:42:49,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:42:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:42:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:42:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:42:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:42:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:42:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:42:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:42:49,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:42:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:42:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:42:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:42:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:42:49,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:42:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:42:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:42:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:42:49,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:42:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:42:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:42:49,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:49,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129147093] [2024-11-13 14:42:49,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129147093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:49,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:49,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:42:49,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373273770] [2024-11-13 14:42:49,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:49,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:42:49,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:49,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:42:49,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:42:49,227 INFO L87 Difference]: Start difference. First operand 237 states and 321 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 14:42:49,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:49,364 INFO L93 Difference]: Finished difference Result 634 states and 856 transitions. [2024-11-13 14:42:49,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:42:49,365 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 185 [2024-11-13 14:42:49,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:49,369 INFO L225 Difference]: With dead ends: 634 [2024-11-13 14:42:49,369 INFO L226 Difference]: Without dead ends: 400 [2024-11-13 14:42:49,370 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:42:49,374 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 73 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:49,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 655 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:42:49,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2024-11-13 14:42:49,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 330. [2024-11-13 14:42:49,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 302 states have (on average 1.294701986754967) internal successors, (391), 303 states have internal predecessors, (391), 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) [2024-11-13 14:42:49,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 441 transitions. [2024-11-13 14:42:49,442 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 441 transitions. Word has length 185 [2024-11-13 14:42:49,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:49,443 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 441 transitions. [2024-11-13 14:42:49,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 14:42:49,443 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 441 transitions. [2024-11-13 14:42:49,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-13 14:42:49,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:49,447 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] [2024-11-13 14:42:49,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 14:42:49,448 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:42:49,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:49,449 INFO L85 PathProgramCache]: Analyzing trace with hash -489600101, now seen corresponding path program 1 times [2024-11-13 14:42:49,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:49,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496853157] [2024-11-13 14:42:49,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:49,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:42:49,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:42:49,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:42:49,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:42:49,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:42:49,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:42:49,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:42:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:42:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:42:49,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:42:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:42:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:42:49,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:42:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:42:49,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:42:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:42:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:42:49,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:42:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:42:49,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:42:49,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:42:49,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:42:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:42:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:49,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:42:49,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:49,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496853157] [2024-11-13 14:42:49,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496853157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:49,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:49,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:42:49,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405155980] [2024-11-13 14:42:49,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:49,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:42:49,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:49,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:42:49,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:42:49,921 INFO L87 Difference]: Start difference. First operand 330 states and 441 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 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) [2024-11-13 14:42:50,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:50,003 INFO L93 Difference]: Finished difference Result 647 states and 865 transitions. [2024-11-13 14:42:50,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:42:50,004 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 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 [2024-11-13 14:42:50,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:50,007 INFO L225 Difference]: With dead ends: 647 [2024-11-13 14:42:50,007 INFO L226 Difference]: Without dead ends: 320 [2024-11-13 14:42:50,008 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:42:50,009 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 0 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:50,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 499 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:42:50,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2024-11-13 14:42:50,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 318. [2024-11-13 14:42:50,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 290 states have (on average 1.2862068965517242) internal successors, (373), 291 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) [2024-11-13 14:42:50,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 423 transitions. [2024-11-13 14:42:50,054 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 423 transitions. Word has length 185 [2024-11-13 14:42:50,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:50,055 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 423 transitions. [2024-11-13 14:42:50,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 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) [2024-11-13 14:42:50,055 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 423 transitions. [2024-11-13 14:42:50,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-13 14:42:50,058 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:50,058 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] [2024-11-13 14:42:50,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 14:42:50,059 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:42:50,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:50,059 INFO L85 PathProgramCache]: Analyzing trace with hash -2108523578, now seen corresponding path program 1 times [2024-11-13 14:42:50,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:50,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538203389] [2024-11-13 14:42:50,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:50,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:50,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:42:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:50,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:42:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:50,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:42:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:50,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:42:50,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:50,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:42:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:50,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:42:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:50,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:42:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:50,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:42:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:50,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:42:50,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:50,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:42:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:50,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:42:50,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:50,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:42:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:50,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:42:50,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:50,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:42:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:50,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:42:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:50,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:42:50,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:50,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:42:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:50,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:42:50,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:50,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:42:50,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:50,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:42:50,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:50,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:42:50,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:50,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:42:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:50,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:42:50,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:50,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:42:50,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:50,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538203389] [2024-11-13 14:42:50,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538203389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:50,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:50,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:42:50,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153097217] [2024-11-13 14:42:50,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:50,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:42:50,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:50,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:42:50,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:42:50,284 INFO L87 Difference]: Start difference. First operand 318 states and 423 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 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) [2024-11-13 14:42:50,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:50,370 INFO L93 Difference]: Finished difference Result 639 states and 851 transitions. [2024-11-13 14:42:50,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:42:50,371 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 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 [2024-11-13 14:42:50,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:50,373 INFO L225 Difference]: With dead ends: 639 [2024-11-13 14:42:50,374 INFO L226 Difference]: Without dead ends: 324 [2024-11-13 14:42:50,374 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 [2024-11-13 14:42:50,376 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 1 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 502 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 [2024-11-13 14:42:50,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 502 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:42:50,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-13 14:42:50,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 322. [2024-11-13 14:42:50,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 294 states have (on average 1.282312925170068) internal successors, (377), 295 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) [2024-11-13 14:42:50,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 427 transitions. [2024-11-13 14:42:50,418 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 427 transitions. Word has length 187 [2024-11-13 14:42:50,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:50,419 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 427 transitions. [2024-11-13 14:42:50,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 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) [2024-11-13 14:42:50,419 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 427 transitions. [2024-11-13 14:42:50,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-13 14:42:50,423 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:50,423 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:42:50,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-13 14:42:50,423 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:42:50,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:50,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1928278280, now seen corresponding path program 1 times [2024-11-13 14:42:50,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:50,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866327120] [2024-11-13 14:42:50,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:50,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:51,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:42:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:51,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:42:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:51,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:42:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:51,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:42:51,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:51,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:42:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:51,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:42:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:51,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:42:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:51,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:42:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:51,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:42:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:51,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:42:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:51,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:42:51,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:51,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:42:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:51,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:42:51,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:51,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:42:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:51,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:42:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:51,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:42:51,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:51,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:42:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:51,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:42:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:51,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:42:51,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:51,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:42:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:51,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:42:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:51,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:42:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:51,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:42:51,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:51,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:42:51,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:51,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866327120] [2024-11-13 14:42:51,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866327120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:51,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:51,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 14:42:51,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683039141] [2024-11-13 14:42:51,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:51,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:42:51,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:51,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:42:51,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:42:51,290 INFO L87 Difference]: Start difference. First operand 322 states and 427 transitions. Second operand has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 9 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) [2024-11-13 14:42:51,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:51,578 INFO L93 Difference]: Finished difference Result 801 states and 1057 transitions. [2024-11-13 14:42:51,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:42:51,578 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 9 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 [2024-11-13 14:42:51,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:51,582 INFO L225 Difference]: With dead ends: 801 [2024-11-13 14:42:51,582 INFO L226 Difference]: Without dead ends: 482 [2024-11-13 14:42:51,584 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-13 14:42:51,585 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 162 mSDsluCounter, 1523 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 1802 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:51,585 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 1802 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:42:51,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2024-11-13 14:42:51,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 373. [2024-11-13 14:42:51,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 345 states have (on average 1.2579710144927536) internal successors, (434), 346 states have internal predecessors, (434), 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) [2024-11-13 14:42:51,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 484 transitions. [2024-11-13 14:42:51,639 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 484 transitions. Word has length 187 [2024-11-13 14:42:51,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:51,640 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 484 transitions. [2024-11-13 14:42:51,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 9 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) [2024-11-13 14:42:51,640 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 484 transitions. [2024-11-13 14:42:51,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-13 14:42:51,644 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:51,645 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:42:51,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-13 14:42:51,645 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:42:51,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:51,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1739953551, now seen corresponding path program 1 times [2024-11-13 14:42:51,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:51,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3226602] [2024-11-13 14:42:51,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:51,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:42:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:42:52,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:42:52,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:42:52,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:42:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:42:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:42:52,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:42:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:42:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:42:52,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:42:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:42:52,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:42:52,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:42:52,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:42:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:42:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:42:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:42:52,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:42:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:42:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:42:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:42:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:42:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:42:52,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:52,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3226602] [2024-11-13 14:42:52,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3226602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:52,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:52,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:42:52,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150925793] [2024-11-13 14:42:52,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:52,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:42:52,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:52,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:42:52,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:42:52,115 INFO L87 Difference]: Start difference. First operand 373 states and 484 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 14:42:52,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:52,279 INFO L93 Difference]: Finished difference Result 746 states and 966 transitions. [2024-11-13 14:42:52,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:42:52,280 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 188 [2024-11-13 14:42:52,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:52,282 INFO L225 Difference]: With dead ends: 746 [2024-11-13 14:42:52,282 INFO L226 Difference]: Without dead ends: 376 [2024-11-13 14:42:52,285 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 [2024-11-13 14:42:52,286 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 77 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 794 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 [2024-11-13 14:42:52,287 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 794 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:42:52,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2024-11-13 14:42:52,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 334. [2024-11-13 14:42:52,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 308 states have (on average 1.2435064935064934) internal successors, (383), 308 states have internal predecessors, (383), 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) [2024-11-13 14:42:52,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 429 transitions. [2024-11-13 14:42:52,329 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 429 transitions. Word has length 188 [2024-11-13 14:42:52,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:52,329 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 429 transitions. [2024-11-13 14:42:52,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 14:42:52,330 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 429 transitions. [2024-11-13 14:42:52,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-13 14:42:52,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:52,332 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] [2024-11-13 14:42:52,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-13 14:42:52,333 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:42:52,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:52,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1781988992, now seen corresponding path program 1 times [2024-11-13 14:42:52,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:52,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32707463] [2024-11-13 14:42:52,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:52,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:42:52,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:42:52,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:42:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:42:52,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:42:52,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:42:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:42:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:42:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:42:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:42:52,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:42:52,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:42:52,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:42:52,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:42:52,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:42:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:42:52,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:42:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:42:52,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:42:52,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:42:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:42:52,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:42:52,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:42:52,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:52,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:42:52,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:52,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32707463] [2024-11-13 