./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-90.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_beb9de55-1790-424e-9c2e-a4a4cc271e8d/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9de55-1790-424e-9c2e-a4a4cc271e8d/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_beb9de55-1790-424e-9c2e-a4a4cc271e8d/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9de55-1790-424e-9c2e-a4a4cc271e8d/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-90.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9de55-1790-424e-9c2e-a4a4cc271e8d/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_beb9de55-1790-424e-9c2e-a4a4cc271e8d/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 b03e5164bce3a85426688c5c2210a00154d48f59702228593c435153664697b2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:04:51,632 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:04:51,740 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9de55-1790-424e-9c2e-a4a4cc271e8d/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 16:04:51,747 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:04:51,748 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:04:51,778 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:04:51,779 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:04:51,779 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:04:51,780 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:04:51,780 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:04:51,780 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:04:51,781 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:04:51,781 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:04:51,781 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:04:51,782 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:04:51,782 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:04:51,782 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:04:51,782 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:04:51,783 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:04:51,783 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:04:51,783 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:04:51,783 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:04:51,783 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:04:51,784 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:04:51,784 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:04:51,784 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:04:51,784 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:04:51,784 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:04:51,784 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:04:51,784 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:04:51,784 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:04:51,785 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:04:51,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:04:51,785 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:04:51,785 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:04:51,785 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:04:51,785 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:04:51,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:04:51,785 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:04:51,786 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:04:51,786 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:04:51,786 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:04:51,786 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_beb9de55-1790-424e-9c2e-a4a4cc271e8d/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 -> b03e5164bce3a85426688c5c2210a00154d48f59702228593c435153664697b2 [2024-11-13 16:04:52,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:04:52,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:04:52,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:04:52,247 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:04:52,247 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:04:52,250 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9de55-1790-424e-9c2e-a4a4cc271e8d/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-90.i Unable to find full path for "g++" [2024-11-13 16:04:54,915 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:04:55,327 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:04:55,330 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9de55-1790-424e-9c2e-a4a4cc271e8d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-90.i [2024-11-13 16:04:55,348 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9de55-1790-424e-9c2e-a4a4cc271e8d/bin/uautomizer-verify-qhAvR1uOyd/data/9e5b3a33c/4d0712b0b79041d6ae33b3bd627ea1c9/FLAG02a124623 [2024-11-13 16:04:55,377 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9de55-1790-424e-9c2e-a4a4cc271e8d/bin/uautomizer-verify-qhAvR1uOyd/data/9e5b3a33c/4d0712b0b79041d6ae33b3bd627ea1c9 [2024-11-13 16:04:55,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:04:55,382 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:04:55,386 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:04:55,386 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:04:55,393 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:04:55,394 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:04:55" (1/1) ... [2024-11-13 16:04:55,395 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9173d45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:04:55, skipping insertion in model container [2024-11-13 16:04:55,398 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:04:55" (1/1) ... [2024-11-13 16:04:55,425 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:04:55,660 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_beb9de55-1790-424e-9c2e-a4a4cc271e8d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-90.i[916,929] [2024-11-13 16:04:55,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:04:55,808 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:04:55,822 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_beb9de55-1790-424e-9c2e-a4a4cc271e8d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-90.i[916,929] [2024-11-13 16:04:55,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:04:55,905 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:04:55,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:04:55 WrapperNode [2024-11-13 16:04:55,906 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:04:55,908 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:04:55,908 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:04:55,908 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:04:55,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:04:55" (1/1) ... [2024-11-13 16:04:55,935 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:04:55" (1/1) ... [2024-11-13 16:04:56,003 INFO L138 Inliner]: procedures = 26, calls = 165, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 468 [2024-11-13 16:04:56,003 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:04:56,004 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:04:56,004 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:04:56,004 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:04:56,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:04:55" (1/1) ... [2024-11-13 16:04:56,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:04:55" (1/1) ... [2024-11-13 16:04:56,032 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:04:55" (1/1) ... [2024-11-13 16:04:56,084 INFO L175 MemorySlicer]: Split 130 memory accesses to 5 slices as follows [2, 34, 4, 55, 35]. 42 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 5, 1, 6, 3]. The 19 writes are split as follows [0, 6, 1, 6, 6]. [2024-11-13 16:04:56,084 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:04:55" (1/1) ... [2024-11-13 16:04:56,085 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:04:55" (1/1) ... [2024-11-13 16:04:56,123 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:04:55" (1/1) ... [2024-11-13 16:04:56,137 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:04:55" (1/1) ... [2024-11-13 16:04:56,144 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:04:55" (1/1) ... [2024-11-13 16:04:56,146 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:04:55" (1/1) ... [2024-11-13 16:04:56,159 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:04:56,160 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:04:56,160 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:04:56,161 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:04:56,162 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:04:55" (1/1) ... [2024-11-13 16:04:56,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:04:56,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9de55-1790-424e-9c2e-a4a4cc271e8d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:04:56,221 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9de55-1790-424e-9c2e-a4a4cc271e8d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:04:56,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9de55-1790-424e-9c2e-a4a4cc271e8d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:04:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:04:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 16:04:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 16:04:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 16:04:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-13 16:04:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-13 16:04:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 16:04:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 16:04:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 16:04:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-13 16:04:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-13 16:04:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 16:04:56,270 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 16:04:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 16:04:56,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 16:04:56,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 16:04:56,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 16:04:56,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-13 16:04:56,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:04:56,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:04:56,456 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:04:56,458 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:04:57,204 INFO L? ?]: Removed 112 outVars from TransFormulas that were not future-live. [2024-11-13 16:04:57,205 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:04:57,227 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:04:57,228 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:04:57,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:04:57 BoogieIcfgContainer [2024-11-13 16:04:57,229 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:04:57,234 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:04:57,235 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:04:57,242 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:04:57,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:04:55" (1/3) ... [2024-11-13 16:04:57,243 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@210c71bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:04:57, skipping insertion in model container [2024-11-13 16:04:57,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:04:55" (2/3) ... [2024-11-13 16:04:57,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@210c71bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:04:57, skipping insertion in model container [2024-11-13 16:04:57,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:04:57" (3/3) ... [2024-11-13 16:04:57,247 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-90.i [2024-11-13 16:04:57,296 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:04:57,300 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-90.i that has 2 procedures, 111 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 16:04:57,393 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:04:57,414 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;@28da0c77, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:04:57,414 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 16:04:57,421 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 88 states have (on average 1.375) internal successors, (121), 89 states have internal predecessors, (121), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 16:04:57,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-13 16:04:57,441 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:04:57,442 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:04:57,443 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:04:57,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:04:57,449 INFO L85 PathProgramCache]: Analyzing trace with hash 61971276, now seen corresponding path program 1 times [2024-11-13 16:04:57,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:04:57,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940582705] [2024-11-13 16:04:57,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:04:57,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:04:57,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:57,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:04:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:57,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:04:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:57,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:04:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:57,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:04:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:58,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:04:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:58,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:04:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:58,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:04:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:58,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:04:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:58,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:04:58,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:58,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:04:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:58,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:04:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:58,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:04:58,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:58,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:04:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:58,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:04:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:58,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:04:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:58,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:04:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:58,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:04:58,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:58,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:04:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:58,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:04:58,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:58,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:04:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:58,104 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:04:58,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:04:58,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940582705] [2024-11-13 16:04:58,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940582705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:04:58,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:04:58,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:04:58,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070241797] [2024-11-13 16:04:58,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:04:58,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 16:04:58,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:04:58,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 16:04:58,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 16:04:58,143 INFO L87 Difference]: Start difference. First operand has 111 states, 88 states have (on average 1.375) internal successors, (121), 89 states have internal predecessors, (121), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:04:58,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:04:58,200 INFO L93 Difference]: Finished difference Result 215 states and 336 transitions. [2024-11-13 16:04:58,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 16:04:58,203 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 153 [2024-11-13 16:04:58,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:04:58,215 INFO L225 Difference]: With dead ends: 215 [2024-11-13 16:04:58,215 INFO L226 Difference]: Without dead ends: 107 [2024-11-13 16:04:58,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 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 16:04:58,225 INFO L432 NwaCegarLoop]: 154 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, 154 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 16:04:58,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:04:58,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-13 16:04:58,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2024-11-13 16:04:58,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 85 states have (on average 1.3411764705882352) internal successors, (114), 85 states have internal predecessors, (114), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 16:04:58,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 154 transitions. [2024-11-13 16:04:58,281 