14:42:52,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32707463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:52,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:52,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:42:52,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436631879] [2024-11-13 14:42:52,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:52,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:42:52,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:52,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:42:52,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:42:52,586 INFO L87 Difference]: Start difference. First operand 334 states and 429 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 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) [2024-11-13 14:42:52,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:52,660 INFO L93 Difference]: Finished difference Result 672 states and 864 transitions. [2024-11-13 14:42:52,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:42:52,660 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 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 [2024-11-13 14:42:52,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:52,663 INFO L225 Difference]: With dead ends: 672 [2024-11-13 14:42:52,663 INFO L226 Difference]: Without dead ends: 341 [2024-11-13 14:42:52,667 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 [2024-11-13 14:42:52,668 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 1 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:52,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 664 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:42:52,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-11-13 14:42:52,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 338. [2024-11-13 14:42:52,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 312 states have (on average 1.2403846153846154) internal successors, (387), 312 states have internal predecessors, (387), 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) [2024-11-13 14:42:52,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 433 transitions. [2024-11-13 14:42:52,710 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 433 transitions. Word has length 189 [2024-11-13 14:42:52,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:52,711 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 433 transitions. [2024-11-13 14:42:52,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 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) [2024-11-13 14:42:52,711 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 433 transitions. [2024-11-13 14:42:52,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-13 14:42:52,715 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:52,715 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] [2024-11-13 14:42:52,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-13 14:42:52,715 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:42:52,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:52,716 INFO L85 PathProgramCache]: Analyzing trace with hash 502125314, now seen corresponding path program 1 times [2024-11-13 14:42:52,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:52,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878601718] [2024-11-13 14:42:52,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:52,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:42:53,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:42:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:42:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:42:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:42:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:42:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:42:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:42:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:42:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:42:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:42:53,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:42:53,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:42:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:42:53,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:42:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:42:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:42:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:42:53,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:42:53,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:42:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:42:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:42:53,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:42:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:42:53,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:53,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878601718] [2024-11-13 14:42:53,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878601718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:53,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:53,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:42:53,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087929100] [2024-11-13 14:42:53,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:53,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:42:53,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:53,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:42:53,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:42:53,189 INFO L87 Difference]: Start difference. First operand 338 states and 433 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 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) [2024-11-13 14:42:53,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:53,342 INFO L93 Difference]: Finished difference Result 710 states and 909 transitions. [2024-11-13 14:42:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:42:53,343 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 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 [2024-11-13 14:42:53,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:53,346 INFO L225 Difference]: With dead ends: 710 [2024-11-13 14:42:53,346 INFO L226 Difference]: Without dead ends: 375 [2024-11-13 14:42:53,349 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 [2024-11-13 14:42:53,350 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 125 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 554 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 [2024-11-13 14:42:53,352 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 554 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:42:53,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-11-13 14:42:53,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 338. [2024-11-13 14:42:53,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 312 states have (on average 1.2371794871794872) internal successors, (386), 312 states have internal predecessors, (386), 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) [2024-11-13 14:42:53,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 432 transitions. [2024-11-13 14:42:53,396 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 432 transitions. Word has length 189 [2024-11-13 14:42:53,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:53,396 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 432 transitions. [2024-11-13 14:42:53,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 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) [2024-11-13 14:42:53,397 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 432 transitions. [2024-11-13 14:42:53,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-13 14:42:53,399 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:53,399 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] [2024-11-13 14:42:53,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-13 14:42:53,401 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:42:53,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:53,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1198260885, now seen corresponding path program 1 times [2024-11-13 14:42:53,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:53,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164900966] [2024-11-13 14:42:53,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:53,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:42:53,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:42:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:42:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:42:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:42:53,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:42:53,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:42:53,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:42:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:42:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:42:53,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:42:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:42:53,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:42:53,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:42:53,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:42:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:42:53,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:42:53,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:42:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:42:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:53,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:42:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:54,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:42:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:54,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:42:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:54,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:42:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:54,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:42:54,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:54,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164900966] [2024-11-13 14:42:54,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164900966] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:54,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:54,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:42:54,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923270157] [2024-11-13 14:42:54,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:54,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:42:54,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:54,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:42:54,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:42:54,015 INFO L87 Difference]: Start difference. First operand 338 states and 432 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) [2024-11-13 14:42:54,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:54,204 INFO L93 Difference]: Finished difference Result 787 states and 1003 transitions. [2024-11-13 14:42:54,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:42:54,205 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 [2024-11-13 14:42:54,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:54,208 INFO L225 Difference]: With dead ends: 787 [2024-11-13 14:42:54,208 INFO L226 Difference]: Without dead ends: 452 [2024-11-13 14:42:54,209 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 [2024-11-13 14:42:54,210 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 137 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:54,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 667 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:42:54,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2024-11-13 14:42:54,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 449. [2024-11-13 14:42:54,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 417 states have (on average 1.2398081534772183) internal successors, (517), 418 states have internal predecessors, (517), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-13 14:42:54,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 571 transitions. [2024-11-13 14:42:54,273 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 571 transitions. Word has length 190 [2024-11-13 14:42:54,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:54,274 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 571 transitions. [2024-11-13 14:42:54,274 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) [2024-11-13 14:42:54,274 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 571 transitions. [2024-11-13 14:42:54,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-13 14:42:54,276 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:54,277 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] [2024-11-13 14:42:54,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-13 14:42:54,277 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:42:54,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:54,278 INFO L85 PathProgramCache]: Analyzing trace with hash -950114391, now seen corresponding path program 1 times [2024-11-13 14:42:54,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:54,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331097751] [2024-11-13 14:42:54,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:54,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:54,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:42:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:54,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:42:54,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:54,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:42:54,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:54,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:42:54,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:54,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:42:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:54,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:42:54,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:54,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:42:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:54,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:42:54,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:54,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:42:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:54,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:42:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:54,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:42:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:54,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:42:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:54,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:42:54,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:54,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:42:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:54,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:42:54,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:54,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:42:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:54,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:42:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:54,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:42:54,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:54,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:42:54,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:54,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:42:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:54,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:42:54,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:54,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:42:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:54,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:42:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:54,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:42:54,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:54,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331097751] [2024-11-13 14:42:54,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331097751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:54,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:54,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 14:42:54,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260620894] [2024-11-13 14:42:54,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:54,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:42:54,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:54,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:42:54,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:42:54,996 INFO L87 Difference]: Start difference. First operand 449 states and 571 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 9 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) [2024-11-13 14:42:55,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:55,318 INFO L93 Difference]: Finished difference Result 945 states and 1201 transitions. [2024-11-13 14:42:55,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:42:55,318 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 9 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 [2024-11-13 14:42:55,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:55,322 INFO L225 Difference]: With dead ends: 945 [2024-11-13 14:42:55,322 INFO L226 Difference]: Without dead ends: 499 [2024-11-13 14:42:55,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:42:55,325 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 211 mSDsluCounter, 1237 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 1501 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:55,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 1501 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:42:55,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2024-11-13 14:42:55,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 492. [2024-11-13 14:42:55,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 452 states have (on average 1.238938053097345) internal successors, (560), 454 states have internal predecessors, (560), 33 states have call successors, (33), 6 states have call predecessors, (33), 6 states have return successors, (33), 31 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-13 14:42:55,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 626 transitions. [2024-11-13 14:42:55,394 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 626 transitions. Word has length 190 [2024-11-13 14:42:55,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:55,395 INFO L471 AbstractCegarLoop]: Abstraction has 492 states and 626 transitions. [2024-11-13 14:42:55,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 9 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) [2024-11-13 14:42:55,395 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 626 transitions. [2024-11-13 14:42:55,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-13 14:42:55,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:55,397 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:42:55,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-13 14:42:55,397 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:42:55,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:55,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1773783317, now seen corresponding path program 1 times [2024-11-13 14:42:55,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:55,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423177859] [2024-11-13 14:42:55,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:55,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:55,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:42:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:55,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:42:55,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:55,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:42:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:55,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:42:55,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:55,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:42:55,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:55,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:42:55,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:55,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:42:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:55,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:42:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:55,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:42:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:55,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:42:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:55,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:42:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:55,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:42:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:55,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:42:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:55,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:42:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:55,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:42:55,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:55,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:42:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:55,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:42:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:55,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:42:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:55,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:42:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:55,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:42:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:55,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:42:55,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:55,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:42:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:55,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:42:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:55,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:42:55,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:55,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423177859] [2024-11-13 14:42:55,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423177859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:55,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:55,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:42:55,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075346032] [2024-11-13 14:42:55,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:55,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:42:55,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:55,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:42:55,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:42:55,853 INFO L87 Difference]: Start difference. First operand 492 states and 626 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) [2024-11-13 14:42:56,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:56,035 INFO L93 Difference]: Finished difference Result 1022 states and 1299 transitions. [2024-11-13 14:42:56,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:42:56,036 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 [2024-11-13 14:42:56,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:56,040 INFO L225 Difference]: With dead ends: 1022 [2024-11-13 14:42:56,040 INFO L226 Difference]: Without dead ends: 533 [2024-11-13 14:42:56,042 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 [2024-11-13 14:42:56,043 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 151 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:56,043 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 583 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:42:56,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2024-11-13 14:42:56,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 493. [2024-11-13 14:42:56,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 452 states have (on average 1.2345132743362832) internal successors, (558), 454 states have internal predecessors, (558), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 31 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-13 14:42:56,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 624 transitions. [2024-11-13 14:42:56,113 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 624 transitions. Word has length 190 [2024-11-13 14:42:56,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:56,113 INFO L471 AbstractCegarLoop]: Abstraction has 493 states and 624 transitions. [2024-11-13 14:42:56,114 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) [2024-11-13 14:42:56,114 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 624 transitions. [2024-11-13 14:42:56,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-13 14:42:56,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:56,116 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] [2024-11-13 14:42:56,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-13 14:42:56,116 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:42:56,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:56,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1499485739, now seen corresponding path program 1 times [2024-11-13 14:42:56,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:56,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668852812] [2024-11-13 14:42:56,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:56,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:56,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:57,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:42:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:57,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:42:57,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:57,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:42:57,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:57,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:42:57,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:57,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:42:57,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:57,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:42:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:57,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:42:57,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:57,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:42:57,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:57,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:42:57,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:57,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:42:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:57,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:42:57,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:57,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:42:57,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:57,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:42:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:57,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:42:57,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:57,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:42:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:57,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:42:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:57,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:42:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:57,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:42:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:57,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:42:57,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:57,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:42:57,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:57,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:42:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:57,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:42:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:57,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:42:57,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:57,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:42:57,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:57,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668852812] [2024-11-13 14:42:57,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668852812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:57,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:57,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 14:42:57,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990633384] [2024-11-13 14:42:57,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:57,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 14:42:57,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:57,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 14:42:57,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:42:57,471 INFO L87 Difference]: Start difference. First operand 493 states and 624 transitions. Second operand has 10 states, 10 states have (on average 7.8) internal successors, (78), 10 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) [2024-11-13 14:42:58,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:58,218 INFO L93 Difference]: Finished difference Result 1107 states and 1398 transitions. [2024-11-13 14:42:58,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 14:42:58,219 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.8) internal successors, (78), 10 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 [2024-11-13 14:42:58,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:58,223 INFO L225 Difference]: With dead ends: 1107 [2024-11-13 14:42:58,223 INFO L226 Difference]: Without dead ends: 617 [2024-11-13 14:42:58,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2024-11-13 14:42:58,225 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 184 mSDsluCounter, 1574 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 1840 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:58,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 1840 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 14:42:58,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2024-11-13 14:42:58,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 562. [2024-11-13 14:42:58,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 510 states have (on average 1.2294117647058824) internal successors, (627), 513 states have internal predecessors, (627), 41 states have call successors, (41), 10 states have call predecessors, (41), 10 states have return successors, (41), 38 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-13 14:42:58,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 709 transitions. [2024-11-13 14:42:58,317 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 709 transitions. Word has length 190 [2024-11-13 14:42:58,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:58,317 INFO L471 AbstractCegarLoop]: Abstraction has 562 states and 709 transitions. [2024-11-13 14:42:58,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.8) internal successors, (78), 10 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) [2024-11-13 14:42:58,320 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 709 transitions. [2024-11-13 14:42:58,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-13 14:42:58,322 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:58,322 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] [2024-11-13 14:42:58,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-13 14:42:58,322 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:42:58,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:58,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1130561259, now seen corresponding path program 1 times [2024-11-13 14:42:58,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:58,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916634716] [2024-11-13 14:42:58,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:58,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:59,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:42:59,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:59,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:42:59,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:59,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:42:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:59,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:42:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:59,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:42:59,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:59,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:42:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:59,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:42:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:59,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:42:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:59,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:42:59,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:59,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:42:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:59,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:42:59,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:59,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:42:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:59,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:42:59,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:59,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:42:59,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:59,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:42:59,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:59,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:42:59,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:59,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:42:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:59,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:42:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:59,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:42:59,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:59,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:42:59,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:59,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:42:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:59,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:42:59,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:59,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:42:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:59,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:42:59,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:59,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916634716] [2024-11-13 14:42:59,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916634716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:59,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:59,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 14:42:59,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392229216] [2024-11-13 14:42:59,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:59,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 14:42:59,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:59,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 14:42:59,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:42:59,788 INFO L87 Difference]: Start difference. First operand 562 states and 709 transitions. Second operand has 10 states, 10 states have (on average 7.8) internal successors, (78), 10 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) [2024-11-13 14:43:00,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:00,366 INFO L93 Difference]: Finished difference Result 1198 states and 1508 transitions. [2024-11-13 14:43:00,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 14:43:00,367 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.8) internal successors, (78), 10 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 [2024-11-13 14:43:00,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:00,372 INFO L225 Difference]: With dead ends: 1198 [2024-11-13 14:43:00,372 INFO L226 Difference]: Without dead ends: 639 [2024-11-13 14:43:00,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-11-13 14:43:00,374 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 271 mSDsluCounter, 939 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 1123 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:43:00,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 1123 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 14:43:00,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2024-11-13 14:43:00,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 581. [2024-11-13 14:43:00,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 528 states have (on average 1.2253787878787878) internal successors, (647), 531 states have internal predecessors, (647), 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) [2024-11-13 14:43:00,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 729 transitions. [2024-11-13 14:43:00,469 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 729 transitions. Word has length 190 [2024-11-13 14:43:00,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:00,470 INFO L471 AbstractCegarLoop]: Abstraction has 581 states and 729 transitions. [2024-11-13 14:43:00,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.8) internal successors, (78), 10 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) [2024-11-13 14:43:00,470 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 729 transitions. [2024-11-13 14:43:00,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-13 14:43:00,473 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:00,473 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:43:00,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-13 14:43:00,473 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:43:00,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:00,474 INFO L85 PathProgramCache]: Analyzing trace with hash 872395821, now seen corresponding path program 1 times [2024-11-13 14:43:00,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:00,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237023124] [2024-11-13 14:43:00,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:00,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:01,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:43:01,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:01,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:43:01,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:01,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:43:01,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:01,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:43:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:01,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:43:01,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:01,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:43:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:01,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:43:01,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:01,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:43:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:01,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:43:01,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:01,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:43:01,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:01,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:43:01,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:01,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:43:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:01,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:43:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:01,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:43:01,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:01,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:43:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:01,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:43:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:01,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:43:01,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:01,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:43:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:01,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:43:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:01,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:43:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:01,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:43:01,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:01,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:43:01,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:01,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:43:01,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:01,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:43:01,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:01,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237023124] [2024-11-13 14:43:01,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237023124] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:01,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:43:01,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 14:43:01,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831713690] [2024-11-13 14:43:01,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:01,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:43:01,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:01,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:43:01,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:43:01,157 INFO L87 Difference]: Start difference. First operand 581 states and 729 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 9 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) [2024-11-13 14:43:01,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:01,471 INFO L93 Difference]: Finished difference Result 1165 states and 1459 transitions. [2024-11-13 14:43:01,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:43:01,472 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 9 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 [2024-11-13 14:43:01,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:01,476 INFO L225 Difference]: With dead ends: 1165 [2024-11-13 14:43:01,476 INFO L226 Difference]: Without dead ends: 587 [2024-11-13 14:43:01,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:43:01,480 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 153 mSDsluCounter, 1153 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 1394 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:43:01,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 1394 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:43:01,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2024-11-13 14:43:01,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 568. [2024-11-13 14:43:01,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 514 states have (on average 1.2237354085603114) internal successors, (629), 517 states have internal predecessors, (629), 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) [2024-11-13 14:43:01,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 711 transitions. [2024-11-13 14:43:01,604 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 711 transitions. Word has length 190 [2024-11-13 14:43:01,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:01,605 INFO L471 AbstractCegarLoop]: Abstraction has 568 states and 711 transitions. [2024-11-13 14:43:01,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 9 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) [2024-11-13 14:43:01,606 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 711 transitions. [2024-11-13 14:43:01,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-13 14:43:01,608 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:01,609 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] [2024-11-13 14:43:01,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-13 14:43:01,609 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:43:01,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:01,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1104402144, now seen corresponding path program 1 times [2024-11-13 14:43:01,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:01,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656499672] [2024-11-13 14:43:01,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:01,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:01,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:03,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:43:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:03,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:43:03,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:03,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:43:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:03,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:43:03,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:03,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:43:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:03,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:43:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:03,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:43:03,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:03,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:43:03,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:03,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:43:03,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:03,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:43:03,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:03,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:43:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:03,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:43:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:03,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:43:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:03,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:43:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:03,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:43:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:03,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:43:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:03,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:43:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:03,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:43:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:03,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:43:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:03,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:43:03,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:03,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:43:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:03,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:43:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:03,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:43:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:03,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:43:03,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:03,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656499672] [2024-11-13 14:43:03,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656499672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:03,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:43:03,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-13 14:43:03,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805972615] [2024-11-13 14:43:03,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:03,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 14:43:03,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:03,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 14:43:03,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:43:03,258 INFO L87 Difference]: Start difference. First operand 568 states and 711 transitions. Second operand has 13 states, 11 states have (on average 7.181818181818182) internal successors, (79), 12 states have internal predecessors, (79), 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) [2024-11-13 14:43:04,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:04,608 INFO L93 Difference]: Finished difference Result 1638 states and 2042 transitions. [2024-11-13 14:43:04,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 14:43:04,609 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 7.181818181818182) internal successors, (79), 12 states have internal predecessors, (79), 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 191 [2024-11-13 14:43:04,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:04,615 INFO L225 Difference]: With dead ends: 1638 [2024-11-13 14:43:04,615 INFO L226 Difference]: Without dead ends: 1073 [2024-11-13 14:43:04,617 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=117, Invalid=389, Unknown=0, NotChecked=0, Total=506 [2024-11-13 14:43:04,618 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 579 mSDsluCounter, 1213 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 1422 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:43:04,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 1422 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 14:43:04,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2024-11-13 14:43:04,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 1040. [2024-11-13 14:43:04,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1040 states, 942 states have (on average 1.208067940552017) internal successors, (1138), 949 states have internal predecessors, (1138), 73 states have call successors, (73), 24 states have call predecessors, (73), 24 states have return successors, (73), 66 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-13 14:43:04,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 1040 states and 1284 transitions. [2024-11-13 14:43:04,833 INFO L78 Accepts]: Start accepts. Automaton has 1040 states and 1284 transitions. Word has length 191 [2024-11-13 14:43:04,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:04,837 INFO L471 AbstractCegarLoop]: Abstraction has 1040 states and 1284 transitions. [2024-11-13 14:43:04,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 7.181818181818182) internal successors, (79), 12 states have internal predecessors, (79), 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) [2024-11-13 14:43:04,838 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1284 transitions. [2024-11-13 14:43:04,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-13 14:43:04,844 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:04,844 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:43:04,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-13 14:43:04,844 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:43:04,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:04,845 INFO L85 PathProgramCache]: Analyzing trace with hash -2133761442, now seen corresponding path program 1 times [2024-11-13 14:43:04,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:04,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919602694] [2024-11-13 14:43:04,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:04,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:05,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:43:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:05,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:43:05,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:05,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:43:05,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:05,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:43:05,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:05,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:43:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:05,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:43:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:05,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:43:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:05,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:43:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:05,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:43:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:05,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:43:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:05,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:43:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:05,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:43:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:05,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:43:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:05,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:43:05,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:05,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:43:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:05,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:43:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:05,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:43:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:05,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:43:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:05,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:43:05,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:05,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:43:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:05,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:43:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:05,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:43:05,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:05,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:43:05,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:05,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:43:05,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:05,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919602694] [2024-11-13 14:43:05,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919602694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:05,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:43:05,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:43:05,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239475385] [2024-11-13 14:43:05,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:05,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:43:05,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:05,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:43:05,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:43:05,403 INFO L87 Difference]: Start difference. First operand 1040 states and 1284 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 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) [2024-11-13 