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 154 transitions. Word has length 153 [2024-11-13 16:04:58,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:04:58,282 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 154 transitions. [2024-11-13 16:04:58,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:04:58,283 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 154 transitions. [2024-11-13 16:04:58,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-13 16:04:58,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:04:58,288 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:04:58,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 16:04:58,288 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:04:58,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:04:58,289 INFO L85 PathProgramCache]: Analyzing trace with hash 947045156, now seen corresponding path program 1 times [2024-11-13 16:04:58,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:04:58,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753132552] [2024-11-13 16:04:58,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:04:58,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:04:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:58,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:04:58,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:58,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:04:58,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:58,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:04:58,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:58,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:04:58,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:59,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:04:59,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:59,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:04:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:59,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:04:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:59,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:04:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:59,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:04:59,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:59,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:04:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:59,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:04:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:59,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:04:59,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:59,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:04:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:59,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:04:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:59,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:04:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:59,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:04:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:59,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:04:59,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:59,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:04:59,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:59,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:04:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:59,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:04:59,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:04:59,109 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:04:59,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:04:59,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753132552] [2024-11-13 16:04:59,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753132552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:04:59,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:04:59,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:04:59,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887398329] [2024-11-13 16:04:59,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:04:59,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:04:59,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:04:59,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:04:59,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:04:59,120 INFO L87 Difference]: Start difference. First operand 107 states and 154 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:04:59,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:04:59,210 INFO L93 Difference]: Finished difference Result 213 states and 308 transitions. [2024-11-13 16:04:59,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:04:59,211 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 153 [2024-11-13 16:04:59,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:04:59,214 INFO L225 Difference]: With dead ends: 213 [2024-11-13 16:04:59,217 INFO L226 Difference]: Without dead ends: 109 [2024-11-13 16:04:59,218 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 43 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 16:04:59,219 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 0 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:04:59,220 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 445 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:04:59,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-13 16:04:59,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-11-13 16:04:59,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 87 states have (on average 1.3333333333333333) internal successors, (116), 87 states have internal predecessors, (116), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 16:04:59,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 156 transitions. [2024-11-13 16:04:59,254 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 156 transitions. Word has length 153 [2024-11-13 16:04:59,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:04:59,257 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 156 transitions. [2024-11-13 16:04:59,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:04:59,257 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 156 transitions. [2024-11-13 16:04:59,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-13 16:04:59,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:04:59,264 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:04:59,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 16:04:59,265 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:04:59,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:04:59,266 INFO L85 PathProgramCache]: Analyzing trace with hash -652806657, now seen corresponding path program 1 times [2024-11-13 16:04:59,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:04:59,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290508951] [2024-11-13 16:04:59,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:04:59,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:04:59,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:00,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:05:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:00,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:05:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:00,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:05:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:00,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:05:00,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:00,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:05:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:00,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:05:00,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:00,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:05:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:00,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:05:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:00,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:05:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:00,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:05:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:00,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:05:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:00,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:05:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:00,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:05:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:00,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:05:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:00,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:05:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:00,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:05:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:00,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:05:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:00,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:05:00,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:00,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:05:00,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:00,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:05:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:00,269 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:05:00,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:05:00,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290508951] [2024-11-13 16:05:00,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290508951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:05:00,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:05:00,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:05:00,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145020506] [2024-11-13 16:05:00,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:05:00,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 16:05:00,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:05:00,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 16:05:00,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:05:00,275 INFO L87 Difference]: Start difference. First operand 109 states and 156 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:05:00,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:05:00,587 INFO L93 Difference]: Finished difference Result 323 states and 464 transitions. [2024-11-13 16:05:00,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:05:00,590 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 155 [2024-11-13 16:05:00,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:05:00,593 INFO L225 Difference]: With dead ends: 323 [2024-11-13 16:05:00,595 INFO L226 Difference]: Without dead ends: 217 [2024-11-13 16:05:00,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:05:00,597 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 142 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 932 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:05:00,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 932 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 16:05:00,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-13 16:05:00,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 114. [2024-11-13 16:05:00,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 92 states have (on average 1.326086956521739) internal successors, (122), 92 states have internal predecessors, (122), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 16:05:00,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 162 transitions. [2024-11-13 16:05:00,627 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 162 transitions. Word has length 155 [2024-11-13 16:05:00,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:05:00,629 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 162 transitions. [2024-11-13 16:05:00,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:05:00,630 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 162 transitions. [2024-11-13 16:05:00,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-13 16:05:00,636 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:05:00,636 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:05:00,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 16:05:00,637 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:05:00,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:05:00,637 INFO L85 PathProgramCache]: Analyzing trace with hash -433951939, now seen corresponding path program 1 times [2024-11-13 16:05:00,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:05:00,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503299676] [2024-11-13 16:05:00,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:05:00,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:05:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:01,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:05:01,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:01,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:05:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:01,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:05:01,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:01,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:05:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:01,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:05:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:01,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:05:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:01,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:05:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:01,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:05:01,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:01,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:05:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:01,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:05:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:01,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:05:01,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:01,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:05:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:01,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:05:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:01,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:05:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:01,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:05:01,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:01,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:05:01,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:01,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:05:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:01,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:05:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:01,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:05:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:01,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:05:01,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:01,734 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:05:01,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:05:01,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503299676] [2024-11-13 16:05:01,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503299676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:05:01,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:05:01,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 16:05:01,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737167905] [2024-11-13 16:05:01,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:05:01,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:05:01,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:05:01,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:05:01,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:05:01,740 INFO L87 Difference]: Start difference. First operand 114 states and 162 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:05:02,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:05:02,316 INFO L93 Difference]: Finished difference Result 322 states and 460 transitions. [2024-11-13 16:05:02,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:05:02,317 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 155 [2024-11-13 16:05:02,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:05:02,320 INFO L225 Difference]: With dead ends: 322 [2024-11-13 16:05:02,320 INFO L226 Difference]: Without dead ends: 211 [2024-11-13 16:05:02,321 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 42 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 16:05:02,322 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 275 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 16:05:02,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 425 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 16:05:02,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-11-13 16:05:02,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 116. [2024-11-13 16:05:02,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 94 states have (on average 1.3191489361702127) internal successors, (124), 94 states have internal predecessors, (124), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 16:05:02,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 164 transitions. [2024-11-13 16:05:02,342 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 164 transitions. Word has length 155 [2024-11-13 16:05:02,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:05:02,343 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 164 transitions. [2024-11-13 16:05:02,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:05:02,344 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 164 transitions. [2024-11-13 16:05:02,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-13 16:05:02,346 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:05:02,347 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:05:02,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 16:05:02,347 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:05:02,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:05:02,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1945222404, now seen corresponding path program 1 times [2024-11-13 16:05:02,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:05:02,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626762213] [2024-11-13 16:05:02,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:05:02,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:05:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:05,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:05:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:05,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:05:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:05,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:05:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:05,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:05:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:05,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:05:05,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:05,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:05:05,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:05,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:05:05,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:05,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:05:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:05,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:05:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:05,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:05:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:05,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:05:05,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:05,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:05:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:05,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:05:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:05,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:05:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:05,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:05:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:05,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:05:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:05,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:05:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:05,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:05:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:05,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:05:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:05,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:05:05,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:05,321 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:05:05,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:05:05,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626762213] [2024-11-13 16:05:05,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626762213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:05:05,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:05:05,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 16:05:05,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255544859] [2024-11-13 16:05:05,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:05:05,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 16:05:05,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:05:05,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 16:05:05,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-13 16:05:05,324 INFO L87 Difference]: Start difference. First operand 116 states and 164 transitions. Second operand has 10 states, 8 states have (on average 7.375) internal successors, (59), 10 states have internal predecessors, (59), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-13 16:05:06,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:05:06,442 INFO L93 Difference]: Finished difference Result 332 states and 466 transitions. [2024-11-13 16:05:06,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 16:05:06,443 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 7.375) internal successors, (59), 10 states have internal predecessors, (59), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) Word has length 156 [2024-11-13 16:05:06,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:05:06,446 INFO L225 Difference]: With dead ends: 332 [2024-11-13 16:05:06,446 INFO L226 Difference]: Without dead ends: 219 [2024-11-13 16:05:06,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-13 16:05:06,449 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 242 mSDsluCounter, 792 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 930 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 16:05:06,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 930 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 16:05:06,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-13 16:05:06,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 152. [2024-11-13 16:05:06,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 129 states have (on average 1.3255813953488371) internal successors, (171), 129 states have internal predecessors, (171), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 16:05:06,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 211 transitions. [2024-11-13 16:05:06,520 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 211 transitions. Word has length 156 [2024-11-13 16:05:06,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:05:06,523 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 211 transitions. [2024-11-13 16:05:06,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 7.375) internal successors, (59), 10 states have internal predecessors, (59), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-13 16:05:06,524 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 211 transitions. [2024-11-13 16:05:06,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-13 16:05:06,526 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:05:06,526 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:05:06,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 16:05:06,528 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:05:06,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:05:06,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1215042406, now seen corresponding path program 1 times [2024-11-13 16:05:06,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:05:06,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704933191] [2024-11-13 16:05:06,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:05:06,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:05:06,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:07,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:05:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:07,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:05:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:07,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:05:07,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:07,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:05:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:07,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:05:07,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:07,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:05:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:07,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:05:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:07,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:05:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:07,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:05:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:07,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:05:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:07,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:05:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:07,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:05:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:07,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:05:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:07,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:05:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:07,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:05:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:07,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:05:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:07,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:05:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:07,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:05:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:07,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:05:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:07,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:05:07,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:07,766 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-13 16:05:07,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:05:07,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704933191] [2024-11-13 16:05:07,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704933191] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:05:07,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [474171904] [2024-11-13 16:05:07,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:05:07,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:05:07,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9de55-1790-424e-9c2e-a4a4cc271e8d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:05:07,769 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9de55-1790-424e-9c2e-a4a4cc271e8d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:05:07,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9de55-1790-424e-9c2e-a4a4cc271e8d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 16:05:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:08,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 16:05:08,091 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:05:08,163 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 19 treesize of output 1 [2024-11-13 16:05:08,267 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 33 treesize of output 17 [2024-11-13 16:05:08,346 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 33 treesize of output 17 [2024-11-13 16:05:08,909 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 43 treesize of output 25 [2024-11-13 16:05:08,952 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 159 proven. 51 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2024-11-13 16:05:08,956 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:05:09,602 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-13 16:05:09,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [474171904] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:05:09,603 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 16:05:09,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2024-11-13 16:05:09,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030511927] [2024-11-13 16:05:09,604 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 16:05:09,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 16:05:09,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:05:09,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 16:05:09,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-13 16:05:09,606 INFO L87 Difference]: Start difference. First operand 152 states and 211 transitions. Second operand has 11 states, 8 states have (on average 8.875) internal successors, (71), 11 states have internal predecessors, (71), 5 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (39), 2 states have call predecessors, (39), 5 states have call successors, (39) [2024-11-13 16:05:10,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:05:10,238 INFO L93 Difference]: Finished difference Result 299 states and 414 transitions. [2024-11-13 16:05:10,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 16:05:10,239 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 8.875) internal successors, (71), 11 states have internal predecessors, (71), 5 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (39), 2 states have call predecessors, (39), 5 states have call successors, (39) Word has length 157 [2024-11-13 16:05:10,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:05:10,241 INFO L225 Difference]: With dead ends: 299 [2024-11-13 16:05:10,242 INFO L226 Difference]: Without dead ends: 150 [2024-11-13 16:05:10,242 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 346 SyntacticMatches, 5 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-11-13 16:05:10,243 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 323 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 16:05:10,244 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 478 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 16:05:10,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-13 16:05:10,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 146. [2024-11-13 16:05:10,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 122 states have (on average 1.3114754098360655) internal successors, (160), 122 states have internal predecessors, (160), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 16:05:10,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 200 transitions. [2024-11-13 16:05:10,295 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 200 transitions. Word has length 157 [2024-11-13 16:05:10,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:05:10,296 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 200 transitions. [2024-11-13 16:05:10,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 8.875) internal successors, (71), 11 states have internal predecessors, (71), 5 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (39), 2 states have call predecessors, (39), 5 states have call successors, (39) [2024-11-13 16:05:10,296 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 200 transitions. [2024-11-13 16:05:10,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-13 16:05:10,298 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:05:10,299 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:05:10,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9de55-1790-424e-9c2e-a4a4cc271e8d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 16:05:10,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9de55-1790-424e-9c2e-a4a4cc271e8d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:05:10,500 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:05:10,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:05:10,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1349055912, now seen corresponding path program 1 times [2024-11-13 16:05:10,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:05:10,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305772873] [2024-11-13 16:05:10,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:05:10,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:05:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:11,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:05:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:11,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:05:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:12,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:05:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:12,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:05:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:12,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:05:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:12,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:05:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:12,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:05:12,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:12,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:05:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:12,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:05:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:12,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:05:12,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:12,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:05:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:12,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:05:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:12,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:05:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:12,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:05:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:12,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:05:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:12,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:05:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:12,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:05:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:12,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:05:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:12,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:05:12,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:12,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:05:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:12,130 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 3 proven. 