14:43:05,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:05,748 INFO L93 Difference]: Finished difference Result 2602 states and 3215 transitions. [2024-11-13 14:43:05,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:43:05,749 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 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 [2024-11-13 14:43:05,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:05,758 INFO L225 Difference]: With dead ends: 2602 [2024-11-13 14:43:05,758 INFO L226 Difference]: Without dead ends: 1565 [2024-11-13 14:43:05,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:43:05,762 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 94 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 1149 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:43:05,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 1149 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:43:05,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1565 states. [2024-11-13 14:43:06,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1565 to 1554. [2024-11-13 14:43:06,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1554 states, 1414 states have (on average 1.2065063649222065) internal successors, (1706), 1425 states have internal predecessors, (1706), 103 states have call successors, (103), 36 states have call predecessors, (103), 36 states have return successors, (103), 92 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-13 14:43:06,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 1554 states and 1912 transitions. [2024-11-13 14:43:06,063 INFO L78 Accepts]: Start accepts. Automaton has 1554 states and 1912 transitions. Word has length 191 [2024-11-13 14:43:06,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:06,064 INFO L471 AbstractCegarLoop]: Abstraction has 1554 states and 1912 transitions. [2024-11-13 14:43:06,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 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) [2024-11-13 14:43:06,064 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 1912 transitions. [2024-11-13 14:43:06,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-13 14:43:06,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:06,068 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] [2024-11-13 14:43:06,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-13 14:43:06,068 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:43:06,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:06,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1768178844, now seen corresponding path program 1 times [2024-11-13 14:43:06,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:06,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253834955] [2024-11-13 14:43:06,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:06,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:06,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:06,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:43:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:06,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:43:06,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:06,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:43:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:06,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:43:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:06,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:43:06,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:06,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:43:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:06,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:43:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:06,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:43:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:06,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:43:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:06,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:43:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:06,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:43:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:06,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:43:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:06,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:43:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:06,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:43:06,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:06,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:43:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:06,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:43:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:06,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:43:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:06,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:43:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:06,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:43:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:06,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:43:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:06,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:43:06,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:06,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:43:06,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:06,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:43:06,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:06,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:43:06,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:06,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253834955] [2024-11-13 14:43:06,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253834955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:06,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:43:06,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 14:43:06,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250054790] [2024-11-13 14:43:06,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:06,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 14:43:06,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:06,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 14:43:06,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:43:06,936 INFO L87 Difference]: Start difference. First operand 1554 states and 1912 transitions. Second operand has 10 states, 10 states have (on average 7.9) internal successors, (79), 10 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) [2024-11-13 14:43:07,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:07,660 INFO L93 Difference]: Finished difference Result 3729 states and 4584 transitions. [2024-11-13 14:43:07,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 14:43:07,661 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.9) internal successors, (79), 10 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 [2024-11-13 14:43:07,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:07,672 INFO L225 Difference]: With dead ends: 3729 [2024-11-13 14:43:07,672 INFO L226 Difference]: Without dead ends: 2178 [2024-11-13 14:43:07,676 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 [2024-11-13 14:43:07,677 INFO L432 NwaCegarLoop]: 319 mSDtfsCounter, 152 mSDsluCounter, 1665 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1984 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:43:07,677 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1984 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:43:07,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2178 states. [2024-11-13 14:43:08,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2178 to 1830. [2024-11-13 14:43:08,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1830 states, 1690 states have (on average 1.185207100591716) internal successors, (2003), 1701 states have internal predecessors, (2003), 103 states have call successors, (103), 36 states have call predecessors, (103), 36 states have return successors, (103), 92 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-13 14:43:08,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1830 states to 1830 states and 2209 transitions. [2024-11-13 14:43:08,073 INFO L78 Accepts]: Start accepts. Automaton has 1830 states and 2209 transitions. Word has length 191 [2024-11-13 14:43:08,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:08,074 INFO L471 AbstractCegarLoop]: Abstraction has 1830 states and 2209 transitions. [2024-11-13 14:43:08,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.9) internal successors, (79), 10 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) [2024-11-13 14:43:08,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1830 states and 2209 transitions. [2024-11-13 14:43:08,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-13 14:43:08,078 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:08,079 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] [2024-11-13 14:43:08,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-13 14:43:08,079 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:43:08,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:08,080 INFO L85 PathProgramCache]: Analyzing trace with hash 789398556, now seen corresponding path program 1 times [2024-11-13 14:43:08,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:08,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051799312] [2024-11-13 14:43:08,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:08,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:08,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:43:08,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:08,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:43:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:08,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:43:08,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:08,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:43:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:08,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:43:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:08,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:43:08,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:08,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:43:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:08,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:43:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:08,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:43:08,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:08,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:43:08,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:08,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:43:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:08,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:43:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:08,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:43:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:08,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:43:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:08,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:43:08,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:08,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:43:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:08,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:43:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:08,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:43:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:08,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:43:08,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:08,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:43:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:08,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:43:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:08,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:43:08,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:08,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:43:08,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:08,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:43:08,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:08,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051799312] [2024-11-13 14:43:08,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051799312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:08,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:43:08,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:43:08,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897038967] [2024-11-13 14:43:08,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:08,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:43:08,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:08,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:43:08,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:43:08,526 INFO L87 Difference]: Start difference. First operand 1830 states and 2209 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) [2024-11-13 14:43:09,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:09,004 INFO L93 Difference]: Finished difference Result 4625 states and 5572 transitions. [2024-11-13 14:43:09,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:43:09,005 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 [2024-11-13 14:43:09,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:09,016 INFO L225 Difference]: With dead ends: 4625 [2024-11-13 14:43:09,016 INFO L226 Difference]: Without dead ends: 2798 [2024-11-13 14:43:09,019 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 [2024-11-13 14:43:09,020 INFO L432 NwaCegarLoop]: 247 mSDtfsCounter, 158 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 645 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 [2024-11-13 14:43:09,020 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 645 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:43:09,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2798 states. [2024-11-13 14:43:09,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2798 to 2789. [2024-11-13 14:43:09,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2789 states, 2554 states have (on average 1.177760375880971) internal successors, (3008), 2574 states have internal predecessors, (3008), 169 states have call successors, (169), 65 states have call predecessors, (169), 65 states have return successors, (169), 149 states have call predecessors, (169), 169 states have call successors, (169) [2024-11-13 14:43:09,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2789 states to 2789 states and 3346 transitions. [2024-11-13 14:43:09,411 INFO L78 Accepts]: Start accepts. Automaton has 2789 states and 3346 transitions. Word has length 191 [2024-11-13 14:43:09,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:09,412 INFO L471 AbstractCegarLoop]: Abstraction has 2789 states and 3346 transitions. [2024-11-13 14:43:09,412 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) [2024-11-13 14:43:09,412 INFO L276 IsEmpty]: Start isEmpty. Operand 2789 states and 3346 transitions. [2024-11-13 14:43:09,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-13 14:43:09,418 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:09,418 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] [2024-11-13 14:43:09,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-13 14:43:09,418 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:43:09,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:09,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1627717052, now seen corresponding path program 1 times [2024-11-13 14:43:09,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:09,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291983118] [2024-11-13 14:43:09,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:09,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:10,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:43:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:10,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:43:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:10,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:43:10,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:10,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:43:10,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:10,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:43:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:10,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:43:10,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:10,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:43:10,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:10,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:43:10,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:10,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:43:10,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:10,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:43:10,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:10,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:43:10,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:10,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:43:10,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:10,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:43:10,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:10,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:43:10,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:10,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:43:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:10,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:43:10,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:10,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:43:10,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:10,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:43:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:10,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:43:10,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:10,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:43:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:10,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:43:10,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:10,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:43:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:10,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:43:10,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:10,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:43:10,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:10,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291983118] [2024-11-13 14:43:10,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291983118] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:10,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:43:10,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 14:43:10,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143515733] [2024-11-13 14:43:10,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:10,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:43:10,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:10,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:43:10,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:43:10,256 INFO L87 Difference]: Start difference. First operand 2789 states and 3346 transitions. Second operand has 9 states, 8 states have (on average 9.875) internal successors, (79), 9 states have internal predecessors, (79), 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) [2024-11-13 14:43:11,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:11,780 INFO L93 Difference]: Finished difference Result 7308 states and 8835 transitions. [2024-11-13 14:43:11,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 14:43:11,781 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.875) internal successors, (79), 9 states have internal predecessors, (79), 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 191 [2024-11-13 14:43:11,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:11,800 INFO L225 Difference]: With dead ends: 7308 [2024-11-13 14:43:11,800 INFO L226 Difference]: Without dead ends: 4563 [2024-11-13 14:43:11,806 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2024-11-13 14:43:11,807 INFO L432 NwaCegarLoop]: 351 mSDtfsCounter, 427 mSDsluCounter, 1097 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 1448 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 14:43:11,807 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [427 Valid, 1448 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 14:43:11,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4563 states. [2024-11-13 14:43:12,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4563 to 3687. [2024-11-13 14:43:12,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3687 states, 3352 states have (on average 1.1610978520286397) internal successors, (3892), 3382 states have internal predecessors, (3892), 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) [2024-11-13 14:43:12,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3687 states to 3687 states and 4370 transitions. [2024-11-13 14:43:12,535 INFO L78 Accepts]: Start accepts. Automaton has 3687 states and 4370 transitions. Word has length 191 [2024-11-13 14:43:12,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:12,535 INFO L471 AbstractCegarLoop]: Abstraction has 3687 states and 4370 transitions. [2024-11-13 14:43:12,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.875) internal successors, (79), 9 states have internal predecessors, (79), 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) [2024-11-13 14:43:12,536 INFO L276 IsEmpty]: Start isEmpty. Operand 3687 states and 4370 transitions. [2024-11-13 14:43:12,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-13 14:43:12,542 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:12,543 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] [2024-11-13 14:43:12,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-13 14:43:12,543 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:43:12,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:12,543 INFO L85 PathProgramCache]: Analyzing trace with hash -286587117, now seen corresponding path program 1 times [2024-11-13 14:43:12,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:12,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678065217] [2024-11-13 14:43:12,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:12,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:14,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:43:14,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:14,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:43:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:14,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:43:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:14,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:43:14,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:14,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:43:14,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:14,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:43:14,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:14,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:43:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:14,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:43:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:14,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:43:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:14,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:43:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:14,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:43:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:14,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:43:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:14,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:43:14,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:14,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:43:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:14,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:43:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:14,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:43:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:14,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:43:14,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:14,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:43:14,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:14,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:43:14,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:14,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:43:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:14,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:43:14,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:14,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:43:14,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:14,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:43:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:14,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:43:14,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:14,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678065217] [2024-11-13 14:43:14,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678065217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:14,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:43:14,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-13 14:43:14,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346397127] [2024-11-13 14:43:14,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:14,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 14:43:14,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:14,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 14:43:14,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-13 14:43:14,473 INFO L87 Difference]: Start difference. First operand 3687 states and 4370 transitions. Second operand has 14 states, 13 states have (on average 6.153846153846154) internal successors, (80), 14 states have internal predecessors, (80), 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) [2024-11-13 14:43:17,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:17,533 INFO L93 Difference]: Finished difference Result 11024 states and 13022 transitions. [2024-11-13 14:43:17,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 14:43:17,534 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.153846153846154) internal successors, (80), 14 states have internal predecessors, (80), 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 192 [2024-11-13 14:43:17,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:17,562 INFO L225 Difference]: With dead ends: 11024 [2024-11-13 14:43:17,562 INFO L226 Difference]: Without dead ends: 7381 [2024-11-13 14:43:17,569 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=141, Invalid=509, Unknown=0, NotChecked=0, Total=650 [2024-11-13 14:43:17,569 INFO L432 NwaCegarLoop]: 363 mSDtfsCounter, 608 mSDsluCounter, 2159 mSDsCounter, 0 mSdLazyCounter, 881 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 2522 SdHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:43:17,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [608 Valid, 2522 Invalid, 1067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 881 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 14:43:17,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7381 states. [2024-11-13 14:43:18,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7381 to 3831. [2024-11-13 14:43:18,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3831 states, 3496 states have (on average 1.1613272311212814) internal successors, (4060), 3526 states have internal predecessors, (4060), 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) [2024-11-13 