54 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-13 16:05:12,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:05:12,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305772873] [2024-11-13 16:05:12,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305772873] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:05:12,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687168908] [2024-11-13 16:05:12,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:05:12,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:05:12,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9de55-1790-424e-9c2e-a4a4cc271e8d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:05:12,134 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9de55-1790-424e-9c2e-a4a4cc271e8d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:05:12,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9de55-1790-424e-9c2e-a4a4cc271e8d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 16:05:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:12,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-13 16:05:12,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:05:12,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2024-11-13 16:05:12,822 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 19 treesize of output 1 [2024-11-13 16:05:13,074 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 27 treesize of output 15 [2024-11-13 16:05:13,165 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:05:13,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 100 treesize of output 69 [2024-11-13 16:05:13,474 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:05:13,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 47 [2024-11-13 16:05:13,774 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-13 16:05:13,774 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:05:14,440 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:05:14,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1687168908] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 16:05:14,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:05:14,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 14] total 26 [2024-11-13 16:05:14,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424005062] [2024-11-13 16:05:14,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:05:14,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 16:05:14,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:05:14,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 16:05:14,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2024-11-13 16:05:14,449 INFO L87 Difference]: Start difference. First operand 146 states and 200 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:05:15,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:05:15,455 INFO L93 Difference]: Finished difference Result 383 states and 524 transitions. [2024-11-13 16:05:15,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 16:05:15,456 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 157 [2024-11-13 16:05:15,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:05:15,461 INFO L225 Difference]: With dead ends: 383 [2024-11-13 16:05:15,461 INFO L226 Difference]: Without dead ends: 240 [2024-11-13 16:05:15,462 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 339 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=83, Invalid=787, Unknown=0, NotChecked=0, Total=870 [2024-11-13 16:05:15,463 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 95 mSDsluCounter, 987 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 1185 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 16:05:15,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 1185 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 16:05:15,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-11-13 16:05:15,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 233. [2024-11-13 16:05:15,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 195 states have (on average 1.3076923076923077) internal successors, (255), 196 states have internal predecessors, (255), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-13 16:05:15,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 319 transitions. [2024-11-13 16:05:15,545 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 319 transitions. Word has length 157 [2024-11-13 16:05:15,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:05:15,545 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 319 transitions. [2024-11-13 16:05:15,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:05:15,546 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 319 transitions. [2024-11-13 16:05:15,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-13 16:05:15,548 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:05:15,549 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:05:15,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9de55-1790-424e-9c2e-a4a4cc271e8d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-13 16:05:15,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9de55-1790-424e-9c2e-a4a4cc271e8d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:05:15,753 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:05:15,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:05:15,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1934794134, now seen corresponding path program 1 times [2024-11-13 16:05:15,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:05:15,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50042672] [2024-11-13 16:05:15,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:05:15,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:05:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:17,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:05:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:17,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:05:17,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:17,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:05:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:17,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:05:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:17,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:05:17,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:17,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:05:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:17,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:05:17,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:17,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:05:17,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:17,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:05:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:17,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:05:17,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:17,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:05:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:17,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:05:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:17,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:05:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:17,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:05:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:17,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:05:17,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:17,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:05:17,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:17,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:05:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:17,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:05:17,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:17,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:05:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:17,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:05:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:17,166 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:05:17,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:05:17,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50042672] [2024-11-13 16:05:17,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50042672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:05:17,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:05:17,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 16:05:17,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128769543] [2024-11-13 16:05:17,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:05:17,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:05:17,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:05:17,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:05:17,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:05:17,170 INFO L87 Difference]: Start difference. First operand 233 states and 319 transitions. Second operand has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:05:17,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:05:17,666 INFO L93 Difference]: Finished difference Result 493 states and 669 transitions. [2024-11-13 16:05:17,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:05:17,668 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 157 [2024-11-13 16:05:17,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:05:17,675 INFO L225 Difference]: With dead ends: 493 [2024-11-13 16:05:17,675 INFO L226 Difference]: Without dead ends: 263 [2024-11-13 16:05:17,676 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:05:17,677 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 85 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 745 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 16:05:17,677 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 745 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 16:05:17,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-11-13 16:05:17,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 260. [2024-11-13 16:05:17,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 209 states have (on average 1.2679425837320575) internal successors, (265), 211 states have internal predecessors, (265), 42 states have call successors, (42), 8 states have call predecessors, (42), 8 states have return successors, (42), 40 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-13 16:05:17,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 349 transitions. [2024-11-13 16:05:17,790 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 349 transitions. Word has length 157 [2024-11-13 16:05:17,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:05:17,791 INFO L471 AbstractCegarLoop]: Abstraction has 260 states and 349 transitions. [2024-11-13 16:05:17,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:05:17,791 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 349 transitions. [2024-11-13 16:05:17,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-13 16:05:17,794 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:05:17,794 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:05:17,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 16:05:17,794 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:05:17,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:05:17,795 INFO L85 PathProgramCache]: Analyzing trace with hash 951766678, now seen corresponding path program 1 times [2024-11-13 16:05:17,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:05:17,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664147437] [2024-11-13 16:05:17,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:05:17,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:05:17,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:19,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:05:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:19,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:05:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:19,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:05:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:19,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:05:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:19,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:05:19,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:19,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:05:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:19,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:05:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:19,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:05:19,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:19,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:05:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:19,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:05:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:19,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:05:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:19,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:05:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:19,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:05:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:19,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:05:19,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:19,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:05:19,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:19,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:05:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:19,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:05:19,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:19,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:05:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:19,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:05:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:19,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:05:19,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:19,303 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:05:19,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:05:19,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664147437] [2024-11-13 16:05:19,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664147437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:05:19,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:05:19,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 16:05:19,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292787482] [2024-11-13 16:05:19,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:05:19,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 16:05:19,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:05:19,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 16:05:19,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:05:19,307 INFO L87 Difference]: Start difference. First operand 260 states and 349 transitions. Second operand has 7 states, 5 states have (on average 12.0) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-13 16:05:19,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:05:19,909 INFO L93 Difference]: Finished difference Result 558 states and 751 transitions. [2024-11-13 16:05:19,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 16:05:19,910 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 12.0) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) Word has length 157 [2024-11-13 16:05:19,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:05:19,914 INFO L225 Difference]: With dead ends: 558 [2024-11-13 16:05:19,914 INFO L226 Difference]: Without dead ends: 330 [2024-11-13 16:05:19,915 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-13 16:05:19,916 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 84 mSDsluCounter, 750 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 948 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 16:05:19,916 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 948 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 16:05:19,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-13 16:05:20,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 298. [2024-11-13 16:05:20,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 247 states have (on average 1.2834008097165992) internal successors, (317), 249 states have internal predecessors, (317), 42 states have call successors, (42), 8 states have call predecessors, (42), 8 states have return successors, (42), 40 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-13 16:05:20,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 401 transitions. [2024-11-13 16:05:20,014 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 401 transitions. Word has length 157 [2024-11-13 16:05:20,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:05:20,015 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 401 transitions. [2024-11-13 16:05:20,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 12.0) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-13 16:05:20,016 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 401 transitions. [2024-11-13 16:05:20,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-13 16:05:20,019 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:05:20,019 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:05:20,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 16:05:20,020 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:05:20,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:05:20,020 INFO L85 PathProgramCache]: Analyzing trace with hash -59350572, now seen corresponding path program 1 times [2024-11-13 16:05:20,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:05:20,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172109899] [2024-11-13 16:05:20,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:05:20,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:05:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:21,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:05:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:21,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:05:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:21,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:05:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:21,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:05:21,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:21,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:05:21,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:21,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:05:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:21,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:05:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:21,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:05:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:21,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:05:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:21,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:05:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:21,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:05:21,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:21,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:05:21,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:21,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:05:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:21,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:05:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:21,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:05:21,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:21,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:05:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:21,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:05:21,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:21,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:05:21,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:21,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:05:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:21,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:05:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:21,181 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 3 proven. 