14:43:18,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3831 states to 3831 states and 4538 transitions. [2024-11-13 14:43:18,318 INFO L78 Accepts]: Start accepts. Automaton has 3831 states and 4538 transitions. Word has length 192 [2024-11-13 14:43:18,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:18,318 INFO L471 AbstractCegarLoop]: Abstraction has 3831 states and 4538 transitions. [2024-11-13 14:43:18,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.153846153846154) internal successors, (80), 14 states have internal predecessors, (80), 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) [2024-11-13 14:43:18,319 INFO L276 IsEmpty]: Start isEmpty. Operand 3831 states and 4538 transitions. [2024-11-13 14:43:18,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-13 14:43:18,327 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:18,327 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] [2024-11-13 14:43:18,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-13 14:43:18,328 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:43:18,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:18,328 INFO L85 PathProgramCache]: Analyzing trace with hash -11827503, now seen corresponding path program 1 times [2024-11-13 14:43:18,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:18,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352579606] [2024-11-13 14:43:18,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:18,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:18,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:18,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:43:18,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:18,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:43:18,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:18,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:43:18,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:18,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:43:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:18,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:43:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:18,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:43:18,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:18,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:43:18,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:18,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:43:18,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:18,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:43:18,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:18,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:43:18,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:18,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:43:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:18,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:43:18,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:18,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:43:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:18,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:43:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:18,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:43:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:18,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:43:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:18,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:43:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:18,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:43:18,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:18,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:43:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:18,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:43:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:18,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:43:18,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:18,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:43:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:18,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:43:18,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:18,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:43:18,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:18,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352579606] [2024-11-13 14:43:18,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352579606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:18,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:43:18,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:43:18,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570334397] [2024-11-13 14:43:18,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:18,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:43:18,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:18,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:43:18,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:43:18,870 INFO L87 Difference]: Start difference. First operand 3831 states and 4538 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 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) [2024-11-13 14:43:20,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:20,081 INFO L93 Difference]: Finished difference Result 8727 states and 10440 transitions. [2024-11-13 14:43:20,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 14:43:20,082 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 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 [2024-11-13 14:43:20,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:20,100 INFO L225 Difference]: With dead ends: 8727 [2024-11-13 14:43:20,100 INFO L226 Difference]: Without dead ends: 4940 [2024-11-13 14:43:20,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:43:20,106 INFO L432 NwaCegarLoop]: 405 mSDtfsCounter, 329 mSDsluCounter, 853 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 1258 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:43:20,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 1258 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 14:43:20,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4940 states. [2024-11-13 14:43:20,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4940 to 3747. [2024-11-13 14:43:20,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3747 states, 3412 states have (on average 1.1556271981242674) internal successors, (3943), 3442 states have internal predecessors, (3943), 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) [2024-11-13 14:43:20,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3747 states to 3747 states and 4421 transitions. [2024-11-13 14:43:20,754 INFO L78 Accepts]: Start accepts. Automaton has 3747 states and 4421 transitions. Word has length 192 [2024-11-13 14:43:20,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:20,755 INFO L471 AbstractCegarLoop]: Abstraction has 3747 states and 4421 transitions. [2024-11-13 14:43:20,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 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) [2024-11-13 14:43:20,755 INFO L276 IsEmpty]: Start isEmpty. Operand 3747 states and 4421 transitions. [2024-11-13 14:43:20,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-13 14:43:20,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:20,760 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] [2024-11-13 14:43:20,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-13 14:43:20,760 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:43:20,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:20,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1207570843, now seen corresponding path program 1 times [2024-11-13 14:43:20,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:20,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921002192] [2024-11-13 14:43:20,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:20,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:21,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:43:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:21,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:43:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:21,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:43:21,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:21,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:43:21,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:21,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:43:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:21,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:43:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:21,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:43:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:21,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:43:21,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:21,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:43:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:21,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:43:21,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:21,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:43:21,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:21,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:43:21,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:21,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:43:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:22,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:43:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:22,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:43:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:22,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:43:22,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:22,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:43:22,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:22,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:43:22,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:22,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:43:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:22,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:43:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:22,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:43:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:22,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:43:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:22,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:43:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:22,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:43:22,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:22,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921002192] [2024-11-13 14:43:22,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921002192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:22,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:43:22,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 14:43:22,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007092657] [2024-11-13 14:43:22,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:22,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:43:22,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:22,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:43:22,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:43:22,041 INFO L87 Difference]: Start difference. First operand 3747 states and 4421 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) [2024-11-13 14:43:23,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:23,315 INFO L93 Difference]: Finished difference Result 7729 states and 9140 transitions. [2024-11-13 14:43:23,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:43:23,316 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 [2024-11-13 14:43:23,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:23,332 INFO L225 Difference]: With dead ends: 7729 [2024-11-13 14:43:23,333 INFO L226 Difference]: Without dead ends: 4026 [2024-11-13 14:43:23,339 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:43:23,340 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 170 mSDsluCounter, 1235 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 1501 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:43:23,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 1501 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 14:43:23,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4026 states. [2024-11-13 14:43:23,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4026 to 3505. [2024-11-13 14:43:23,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3505 states, 3229 states have (on average 1.1532982347476) internal successors, (3724), 3253 states have internal predecessors, (3724), 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) [2024-11-13 14:43:23,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3505 states to 3505 states and 4118 transitions. [2024-11-13 14:43:23,777 INFO L78 Accepts]: Start accepts. Automaton has 3505 states and 4118 transitions. Word has length 193 [2024-11-13 14:43:23,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:23,777 INFO L471 AbstractCegarLoop]: Abstraction has 3505 states and 4118 transitions. [2024-11-13 14:43:23,777 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) [2024-11-13 14:43:23,777 INFO L276 IsEmpty]: Start isEmpty. Operand 3505 states and 4118 transitions. [2024-11-13 14:43:23,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-13 14:43:23,782 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:23,782 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] [2024-11-13 14:43:23,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-13 14:43:23,782 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:43:23,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:23,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1600597853, now seen corresponding path program 1 times [2024-11-13 14:43:23,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:23,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635475162] [2024-11-13 14:43:23,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:23,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:23,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:24,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:43:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:24,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:43:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:24,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:43:24,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:24,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:43:24,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:24,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:43:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:24,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:43:24,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:24,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:43:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:24,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:43:24,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:24,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:43:24,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:24,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:43:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:24,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:43:24,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:24,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:43:24,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:24,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:43:24,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:24,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:43:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:24,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:43:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:24,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:43:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:24,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:43:24,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:24,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:43:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:24,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:43:24,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:24,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:43:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:24,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:43:24,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:24,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:43:24,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:24,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:43:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:24,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:43:24,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:24,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635475162] [2024-11-13 14:43:24,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635475162] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:24,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:43:24,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:43:24,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485440877] [2024-11-13 14:43:24,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:24,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:43:24,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:24,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:43:24,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:43:24,349 INFO L87 Difference]: Start difference. First operand 3505 states and 4118 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) [2024-11-13 14:43:24,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:24,946 INFO L93 Difference]: Finished difference Result 6972 states and 8191 transitions. [2024-11-13 14:43:24,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 14:43:24,946 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 [2024-11-13 14:43:24,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:24,958 INFO L225 Difference]: With dead ends: 6972 [2024-11-13 14:43:24,959 INFO L226 Difference]: Without dead ends: 3511 [2024-11-13 14:43:24,963 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:43:24,964 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 226 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 921 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:43:24,965 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 921 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:43:24,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3511 states. [2024-11-13 14:43:25,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3511 to 3497. [2024-11-13 14:43:25,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3497 states, 3220 states have (on average 1.15) internal successors, (3703), 3244 states have internal predecessors, (3703), 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) [2024-11-13 14:43:25,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3497 states to 3497 states and 4097 transitions. [2024-11-13 14:43:25,663 INFO L78 Accepts]: Start accepts. Automaton has 3497 states and 4097 transitions. Word has length 193 [2024-11-13 14:43:25,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:25,664 INFO L471 AbstractCegarLoop]: Abstraction has 3497 states and 4097 transitions. [2024-11-13 14:43:25,664 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) [2024-11-13 14:43:25,664 INFO L276 IsEmpty]: Start isEmpty. Operand 3497 states and 4097 transitions. [2024-11-13 14:43:25,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-13 14:43:25,669 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:25,670 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:43:25,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-13 14:43:25,670 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:43:25,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:25,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1342432415, now seen corresponding path program 1 times [2024-11-13 14:43:25,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:25,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223649735] [2024-11-13 14:43:25,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:25,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:25,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:26,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:43:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:26,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:43:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:26,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:43:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:26,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:43:26,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:26,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:43:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:26,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:43:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:26,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:43:26,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:26,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:43:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:26,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:43:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:26,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:43:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:26,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:43:26,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:26,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:43:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:26,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:43:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:26,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:43:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:26,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:43:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:26,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:43:26,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:26,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:43:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:26,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:43:26,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:26,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:43:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:26,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:43:26,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:26,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:43:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:26,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:43:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:26,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:43:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:26,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:43:26,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:26,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223649735] [2024-11-13 14:43:26,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223649735] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:26,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:43:26,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:43:26,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307594052] [2024-11-13 14:43:26,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:26,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:43:26,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:26,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:43:26,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:43:26,100 INFO L87 Difference]: Start difference. First operand 3497 states and 4097 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) [2024-11-13 14:43:26,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:26,832 INFO L93 Difference]: Finished difference Result 6920 states and 8106 transitions. [2024-11-13 14:43:26,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:43:26,832 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 [2024-11-13 14:43:26,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:26,847 INFO L225 Difference]: With dead ends: 6920 [2024-11-13 14:43:26,847 INFO L226 Difference]: Without dead ends: 3467 [2024-11-13 14:43:26,852 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 [2024-11-13 14:43:26,853 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 149 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:43:26,854 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 561 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:43:26,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3467 states. [2024-11-13 14:43:27,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3467 to 2815. [2024-11-13 14:43:27,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2815 states, 2611 states have (on average 1.1463040980467254) internal successors, (2993), 2628 states have internal predecessors, (2993), 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) [2024-11-13 14:43:27,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2815 states to 2815 states and 3283 transitions. [2024-11-13 14:43:27,622 INFO L78 Accepts]: Start accepts. Automaton has 2815 states and 3283 transitions. Word has length 193 [2024-11-13 14:43:27,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:27,623 INFO L471 AbstractCegarLoop]: Abstraction has 2815 states and 3283 transitions. [2024-11-13 14:43:27,623 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) [2024-11-13 14:43:27,623 INFO L276 IsEmpty]: Start isEmpty. Operand 2815 states and 3283 transitions. [2024-11-13 14:43:27,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-13 14:43:27,629 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:27,629 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] [2024-11-13 14:43:27,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-13 14:43:27,630 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:43:27,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:27,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1266203826, now seen corresponding path program 1 times [2024-11-13 14:43:27,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:27,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642335914] [2024-11-13 14:43:27,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:27,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:27,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:28,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:43:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:28,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:43:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:28,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:43:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:28,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:43:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:28,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:43:28,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:28,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:43:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:28,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:43:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:28,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:43:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:28,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:43:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:28,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:43:28,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:28,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:43:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:28,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:43:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:28,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:43:28,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:28,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:43:28,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:28,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:43:28,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:28,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:43:28,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:28,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:43:28,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:28,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:43:28,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:28,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:43:28,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:28,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:43:28,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:28,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:43:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:28,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:43:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:28,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:43:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:28,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 9 proven. 57 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-13 14:43:28,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:28,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642335914] [2024-11-13 14:43:28,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642335914] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:43:28,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932937500] [2024-11-13 14:43:28,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:28,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:43:28,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:43:28,301 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:43:28,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 14:43:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:28,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-13 14:43:28,830 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:43:29,311 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 [2024-11-13 14:43:29,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 42 proven. 480 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-11-13 14:43:29,725 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:43:30,136 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 32 treesize of output 28 [2024-11-13 14:43:30,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-13 14:43:30,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932937500] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:43:30,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:43:30,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 21 [2024-11-13 14:43:30,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649809795] [2024-11-13 14:43:30,407 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:43:30,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-13 14:43:30,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:30,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-13 14:43:30,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2024-11-13 14:43:30,410 INFO L87 Difference]: Start difference. First operand 2815 states and 3283 transitions. Second operand has 21 states, 18 states have (on average 7.833333333333333) internal successors, (141), 20 states have internal predecessors, (141), 8 states have call successors, (69), 3 states have call predecessors, (69), 6 states have return successors, (69), 6 states have call predecessors, (69), 8 states have call successors, (69) [2024-11-13 14:43:32,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:32,664 INFO L93 Difference]: Finished difference Result 5059 states and 5883 transitions. [2024-11-13 14:43:32,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-13 14:43:32,664 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 18 states have (on average 7.833333333333333) internal successors, (141), 20 states have internal predecessors, (141), 8 states have call successors, (69), 3 states have call predecessors, (69), 6 states have return successors, (69), 6 states have call predecessors, (69), 8 states have call successors, (69) Word has length 193 [2024-11-13 14:43:32,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:32,673 INFO L225 Difference]: With dead ends: 5059 [2024-11-13 14:43:32,673 INFO L226 Difference]: Without dead ends: 2247 [2024-11-13 14:43:32,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 420 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=423, Invalid=1647, Unknown=0, NotChecked=0, Total=2070 [2024-11-13 14:43:32,679 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 587 mSDsluCounter, 1151 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 587 SdHoareTripleChecker+Valid, 1313 SdHoareTripleChecker+Invalid, 945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 14:43:32,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [587 Valid, 1313 Invalid, 945 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [199 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 14:43:32,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2247 states. [2024-11-13 14:43:33,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2247 to 1614. [2024-11-13 14:43:33,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1614 states, 1464 states have (on average 1.144808743169399) internal successors, (1676), 1473 states have internal predecessors, (1676), 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) [2024-11-13 14:43:33,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1614 states to 1614 states and 1886 transitions. [2024-11-13 14:43:33,024 INFO L78 Accepts]: Start accepts. Automaton has 1614 states and 1886 transitions. Word has length 193 [2024-11-13 14:43:33,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:33,025 INFO L471 AbstractCegarLoop]: Abstraction has 1614 states and 1886 transitions. [2024-11-13 14:43:33,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 18 states have (on average 7.833333333333333) internal successors, (141), 20 states have internal predecessors, (141), 8 states have call successors, (69), 3 states have call predecessors, (69), 6 states have return successors, (69), 6 states have call predecessors, (69), 8 states have call successors, (69) [2024-11-13 14:43:33,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1614 states and 1886 transitions. [2024-11-13 14:43:33,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-13 14:43:33,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:33,028 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] [2024-11-13 14:43:33,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 14:43:33,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:43:33,232 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:43:33,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:33,233 INFO L85 PathProgramCache]: Analyzing trace with hash 950756437, now seen corresponding path program 1 times [2024-11-13 14:43:33,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:33,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140131478] [2024-11-13 14:43:33,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:33,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:33,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:43:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:33,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:43:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:33,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:43:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:43:34,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:43:34,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:43:34,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:43:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:43:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:43:34,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:43:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:43:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:43:34,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:43:34,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:43:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:43:34,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:43:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:43:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:43:34,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:43:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:43:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:43:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:43:34,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:43:34,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 36 proven. 30 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-13 14:43:34,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:34,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140131478] [2024-11-13 14:43:34,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140131478] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:43:34,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141427312] [2024-11-13 14:43:34,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:34,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:43:34,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:43:34,131 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:43:34,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 14:43:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:34,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 14:43:34,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:43:34,985 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 [2024-11-13 14:43:35,338 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 [2024-11-13 14:43:35,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 10 proven. 558 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2024-11-13 14:43:35,377 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:43:35,766 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 [2024-11-13 14:43:35,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 36 proven. 30 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-13 14:43:35,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1141427312] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:43:35,965 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:43:35,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 17 [2024-11-13 14:43:35,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336844148] [2024-11-13 14:43:35,965 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:43:35,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-13 14:43:35,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:35,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-13 14:43:35,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-11-13 14:43:35,968 INFO L87 Difference]: Start difference. First operand 1614 states and 1886 transitions. Second operand has 17 states, 13 states have (on average 10.076923076923077) internal successors, (131), 16 states have internal predecessors, (131), 6 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (48), 3 states have call predecessors, (48), 6 states have call successors, (48) [2024-11-13 14:43:37,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:37,209 INFO L93 Difference]: Finished difference Result 2844 states and 3315 transitions. [2024-11-13 14:43:37,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 14:43:37,210 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 13 states have (on average 10.076923076923077) internal successors, (131), 16 states have internal predecessors, (131), 6 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (48), 3 states have call predecessors, (48), 6 states have call successors, (48) Word has length 196 [2024-11-13 14:43:37,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:37,217 INFO L225 Difference]: With dead ends: 2844 [2024-11-13 14:43:37,217 INFO L226 Difference]: Without dead ends: 1286 [2024-11-13 14:43:37,220 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 460 GetRequests, 429 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=183, Invalid=747, Unknown=0, NotChecked=0, Total=930 [2024-11-13 14:43:37,220 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 439 mSDsluCounter, 1170 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 439 SdHoareTripleChecker+Valid, 1336 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 14:43:37,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [439 Valid, 1336 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 14:43:37,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2024-11-13 14:43:37,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 1230. [2024-11-13 14:43:37,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1230 states, 1115 states have (on average 1.1417040358744395) internal successors, (1273), 1121 states have internal predecessors, (1273), 79 states have call successors, (79), 35 states have call predecessors, (79), 35 states have return successors, (79), 73 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-13 14:43:37,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 1230 states and 1431 transitions. [2024-11-13 14:43:37,500 INFO L78 Accepts]: Start accepts. Automaton has 1230 states and 1431 transitions. Word has length 196 [2024-11-13 14:43:37,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:37,500 INFO L471 AbstractCegarLoop]: Abstraction has 1230 states and 1431 transitions. [2024-11-13 14:43:37,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 13 states have (on average 10.076923076923077) internal successors, (131), 16 states have internal predecessors, (131), 6 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (48), 3 states have call predecessors, (48), 6 states have call successors, (48) [2024-11-13 14:43:37,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1431 transitions. [2024-11-13 14:43:37,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-13 14:43:37,503 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:37,503 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:43:37,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 14:43:37,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-11-13 14:43:37,704 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:43:37,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:37,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1556348644, now seen corresponding path program 1 times [2024-11-13 14:43:37,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:37,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384764791] [2024-11-13 14:43:37,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:37,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:37,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:43:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:37,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:43:37,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:37,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:43:37,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:37,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:43:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:37,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:43:37,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:37,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:43:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:37,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:43:37,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:37,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:43:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:37,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:43:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:37,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:43:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:37,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:43:37,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:37,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:43:37,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:37,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:43:37,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:37,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:43:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:37,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:43:37,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:37,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:43:37,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:37,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:43:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:37,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:43:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:37,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:43:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:37,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:43:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:37,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:43:37,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:37,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:43:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:37,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:43:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:37,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:43:37,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:37,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384764791] [2024-11-13 14:43:37,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384764791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:37,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:43:37,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:43:37,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250878046] [2024-11-13 14:43:37,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:37,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:43:37,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:37,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:43:37,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:43:37,903 INFO L87 Difference]: Start difference. First operand 1230 states and 1431 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 14:43:38,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:38,257 INFO L93 Difference]: Finished difference Result 2137 states and 2493 transitions. [2024-11-13 14:43:38,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:43:38,257 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (23), 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 196 [2024-11-13 14:43:38,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:38,264 INFO L225 Difference]: With dead ends: 2137 [2024-11-13 14:43:38,264 INFO L226 Difference]: Without dead ends: 967 [2024-11-13 14:43:38,266 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 [2024-11-13 14:43:38,266 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 1 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 495 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 [2024-11-13 14:43:38,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 495 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:43:38,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 967 states. [2024-11-13 14:43:38,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 967 to 967. [2024-11-13 14:43:38,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 967 states, 852 states have (on average 1.1326291079812207) internal successors, (965), 858 states have internal predecessors, (965), 79 states have call successors, (79), 35 states have call predecessors, (79), 35 states have return successors, (79), 73 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-13 14:43:38,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 967 states and 1123 transitions. [2024-11-13 14:43:38,600 INFO L78 Accepts]: Start accepts. Automaton has 967 states and 1123 transitions. Word has length 196 [2024-11-13 14:43:38,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:38,601 INFO L471 AbstractCegarLoop]: Abstraction has 967 states and 1123 transitions. [2024-11-13 14:43:38,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 14:43:38,601 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1123 transitions. [2024-11-13 14:43:38,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-13 14:43:38,603 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:38,603 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:43:38,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-13 14:43:38,604 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:43:38,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:38,604 INFO L85 PathProgramCache]: Analyzing trace with hash -957754091, now seen corresponding path program 1 times [2024-11-13 14:43:38,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:38,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430696305] [2024-11-13 14:43:38,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:38,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:39,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:43:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:39,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:43:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:39,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:43:39,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:39,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:43:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:39,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:43:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:39,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:43:39,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:39,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:43:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:39,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:43:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:39,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:43:39,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:39,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:43:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:39,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:43:39,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:39,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:43:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:39,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:43:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:39,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:43:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:39,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:43:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:39,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:43:39,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:39,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:43:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:39,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:43:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:39,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:43:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:39,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:43:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:39,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:43:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:39,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:43:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:39,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:43:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:39,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 30 proven. 36 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-13 14:43:39,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:39,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430696305] [2024-11-13 14:43:39,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430696305] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:43:39,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [996807681] [2024-11-13 14:43:39,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:39,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:43:39,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:43:39,382 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:43:39,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 14:43:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:39,884 INFO L255 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 14:43:39,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:43:40,022 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 [2024-11-13 14:43:40,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2024-11-13 14:43:40,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 17 proven. 411 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2024-11-13 14:43:40,420 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:43:40,806 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 [2024-11-13 14:43:40,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 15 proven. 