54 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-13 16:05:21,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:05:21,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172109899] [2024-11-13 16:05:21,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172109899] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:05:21,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1029895488] [2024-11-13 16:05:21,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:05:21,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:05:21,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9de55-1790-424e-9c2e-a4a4cc271e8d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:05:21,185 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9de55-1790-424e-9c2e-a4a4cc271e8d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:05:21,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9de55-1790-424e-9c2e-a4a4cc271e8d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 16:05:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:21,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 16:05:21,495 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:05:21,525 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 19 treesize of output 1 [2024-11-13 16:05:21,534 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 19 treesize of output 1 [2024-11-13 16:05:21,541 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 19 treesize of output 1 [2024-11-13 16:05:21,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 16:05:21,593 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 81 treesize of output 47 [2024-11-13 16:05:21,824 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:05:21,825 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 80 treesize of output 32 [2024-11-13 16:05:21,995 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-13 16:05:21,996 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:05:22,468 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:05:22,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1029895488] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 16:05:22,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:05:22,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 10] total 18 [2024-11-13 16:05:22,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845550507] [2024-11-13 16:05:22,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:05:22,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 16:05:22,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:05:22,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 16:05:22,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2024-11-13 16:05:22,472 INFO L87 Difference]: Start difference. First operand 298 states and 401 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:05:23,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:05:23,340 INFO L93 Difference]: Finished difference Result 629 states and 842 transitions. [2024-11-13 16:05:23,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 16:05:23,341 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 157 [2024-11-13 16:05:23,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:05:23,344 INFO L225 Difference]: With dead ends: 629 [2024-11-13 16:05:23,345 INFO L226 Difference]: Without dead ends: 334 [2024-11-13 16:05:23,346 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 347 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2024-11-13 16:05:23,347 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 84 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 1290 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 16:05:23,348 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 1290 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 16:05:23,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-11-13 16:05:23,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 294. [2024-11-13 16:05:23,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 243 states have (on average 1.2798353909465021) internal successors, (311), 245 states have internal predecessors, (311), 42 states have call successors, (42), 8 states have call predecessors, (42), 8 states have return successors, (42), 40 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-13 16:05:23,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 395 transitions. [2024-11-13 16:05:23,442 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 395 transitions. Word has length 157 [2024-11-13 16:05:23,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:05:23,443 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 395 transitions. [2024-11-13 16:05:23,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:05:23,443 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 395 transitions. [2024-11-13 16:05:23,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-13 16:05:23,452 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:05:23,453 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:05:23,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9de55-1790-424e-9c2e-a4a4cc271e8d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 16:05:23,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9de55-1790-424e-9c2e-a4a4cc271e8d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-13 16:05:23,654 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:05:23,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:05:23,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1580930424, now seen corresponding path program 1 times [2024-11-13 16:05:23,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:05:23,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861589057] [2024-11-13 16:05:23,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:05:23,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:05:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:24,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:05:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:24,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:05:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:24,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:05:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:24,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:05:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:24,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:05:24,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:24,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:05:24,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:24,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:05:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:24,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:05:24,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:24,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:05:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:24,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:05:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:24,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:05:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:24,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:05:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:24,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:05:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:24,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:05:24,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:24,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:05:24,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:24,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:05:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:24,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:05:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:24,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:05:24,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:24,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:05:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:24,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:05:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:24,843 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:05:24,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:05:24,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861589057] [2024-11-13 16:05:24,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861589057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:05:24,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:05:24,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 16:05:24,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854204060] [2024-11-13 16:05:24,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:05:24,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 16:05:24,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:05:24,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 16:05:24,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-13 16:05:24,849 INFO L87 Difference]: Start difference. First operand 294 states and 395 transitions. Second operand has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:05:25,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:05:25,238 INFO L93 Difference]: Finished difference Result 594 states and 799 transitions. [2024-11-13 16:05:25,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 16:05:25,239 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 157 [2024-11-13 16:05:25,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:05:25,243 INFO L225 Difference]: With dead ends: 594 [2024-11-13 16:05:25,243 INFO L226 Difference]: Without dead ends: 303 [2024-11-13 16:05:25,244 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-13 16:05:25,246 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 115 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 16:05:25,246 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 736 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 16:05:25,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-13 16:05:25,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 259. [2024-11-13 16:05:25,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 208 states have (on average 1.2644230769230769) internal successors, (263), 210 states have internal predecessors, (263), 42 states have call successors, (42), 8 states have call predecessors, (42), 8 states have return successors, (42), 40 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-13 16:05:25,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 347 transitions. [2024-11-13 16:05:25,352 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 347 transitions. Word has length 157 [2024-11-13 16:05:25,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:05:25,353 INFO L471 AbstractCegarLoop]: Abstraction has 259 states and 347 transitions. [2024-11-13 16:05:25,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:05:25,354 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 347 transitions. [2024-11-13 16:05:25,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-13 16:05:25,357 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:05:25,357 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:05:25,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 16:05:25,357 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:05:25,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:05:25,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1597405290, now seen corresponding path program 1 times [2024-11-13 16:05:25,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:05:25,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878136844] [2024-11-13 16:05:25,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:05:25,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:05:25,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:25,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:05:25,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:25,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:05:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:25,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:05:25,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:25,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:05:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:25,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:05:25,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:25,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:05:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:25,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:05:25,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:25,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:05:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:25,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:05:25,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:25,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:05:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:25,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:05:25,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:25,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:05:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:25,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:05:25,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:25,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:05:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:25,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:05:25,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:25,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:05:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:25,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:05:25,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:25,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:05:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:25,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:05:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:25,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:05:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:25,783 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:05:25,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:05:25,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878136844] [2024-11-13 16:05:25,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878136844] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:05:25,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:05:25,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 16:05:25,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850438703] [2024-11-13 16:05:25,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:05:25,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:05:25,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:05:25,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:05:25,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:05:25,787 INFO L87 Difference]: Start difference. First operand 259 states and 347 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:05:26,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:05:26,120 INFO L93 Difference]: Finished difference Result 653 states and 883 transitions. [2024-11-13 16:05:26,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:05:26,121 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 158 [2024-11-13 16:05:26,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:05:26,124 INFO L225 Difference]: With dead ends: 653 [2024-11-13 16:05:26,125 INFO L226 Difference]: Without dead ends: 397 [2024-11-13 16:05:26,126 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:05:26,127 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 60 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:05:26,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 584 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 