51 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-13 14:43:40,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [996807681] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:43:40,873 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:43:40,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 9] total 17 [2024-11-13 14:43:40,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292245658] [2024-11-13 14:43:40,873 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:43:40,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-13 14:43:40,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:40,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-13 14:43:40,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2024-11-13 14:43:40,875 INFO L87 Difference]: Start difference. First operand 967 states and 1123 transitions. Second operand has 17 states, 14 states have (on average 9.785714285714286) internal successors, (137), 16 states have internal predecessors, (137), 8 states have call successors, (69), 3 states have call predecessors, (69), 5 states have return successors, (69), 6 states have call predecessors, (69), 8 states have call successors, (69) [2024-11-13 14:43:42,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:42,522 INFO L93 Difference]: Finished difference Result 1375 states and 1591 transitions. [2024-11-13 14:43:42,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-13 14:43:42,523 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 9.785714285714286) internal successors, (137), 16 states have internal predecessors, (137), 8 states have call successors, (69), 3 states have call predecessors, (69), 5 states have return successors, (69), 6 states have call predecessors, (69), 8 states have call successors, (69) Word has length 196 [2024-11-13 14:43:42,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:42,526 INFO L225 Difference]: With dead ends: 1375 [2024-11-13 14:43:42,527 INFO L226 Difference]: Without dead ends: 468 [2024-11-13 14:43:42,529 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 432 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=374, Invalid=1266, Unknown=0, NotChecked=0, Total=1640 [2024-11-13 14:43:42,529 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 523 mSDsluCounter, 733 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 14:43:42,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 878 Invalid, 740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 14:43:42,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2024-11-13 14:43:42,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 353. [2024-11-13 14:43:42,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 296 states have (on average 1.1114864864864864) internal successors, (329), 297 states have internal predecessors, (329), 37 states have call successors, (37), 19 states have call predecessors, (37), 19 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-13 14:43:42,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 403 transitions. [2024-11-13 14:43:42,645 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 403 transitions. Word has length 196 [2024-11-13 14:43:42,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:42,645 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 403 transitions. [2024-11-13 14:43:42,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 9.785714285714286) internal successors, (137), 16 states have internal predecessors, (137), 8 states have call successors, (69), 3 states have call predecessors, (69), 5 states have return successors, (69), 6 states have call predecessors, (69), 8 states have call successors, (69) [2024-11-13 14:43:42,646 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 403 transitions. [2024-11-13 14:43:42,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-13 14:43:42,646 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:42,647 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] [2024-11-13 14:43:42,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-13 14:43:42,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-13 14:43:42,847 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:43:42,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:42,848 INFO L85 PathProgramCache]: Analyzing trace with hash 538401264, now seen corresponding path program 1 times [2024-11-13 14:43:42,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:42,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116274630] [2024-11-13 14:43:42,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:42,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:43,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:43:43,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:43,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:43:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:43,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:43:43,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:43,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:43:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:43,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:43:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:43,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:43:43,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:43,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:43:43,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:43,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:43:43,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:43,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:43:43,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:43,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:43:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:43,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:43:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:43,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:43:43,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:43,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:43:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:43,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:43:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:43,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:43:43,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:43,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:43:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:43,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:43:43,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:43,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:43:43,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:43,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:43:43,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:43,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:43:43,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:43,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:43:43,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:43,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:43:43,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:43,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:43:43,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:43,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:43:43,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:43,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116274630] [2024-11-13 14:43:43,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116274630] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:43,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:43:43,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:43:43,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809255320] [2024-11-13 14:43:43,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:43,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:43:43,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:43,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:43:43,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:43:43,408 INFO L87 Difference]: Start difference. First operand 353 states and 403 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 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) [2024-11-13 14:43:43,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:43,720 INFO L93 Difference]: Finished difference Result 642 states and 736 transitions. [2024-11-13 14:43:43,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:43:43,721 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 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 [2024-11-13 14:43:43,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:43,724 INFO L225 Difference]: With dead ends: 642 [2024-11-13 14:43:43,724 INFO L226 Difference]: Without dead ends: 353 [2024-11-13 14:43:43,725 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 [2024-11-13 14:43:43,725 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 128 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 419 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 [2024-11-13 14:43:43,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 419 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:43:43,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2024-11-13 14:43:43,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2024-11-13 14:43:43,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 296 states have (on average 1.1081081081081081) internal successors, (328), 297 states have internal predecessors, (328), 37 states have call successors, (37), 19 states have call predecessors, (37), 19 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-13 14:43:43,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 402 transitions. [2024-11-13 14:43:43,897 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 402 transitions. Word has length 198 [2024-11-13 14:43:43,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:43,898 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 402 transitions. [2024-11-13 14:43:43,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 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) [2024-11-13 14:43:43,898 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 402 transitions. [2024-11-13 14:43:43,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-13 14:43:43,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:43,899 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] [2024-11-13 14:43:43,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-13 14:43:43,900 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:43:43,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:43,900 INFO L85 PathProgramCache]: Analyzing trace with hash 455548341, now seen corresponding path program 1 times [2024-11-13 14:43:43,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:43,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669278918] [2024-11-13 14:43:43,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:43,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:44,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:43:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:44,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:43:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:44,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:43:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:44,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:43:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:44,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:43:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:44,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:43:44,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:44,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:43:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:44,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:43:44,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:44,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:43:44,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:44,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:43:44,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:44,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:43:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:44,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:43:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:44,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:43:44,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:44,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:43:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:44,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:43:44,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:44,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:43:44,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:44,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:43:44,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:44,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:43:44,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:44,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:43:44,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:44,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:43:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:44,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:43:44,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:44,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:43:44,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:44,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:43:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:44,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 21 proven. 45 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-13 14:43:44,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:44,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669278918] [2024-11-13 14:43:44,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669278918] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:43:44,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1492203468] [2024-11-13 14:43:44,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:44,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:43:44,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:43:44,599 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:43:44,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 14:43:45,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:45,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 743 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 14:43:45,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:43:45,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 59 [2024-11-13 14:43:45,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2024-11-13 14:43:45,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2024-11-13 14:43:45,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 53 [2024-11-13 14:43:45,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2024-11-13 14:43:45,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:43:45,958 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:43:45,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1492203468] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:45,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:43:45,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 18 [2024-11-13 14:43:45,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031073944] [2024-11-13 14:43:45,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:45,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:43:45,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:45,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:43:45,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=272, Unknown=0, NotChecked=0, Total=306 [2024-11-13 14:43:45,960 INFO L87 Difference]: Start difference. First operand 353 states and 402 transitions. Second operand has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 9 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) [2024-11-13 14:43:46,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:46,760 INFO L93 Difference]: Finished difference Result 877 states and 999 transitions. [2024-11-13 14:43:46,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:43:46,761 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 9 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 [2024-11-13 14:43:46,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:46,763 INFO L225 Difference]: With dead ends: 877 [2024-11-13 14:43:46,763 INFO L226 Difference]: Without dead ends: 588 [2024-11-13 14:43:46,764 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2024-11-13 14:43:46,764 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 93 mSDsluCounter, 1271 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 1474 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:43:46,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 1474 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 14:43:46,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2024-11-13 14:43:46,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 585. [2024-11-13 14:43:46,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 501 states have (on average 1.1137724550898203) internal successors, (558), 503 states have internal predecessors, (558), 53 states have call successors, (53), 30 states have call predecessors, (53), 30 states have return successors, (53), 51 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-13 14:43:46,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 664 transitions. [2024-11-13 14:43:46,975 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 664 transitions. Word has length 200 [2024-11-13 14:43:46,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:46,976 INFO L471 AbstractCegarLoop]: Abstraction has 585 states and 664 transitions. [2024-11-13 14:43:46,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 9 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) [2024-11-13 14:43:46,976 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 664 transitions. [2024-11-13 14:43:46,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-13 14:43:46,977 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:46,978 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] [2024-11-13 14:43:47,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-13 14:43:47,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-11-13 14:43:47,179 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:43:47,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:47,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1135606711, now seen corresponding path program 1 times [2024-11-13 14:43:47,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:47,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525652765] [2024-11-13 14:43:47,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:47,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:47,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:43:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:47,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:43:47,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:47,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:43:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:47,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:43:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:47,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:43:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:47,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:43:47,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:47,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:43:47,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:47,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:43:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:47,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:43:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:47,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:43:47,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:47,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:43:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:47,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:43:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:47,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:43:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:47,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:43:47,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:47,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:43:47,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:47,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:43:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:47,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:43:47,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:47,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:43:47,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:47,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:43:47,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:47,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:43:47,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:47,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:43:47,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:47,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:43:47,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:47,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:43:47,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:47,411 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:43:47,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:47,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525652765] [2024-11-13 14:43:47,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525652765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:47,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:43:47,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:43:47,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736760644] [2024-11-13 14:43:47,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:47,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:43:47,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:47,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:43:47,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:43:47,413 INFO L87 Difference]: Start difference. First operand 585 states and 664 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) [2024-11-13 14:43:47,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:47,700 INFO L93 Difference]: Finished difference Result 1117 states and 1267 transitions. [2024-11-13 14:43:47,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:43:47,700 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 [2024-11-13 14:43:47,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:47,704 INFO L225 Difference]: With dead ends: 1117 [2024-11-13 14:43:47,705 INFO L226 Difference]: Without dead ends: 596 [2024-11-13 14:43:47,706 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 [2024-11-13 14:43:47,706 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 87 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 597 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 [2024-11-13 14:43:47,707 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 597 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:43:47,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2024-11-13 14:43:47,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 587. [2024-11-13 14:43:47,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 501 states have (on average 1.1097804391217565) internal successors, (556), 503 states have internal predecessors, (556), 54 states have call successors, (54), 31 states have call predecessors, (54), 31 states have return successors, (54), 52 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-13 14:43:47,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 664 transitions. [2024-11-13 14:43:47,992 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 664 transitions. Word has length 200 [2024-11-13 14:43:47,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:47,993 INFO L471 AbstractCegarLoop]: Abstraction has 587 states and 664 transitions. [2024-11-13 14:43:47,993 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) [2024-11-13 14:43:47,993 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 664 transitions. [2024-11-13 14:43:47,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-13 14:43:47,995 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:47,995 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] [2024-11-13 14:43:47,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-11-13 14:43:47,995 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:43:47,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:47,996 INFO L85 PathProgramCache]: Analyzing trace with hash 703694835, now seen corresponding path program 1 times [2024-11-13 14:43:47,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:47,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805984807] [2024-11-13 14:43:47,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:47,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:48,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:43:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:48,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:43:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:48,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:43:48,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:48,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:43:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:48,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:43:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:48,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:43:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:48,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:43:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:48,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:43:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:48,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:43:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:48,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:43:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:48,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:43:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:48,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:43:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:48,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:43:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:48,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:43:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:48,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:43:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:48,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:43:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:48,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:43:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:48,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:43:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:48,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:43:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:48,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:43:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:48,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:43:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:48,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:43:48,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:48,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:43:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:48,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:43:48,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:48,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805984807] [2024-11-13 14:43:48,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805984807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:48,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:43:48,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:43:48,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630287770] [2024-11-13 14:43:48,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:48,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:43:48,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:48,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:43:48,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:43:48,269 INFO L87 Difference]: Start difference. First operand 587 states and 664 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) [2024-11-13 14:43:48,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:48,696 INFO L93 Difference]: Finished difference Result 1111 states and 1257 transitions. [2024-11-13 14:43:48,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:43:48,697 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 [2024-11-13 14:43:48,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:48,701 INFO L225 Difference]: With dead ends: 1111 [2024-11-13 14:43:48,702 INFO L226 Difference]: Without dead ends: 594 [2024-11-13 14:43:48,703 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 [2024-11-13 14:43:48,703 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 86 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 904 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 [2024-11-13 14:43:48,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 904 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:43:48,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2024-11-13 14:43:48,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 506. [2024-11-13 14:43:48,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 446 states have (on average 1.1143497757847534) internal successors, (497), 447 states have internal predecessors, (497), 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) [2024-11-13 14:43:48,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 573 transitions. [2024-11-13 14:43:48,845 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 573 transitions. Word has length 200 [2024-11-13 14:43:48,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:48,846 INFO L471 AbstractCegarLoop]: Abstraction has 506 states and 573 transitions. [2024-11-13 14:43:48,846 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) [2024-11-13 14:43:48,846 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 573 transitions. [2024-11-13 14:43:48,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-13 14:43:48,847 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:48,847 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] [2024-11-13 14:43:48,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-11-13 14:43:48,847 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:43:48,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:48,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1383753205, now seen corresponding path program 1 times [2024-11-13 14:43:48,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:48,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554082657] [2024-11-13 14:43:48,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:48,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:49,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:43:49,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:49,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:43:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:49,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:43:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:49,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:43:49,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:49,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:43:49,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:49,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:43:49,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:49,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:43:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:49,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:43:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:49,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:43:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:49,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:43:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:49,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:43:49,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:49,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:43:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:49,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:43:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:49,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:43:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:49,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:43:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:49,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:43:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:49,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:43:49,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:49,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:43:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:49,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:43:49,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:49,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:43:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:49,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:43:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:49,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:43:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:49,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:43:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:49,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:43:49,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:49,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554082657] [2024-11-13 14:43:49,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554082657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:49,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:43:49,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 14:43:49,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030553633] [2024-11-13 14:43:49,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:49,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:43:49,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:49,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:43:49,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:43:49,770 INFO L87 Difference]: Start difference. First operand 506 states and 573 transitions. Second operand has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 9 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) [2024-11-13 14:43:50,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:50,308 INFO L93 Difference]: Finished difference Result 1100 states and 1248 transitions. [2024-11-13 14:43:50,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 14:43:50,308 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 9 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 [2024-11-13 14:43:50,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:50,312 INFO L225 Difference]: With dead ends: 1100 [2024-11-13 14:43:50,312 INFO L226 Difference]: Without dead ends: 664 [2024-11-13 14:43:50,313 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 [2024-11-13 14:43:50,314 INFO L432 NwaCegarLoop]: 307 mSDtfsCounter, 127 mSDsluCounter, 1937 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 2244 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 [2024-11-13 14:43:50,314 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 2244 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:43:50,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2024-11-13 14:43:50,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 502. [2024-11-13 14:43:50,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 442 states have (on average 1.1131221719457014) internal successors, (492), 443 states have internal predecessors, (492), 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) [2024-11-13 14:43:50,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 568 transitions. [2024-11-13 14:43:50,520 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 568 transitions. Word has length 200 [2024-11-13 14:43:50,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:50,520 INFO L471 AbstractCegarLoop]: Abstraction has 502 states and 568 transitions. [2024-11-13 14:43:50,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 9 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) [2024-11-13 14:43:50,520 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 568 transitions. [2024-11-13 14:43:50,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-13 14:43:50,522 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:50,522 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] [2024-11-13 14:43:50,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-11-13 14:43:50,523 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:43:50,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:50,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1797325209, now seen corresponding path program 1 times [2024-11-13 14:43:50,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:50,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637861123] [2024-11-13 14:43:50,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:50,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:50,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:51,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:43:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:51,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:43:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:51,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:43:51,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:51,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:43:51,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:51,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:43:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:51,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:43:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:51,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:43:51,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:51,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:43:51,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:51,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:43:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:51,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:43:51,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:51,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:43:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:51,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:43:51,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:51,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:43:51,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:51,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:43:51,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:51,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:43:51,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:51,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:43:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:51,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:43:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:51,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:43:51,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:51,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:43:51,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:51,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:43:51,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:51,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:43:51,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:51,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:43:51,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:51,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:43:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:51,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:43:51,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:51,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637861123] [2024-11-13 14:43:51,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637861123] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:51,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:43:51,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 14:43:51,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329264788] [2024-11-13 14:43:51,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:51,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 14:43:51,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:51,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 14:43:51,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:43:51,466 INFO L87 Difference]: Start difference. First operand 502 states and 568 transitions. Second operand has 10 states, 10 states have (on average 9.0) internal successors, (90), 10 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) [2024-11-13 14:43:51,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:51,909 INFO L93 Difference]: Finished difference Result 630 states and 703 transitions. [2024-11-13 14:43:51,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 14:43:51,910 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.0) internal successors, (90), 10 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 [2024-11-13 14:43:51,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:51,914 INFO L225 Difference]: With dead ends: 630 [2024-11-13 14:43:51,914 INFO L226 Difference]: Without dead ends: 628 [2024-11-13 14:43:51,914 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 [2024-11-13 14:43:51,915 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 100 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 1124 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:43:51,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 1124 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:43:51,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2024-11-13 14:43:52,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 593. [2024-11-13 14:43:52,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 533 states have (on average 1.103189493433396) internal successors, (588), 534 states have internal predecessors, (588), 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) [2024-11-13 14:43:52,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 664 transitions. [2024-11-13 14:43:52,138 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 664 transitions. Word has length 202 [2024-11-13 14:43:52,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:52,139 INFO L471 AbstractCegarLoop]: Abstraction has 593 states and 664 transitions. [2024-11-13 14:43:52,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.0) internal successors, (90), 10 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) [2024-11-13 14:43:52,139 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 664 transitions. [2024-11-13 14:43:52,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-13 14:43:52,141 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:52,141 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] [2024-11-13 14:43:52,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-11-13 14:43:52,142 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:43:52,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:52,142 INFO L85 PathProgramCache]: Analyzing trace with hash 2097090444, now seen corresponding path program 1 times [2024-11-13 14:43:52,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:52,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676612822] [2024-11-13 14:43:52,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:52,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:52,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:53,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:43:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:53,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:43:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:53,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:43:53,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:53,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:43:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:53,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:43:53,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:53,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:43:53,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:53,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:43:53,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:53,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:43:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:53,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:43:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:53,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:43:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:53,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:43:53,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:53,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:43:53,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:53,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:43:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:53,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:43:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:53,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:43:53,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:53,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:43:53,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:53,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:43:53,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:53,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:43:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:53,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:43:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:53,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:43:53,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:53,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:43:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:53,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:43:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:53,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:43:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:53,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 27 proven. 39 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-13 14:43:53,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:53,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676612822] [2024-11-13 14:43:53,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676612822] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:43:53,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366444705] [2024-11-13 14:43:53,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:53,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:43:53,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:43:53,380 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:43:53,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 14:43:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:53,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 14:43:53,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:43:54,115 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 [2024-11-13 14:43:54,463 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 [2024-11-13 14:43:54,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 15 proven. 493 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2024-11-13 14:43:54,525 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:43:54,943 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 [2024-11-13 14:43:55,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 21 proven. 45 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-13 14:43:55,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366444705] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:43:55,026 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:43:55,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 10, 11] total 25 [2024-11-13 14:43:55,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518425320] [2024-11-13 14:43:55,026 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:43:55,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-13 14:43:55,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:55,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-13 14:43:55,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=540, Unknown=0, NotChecked=0, Total=600 [2024-11-13 14:43:55,028 INFO L87 Difference]: Start difference. First operand 593 states and 664 transitions. Second operand has 25 states, 22 states have (on average 8.818181818181818) internal successors, (194), 25 states have internal predecessors, (194), 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) [2024-11-13 14:43:57,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:57,680 INFO L93 Difference]: Finished difference Result 880 states and 988 transitions. [2024-11-13 14:43:57,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-13 14:43:57,681 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 22 states have (on average 8.818181818181818) internal successors, (194), 25 states have internal predecessors, (194), 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 204 [2024-11-13 14:43:57,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:57,685 INFO L225 Difference]: With dead ends: 880 [2024-11-13 14:43:57,686 INFO L226 Difference]: Without dead ends: 357 [2024-11-13 14:43:57,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 506 GetRequests, 446 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 655 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=627, Invalid=3033, Unknown=0, NotChecked=0, Total=3660 [2024-11-13 14:43:57,688 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 361 mSDsluCounter, 1464 mSDsCounter, 0 mSdLazyCounter, 1106 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 1588 SdHoareTripleChecker+Invalid, 1248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 1106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:43:57,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 1588 Invalid, 1248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 1106 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 14:43:57,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-11-13 14:43:57,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 323. [2024-11-13 14:43:57,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 263 states have (on average 1.0760456273764258) internal successors, (283), 264 states have internal predecessors, (283), 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) [2024-11-13 14:43:57,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 359 transitions. [2024-11-13 14:43:57,903 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 359 transitions. Word has length 204 [2024-11-13 14:43:57,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:57,904 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 359 transitions. [2024-11-13 14:43:57,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 22 states have (on average 8.818181818181818) internal successors, (194), 25 states have internal predecessors, (194), 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) [2024-11-13 14:43:57,904 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 359 transitions. [2024-11-13 14:43:57,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-13 14:43:57,906 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:57,906 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] [2024-11-13 14:43:57,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-13 14:43:58,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa170ba2-8ccb-4856-83f7-890436858d19/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:43:58,107 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:43:58,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:58,107 INFO L85 PathProgramCache]: Analyzing trace with hash -112982322, now seen corresponding path program 1 times [2024-11-13 14:43:58,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:58,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390778142] [2024-11-13 14:43:58,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:58,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:58,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:58,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:43:58,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:58,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:43:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:58,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:43:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:58,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:43:58,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:58,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:43:58,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:58,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 14:43:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:58,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:43:58,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:58,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:43:58,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:58,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:43:58,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:58,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:43:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:58,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:43:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:58,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:43:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:58,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:43:58,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:58,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:43:58,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:58,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:43:58,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:58,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:43:58,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:58,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:43:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:58,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:43:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:58,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:43:58,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:58,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:43:58,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:58,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:43:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:58,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:43:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:58,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:43:58,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:58,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 14:43:58,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:58,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390778142] [2024-11-13 14:43:58,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390778142] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:58,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:43:58,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:43:58,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763775338] [2024-11-13 14:43:58,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:58,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:43:58,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:58,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:43:58,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:43:58,576 INFO L87 Difference]: Start difference. First operand 323 states and 359 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 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) [2024-11-13 14:43:58,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:58,816 INFO L93 Difference]: Finished difference Result 569 states and 635 transitions. [2024-11-13 14:43:58,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:43:58,817 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 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 [2024-11-13 14:43:58,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:58,818 INFO L225 Difference]: With dead ends: 569 [2024-11-13 14:43:58,818 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 14:43:58,819 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 [2024-11-13 14:43:58,819 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 62 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:43:58,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 342 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:43:58,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 14:43:58,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 14:43:58,820 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) [2024-11-13 14:43:58,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 14:43:58,821 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 204 [2024-11-13 14:43:58,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:58,821 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 14:43:58,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 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) [2024-11-13 14:43:58,822 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 14:43:58,822 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 14:43:58,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 14:43:58,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-11-13 14:43:58,829 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] [2024-11-13 14:43:58,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 14:44:57,095 WARN L286 SmtUtils]: Spent 58.25s on a formula simplification. DAG size of input: 197 DAG size of output: 111 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or)