16:05:26,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2024-11-13 16:05:26,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 299. [2024-11-13 16:05:26,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 248 states have (on average 1.2741935483870968) internal successors, (316), 250 states have internal predecessors, (316), 42 states have call successors, (42), 8 states have call predecessors, (42), 8 states have return successors, (42), 40 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-13 16:05:26,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 400 transitions. [2024-11-13 16:05:26,243 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 400 transitions. Word has length 158 [2024-11-13 16:05:26,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:05:26,245 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 400 transitions. [2024-11-13 16:05:26,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:05:26,246 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 400 transitions. [2024-11-13 16:05:26,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-13 16:05:26,249 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:05:26,250 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:05:26,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 16:05:26,250 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:05:26,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:05:26,251 INFO L85 PathProgramCache]: Analyzing trace with hash 317541612, now seen corresponding path program 1 times [2024-11-13 16:05:26,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:05:26,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098685457] [2024-11-13 16:05:26,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:05:26,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:05:26,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:26,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:05:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:26,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:05:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:27,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:05:27,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:27,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:05:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:27,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:05:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:27,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:05:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:27,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:05:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:27,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:05:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:27,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:05:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:27,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:05:27,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:27,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:05:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:27,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:05:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:27,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:05:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:27,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:05:27,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:27,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:05:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:27,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:05:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:27,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:05:27,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:27,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:05:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:27,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:05:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:27,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:05:27,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:27,059 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:05:27,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:05:27,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098685457] [2024-11-13 16:05:27,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098685457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:05:27,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:05:27,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:05:27,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852174651] [2024-11-13 16:05:27,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:05:27,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 16:05:27,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:05:27,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 16:05:27,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:05:27,062 INFO L87 Difference]: Start difference. First operand 299 states and 400 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:05:27,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:05:27,505 INFO L93 Difference]: Finished difference Result 816 states and 1094 transitions. [2024-11-13 16:05:27,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 16:05:27,506 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 158 [2024-11-13 16:05:27,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:05:27,514 INFO L225 Difference]: With dead ends: 816 [2024-11-13 16:05:27,514 INFO L226 Difference]: Without dead ends: 520 [2024-11-13 16:05:27,515 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 46 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 16:05:27,516 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 99 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 16:05:27,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 540 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 16:05:27,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2024-11-13 16:05:27,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 329. [2024-11-13 16:05:27,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 278 states have (on average 1.2733812949640289) internal successors, (354), 280 states have internal predecessors, (354), 42 states have call successors, (42), 8 states have call predecessors, (42), 8 states have return successors, (42), 40 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-13 16:05:27,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 438 transitions. [2024-11-13 16:05:27,613 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 438 transitions. Word has length 158 [2024-11-13 16:05:27,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:05:27,614 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 438 transitions. [2024-11-13 16:05:27,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:05:27,614 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 438 transitions. [2024-11-13 16:05:27,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-13 16:05:27,618 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:05:27,618 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:05:27,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 16:05:27,619 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:05:27,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:05:27,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1872164904, now seen corresponding path program 1 times [2024-11-13 16:05:27,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:05:27,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809186192] [2024-11-13 16:05:27,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:05:27,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:05:27,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:28,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:05:28,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:28,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:05:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:28,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:05:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:28,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:05:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:28,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:05:28,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:28,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:05:28,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:28,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:05:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:28,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:05:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:28,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:05:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:28,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:05:28,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:28,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:05:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:28,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:05:28,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:28,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:05:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:28,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:05:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:28,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:05:28,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:28,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:05:28,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:28,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:05:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:28,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:05:28,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:28,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:05:28,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:28,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:05:28,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:28,216 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:05:28,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:05:28,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809186192] [2024-11-13 16:05:28,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809186192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:05:28,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:05:28,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:05:28,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812306052] [2024-11-13 16:05:28,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:05:28,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 16:05:28,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:05:28,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 16:05:28,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:05:28,220 INFO L87 Difference]: Start difference. First operand 329 states and 438 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:05:28,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:05:28,689 INFO L93 Difference]: Finished difference Result 783 states and 1041 transitions. [2024-11-13 16:05:28,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 16:05:28,690 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 158 [2024-11-13 16:05:28,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:05:28,695 INFO L225 Difference]: With dead ends: 783 [2024-11-13 16:05:28,696 INFO L226 Difference]: Without dead ends: 457 [2024-11-13 16:05:28,697 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 44 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 16:05:28,698 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 97 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 695 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 16:05:28,698 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 695 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 16:05:28,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2024-11-13 16:05:28,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 270. [2024-11-13 16:05:28,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 230 states have (on average 1.2608695652173914) internal successors, (290), 231 states have internal predecessors, (290), 32 states have call successors, (32), 7 states have call predecessors, (32), 7 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-13 16:05:28,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 354 transitions. [2024-11-13 16:05:28,777 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 354 transitions. Word has length 158 [2024-11-13 16:05:28,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:05:28,778 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 354 transitions. [2024-11-13 16:05:28,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:05:28,780 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 354 transitions. [2024-11-13 16:05:28,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-13 16:05:28,782 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:05:28,782 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:05:28,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 16:05:28,783 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:05:28,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:05:28,783 INFO L85 PathProgramCache]: Analyzing trace with hash 592301226, now seen corresponding path program 1 times [2024-11-13 16:05:28,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:05:28,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274725853] [2024-11-13 16:05:28,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:05:28,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:05:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:29,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:05:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:29,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:05:29,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:29,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:05:29,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:29,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:05:29,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:29,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:05:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:29,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:05:29,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:29,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:05:29,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:29,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:05:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:29,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:05:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:29,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:05:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:29,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:05:29,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:29,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:05:29,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:29,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:05:29,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:29,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:05:29,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:29,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:05:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:29,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:05:29,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:29,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:05:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:29,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:05:29,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:29,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:05:29,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:29,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:05:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:29,082 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:05:29,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:05:29,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274725853] [2024-11-13 16:05:29,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274725853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:05:29,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:05:29,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 16:05:29,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462516827] [2024-11-13 16:05:29,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:05:29,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:05:29,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:05:29,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:05:29,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:05:29,085 INFO L87 Difference]: Start difference. First operand 270 states and 354 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:05:29,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:05:29,436 INFO L93 Difference]: Finished difference Result 621 states and 817 transitions. [2024-11-13 16:05:29,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:05:29,437 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 158 [2024-11-13 16:05:29,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:05:29,440 INFO L225 Difference]: With dead ends: 621 [2024-11-13 16:05:29,441 INFO L226 Difference]: Without dead ends: 354 [2024-11-13 16:05:29,442 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:05:29,442 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 50 mSDsluCounter, 612 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 16:05:29,443 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 807 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 16:05:29,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-13 16:05:29,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 302. [2024-11-13 16:05:29,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 262 states have (on average 1.2633587786259541) internal successors, (331), 263 states have internal predecessors, (331), 32 states have call successors, (32), 7 states have call predecessors, (32), 7 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-13 16:05:29,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 395 transitions. [2024-11-13 16:05:29,527 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 395 transitions. Word has length 158 [2024-11-13 16:05:29,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:05:29,527 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 395 transitions. [2024-11-13 16:05:29,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:05:29,528 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 395 transitions. [2024-11-13 16:05:29,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-13 16:05:29,531 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:05:29,531 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:05:29,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 16:05:29,532 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:05:29,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:05:29,533 INFO L85 PathProgramCache]: Analyzing trace with hash -236153179, now seen corresponding path program 1 times [2024-11-13 16:05:29,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:05:29,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985884089] [2024-11-13 16:05:29,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:05:29,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:05:29,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:51,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:05:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:51,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:05:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:51,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:05:51,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:51,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:05:51,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:51,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:05:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:51,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:05:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:51,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:05:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:51,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:05:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:51,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:05:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:51,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:05:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:51,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:05:51,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:51,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:05:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:51,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:05:51,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:51,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:05:51,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:51,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:05:51,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:51,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:05:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:51,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:05:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:51,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:05:51,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:51,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:05:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:51,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:05:51,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:05:51,223 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:05:51,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:05:51,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985884089] [2024-11-13 16:05:51,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985884089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:05:51,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:05:51,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-13 16:05:51,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547880377] [2024-11-13 16:05:51,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:05:51,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-13 16:05:51,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:05:51,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-13 16:05:51,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-13 16:05:51,225 INFO L87 Difference]: Start difference. First operand 302 states and 395 transitions. Second operand has 15 states, 13 states have (on average 4.769230769230769) internal successors, (62), 15 states have internal predecessors, (62), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-13 16:05:56,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:06:15,457 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 113 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:06:19,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:06:23,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:06:24,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:06:27,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:06:32,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:06:39,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:06:48,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:06:49,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:06:49,024 INFO L93 Difference]: Finished difference Result 1470 states and 1925 transitions. [2024-11-13 16:06:49,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 16:06:49,025 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 4.769230769230769) internal successors, (62), 15 states have internal predecessors, (62), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) Word has length 159 [2024-11-13 16:06:49,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:06:49,033 INFO L225 Difference]: With dead ends: 1470 [2024-11-13 16:06:49,033 INFO L226 Difference]: Without dead ends: 1171 [2024-11-13 16:06:49,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 34.1s TimeCoverageRelationStatistics Valid=141, Invalid=671, Unknown=0, NotChecked=0, Total=812 [2024-11-13 16:06:49,036 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 681 mSDsluCounter, 2278 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 65 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 681 SdHoareTripleChecker+Valid, 2509 SdHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:06:49,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [681 Valid, 2509 Invalid, 831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 761 Invalid, 5 Unknown, 0 Unchecked, 33.0s Time] [2024-11-13 16:06:49,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2024-11-13 16:06:49,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 667. [2024-11-13 16:06:49,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 667 states, 588 states have (on average 1.2687074829931972) internal successors, (746), 590 states have internal predecessors, (746), 64 states have call successors, (64), 14 states have call predecessors, (64), 14 states have return successors, (64), 62 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-13 16:06:49,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 874 transitions. [2024-11-13 16:06:49,194 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 874 transitions. Word has length 159 [2024-11-13 16:06:49,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:06:49,195 INFO L471 AbstractCegarLoop]: Abstraction has 667 states and 874 transitions. [2024-11-13 16:06:49,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 4.769230769230769) internal successors, (62), 15 states have internal predecessors, (62), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-13 16:06:49,196 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 874 transitions. [2024-11-13 16:06:49,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-13 16:06:49,199 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:06:49,200 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:06:49,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 16:06:49,200 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:06:49,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:06:49,201 INFO L85 PathProgramCache]: Analyzing trace with hash -650136566, now seen corresponding path program 1 times [2024-11-13 16:06:49,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:06:49,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015391993] [2024-11-13 16:06:49,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:06:49,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:06:49,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:50,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:06:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:50,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:06:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:50,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:06:50,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:50,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:06:50,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:50,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:06:50,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:50,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:06:50,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:50,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:06:50,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:50,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:06:50,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:50,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:06:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:50,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:06:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:50,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:06:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:50,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:06:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:50,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:06:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:50,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:06:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:50,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:06:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:50,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:06:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:50,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:06:50,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:50,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:06:50,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:50,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:06:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:50,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:06:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:50,231 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:06:50,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:06:50,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015391993] [2024-11-13 16:06:50,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015391993] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:06:50,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:06:50,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 16:06:50,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817648729] [2024-11-13 16:06:50,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:06:50,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:06:50,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:06:50,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:06:50,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:06:50,234 INFO L87 Difference]: Start difference. First operand 667 states and 874 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:06:50,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:06:50,625 INFO L93 Difference]: Finished difference Result 1737 states and 2260 transitions. [2024-11-13 16:06:50,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:06:50,626 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 160 [2024-11-13 16:06:50,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:06:50,633 INFO L225 Difference]: With dead ends: 1737 [2024-11-13 16:06:50,633 INFO L226 Difference]: Without dead ends: 1073 [2024-11-13 16:06:50,635 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:06:50,636 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 112 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:06:50,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 516 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 16:06:50,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2024-11-13 16:06:50,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 1067. [2024-11-13 16:06:50,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1067 states, 976 states have (on average 1.2663934426229508) internal successors, (1236), 982 states have internal predecessors, (1236), 72 states have call successors, (72), 18 states have call predecessors, (72), 18 states have return successors, (72), 66 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-13 16:06:50,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 1067 states and 1380 transitions. [2024-11-13 16:06:50,838 INFO L78 Accepts]: Start accepts. Automaton has 1067 states and 1380 transitions. Word has length 160 [2024-11-13 16:06:50,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:06:50,838 INFO L471 AbstractCegarLoop]: Abstraction has 1067 states and 1380 transitions. [2024-11-13 16:06:50,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:06:50,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1380 transitions. [2024-11-13 16:06:50,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-13 16:06:50,843 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:06:50,844 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:06:50,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 16:06:50,844 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:06:50,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:06:50,846 INFO L85 PathProgramCache]: Analyzing trace with hash 50928012, now seen corresponding path program 1 times [2024-11-13 16:06:50,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:06:50,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769552093] [2024-11-13 16:06:50,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:06:50,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:06:50,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:06:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:06:52,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:06:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:06:52,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:06:52,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:06:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:06:52,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:06:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:06:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:06:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:06:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:06:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:06:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:06:52,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:06:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:06:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:06:52,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:06:52,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:06:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:06:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:52,823 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:06:52,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:06:52,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769552093] [2024-11-13 16:06:52,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769552093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:06:52,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:06:52,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 16:06:52,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396220760] [2024-11-13 16:06:52,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:06:52,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 16:06:52,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:06:52,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 16:06:52,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-13 16:06:52,827 INFO L87 Difference]: Start difference. First operand 1067 states and 1380 transitions. Second operand has 12 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 12 states have internal predecessors, (63), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:06:53,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:06:53,769 INFO L93 Difference]: Finished difference Result 2242 states and 2894 transitions. [2024-11-13 16:06:53,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 16:06:53,770 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 12 states have internal predecessors, (63), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 160 [2024-11-13 16:06:53,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:06:53,779 INFO L225 Difference]: With dead ends: 2242 [2024-11-13 16:06:53,780 INFO L226 Difference]: Without dead ends: 1178 [2024-11-13 16:06:53,782 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2024-11-13 16:06:53,784 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 103 mSDsluCounter, 1332 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 1467 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 16:06:53,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 1467 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 16:06:53,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1178 states. [2024-11-13 16:06:53,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1178 to 1136. [2024-11-13 16:06:53,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1136 states, 1045 states have (on average 1.260287081339713) internal successors, (1317), 1051 states have internal predecessors, (1317), 72 states have call successors, (72), 18 states have call predecessors, (72), 18 states have return successors, (72), 66 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-13 16:06:54,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 1136 states and 1461 transitions. [2024-11-13 16:06:54,003 INFO L78 Accepts]: Start accepts. Automaton has 1136 states and 1461 transitions. Word has length 160 [2024-11-13 16:06:54,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:06:54,004 INFO L471 AbstractCegarLoop]: Abstraction has 1136 states and 1461 transitions. [2024-11-13 16:06:54,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 12 states have internal predecessors, (63), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:06:54,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 1461 transitions. [2024-11-13 16:06:54,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-13 16:06:54,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:06:54,010 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:06:54,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 16:06:54,010 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:06:54,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:06:54,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1050566445, now seen corresponding path program 1 times [2024-11-13 16:06:54,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:06:54,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522752057] [2024-11-13 16:06:54,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:06:54,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:06:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:54,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:06:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:54,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:06:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:54,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:06:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:54,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:06:54,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:54,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:06:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:54,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:06:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:54,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:06:54,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:54,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:06:54,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:54,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:06:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:54,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:06:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:54,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:06:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:54,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:06:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:54,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:06:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:54,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:06:54,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:54,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:06:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:54,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:06:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:54,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:06:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:54,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:06:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:54,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:06:54,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:54,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:06:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:54,709 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:06:54,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:06:54,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522752057] [2024-11-13 16:06:54,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522752057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:06:54,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:06:54,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 16:06:54,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294836642] [2024-11-13 16:06:54,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:06:54,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:06:54,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:06:54,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:06:54,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:06:54,714 INFO L87 Difference]: Start difference. First operand 1136 states and 1461 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:06:55,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:06:55,193 INFO L93 Difference]: Finished difference Result 2340 states and 2994 transitions. [2024-11-13 16:06:55,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:06:55,194 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 160 [2024-11-13 16:06:55,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:06:55,200 INFO L225 Difference]: With dead ends: 2340 [2024-11-13 16:06:55,201 INFO L226 Difference]: Without dead ends: 1207 [2024-11-13 16:06:55,203 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:06:55,204 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 114 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:06:55,204 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 611 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 16:06:55,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2024-11-13 16:06:55,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 1201. [2024-11-13 16:06:55,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1201 states, 1083 states have (on average 1.2419205909510618) internal successors, (1345), 1090 states have internal predecessors, (1345), 90 states have call successors, (90), 27 states have call predecessors, (90), 27 states have return successors, (90), 83 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-13 16:06:55,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 1525 transitions. [2024-11-13 16:06:55,450 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 1525 transitions. Word has length 160 [2024-11-13 16:06:55,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:06:55,451 INFO L471 AbstractCegarLoop]: Abstraction has 1201 states and 1525 transitions. [2024-11-13 16:06:55,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:06:55,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1525 transitions. [2024-11-13 16:06:55,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-13 16:06:55,456 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:06:55,456 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:06:55,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 16:06:55,456 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:06:55,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:06:55,457 INFO L85 PathProgramCache]: Analyzing trace with hash -624505519, now seen corresponding path program 1 times [2024-11-13 16:06:55,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:06:55,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185089720] [2024-11-13 16:06:55,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:06:55,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:06:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:55,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:06:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:55,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:06:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:55,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:06:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:55,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:06:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:55,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:06:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:55,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:06:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:55,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:06:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:55,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:06:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:55,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:06:55,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:55,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:06:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:55,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:06:55,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:55,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:06:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:55,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:06:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:55,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:06:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:55,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:06:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:55,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:06:55,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:55,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:06:55,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:55,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:06:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:55,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:06:55,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:55,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:06:55,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:55,826 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:06:55,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:06:55,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185089720] [2024-11-13 16:06:55,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185089720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:06:55,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:06:55,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:06:55,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281021143] [2024-11-13 16:06:55,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:06:55,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 16:06:55,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:06:55,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 16:06:55,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:06:55,830 INFO L87 Difference]: Start difference. First operand 1201 states and 1525 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:06:56,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:06:56,454 INFO L93 Difference]: Finished difference Result 3054 states and 3908 transitions. [2024-11-13 16:06:56,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:06:56,455 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-11-13 16:06:56,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:06:56,468 INFO L225 Difference]: With dead ends: 3054 [2024-11-13 16:06:56,469 INFO L226 Difference]: Without dead ends: 1865 [2024-11-13 16:06:56,472 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:06:56,473 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 140 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:06:56,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 940 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 16:06:56,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1865 states. [2024-11-13 16:06:56,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1865 to 1251. [2024-11-13 16:06:56,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1251 states, 1133 states have (on average 1.2400706090026479) internal successors, (1405), 1140 states have internal predecessors, (1405), 90 states have call successors, (90), 27 states have call predecessors, (90), 27 states have return successors, (90), 83 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-13 16:06:56,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 1251 states and 1585 transitions. [2024-11-13 16:06:56,751 INFO L78 Accepts]: Start accepts. Automaton has 1251 states and 1585 transitions. Word has length 160 [2024-11-13 16:06:56,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:06:56,752 INFO L471 AbstractCegarLoop]: Abstraction has 1251 states and 1585 transitions. [2024-11-13 16:06:56,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:06:56,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1585 transitions. [2024-11-13 16:06:56,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-13 16:06:56,756 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:06:56,757 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:06:56,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 16:06:56,757 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:06:56,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:06:56,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1298722515, now seen corresponding path program 1 times [2024-11-13 16:06:56,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:06:56,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096386227] [2024-11-13 16:06:56,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:06:56,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:06:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:57,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:06:57,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:57,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:06:57,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:57,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:06:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:57,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:06:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:57,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:06:57,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:57,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:06:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:57,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:06:57,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:57,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:06:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:57,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:06:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:57,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:06:57,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:57,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:06:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:57,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:06:57,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:57,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:06:57,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:57,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:06:57,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:57,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:06:57,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:57,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:06:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:57,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:06:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:57,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:06:57,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:57,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:06:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:57,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:06:57,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:57,493 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:06:57,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:06:57,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096386227] [2024-11-13 16:06:57,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096386227] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:06:57,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:06:57,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 16:06:57,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389796143] [2024-11-13 16:06:57,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:06:57,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:06:57,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:06:57,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:06:57,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:06:57,497 INFO L87 Difference]: Start difference. First operand 1251 states and 1585 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:06:58,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:06:58,068 INFO L93 Difference]: Finished difference Result 2504 states and 3162 transitions. [2024-11-13 16:06:58,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:06:58,069 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 160 [2024-11-13 16:06:58,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:06:58,078 INFO L225 Difference]: With dead ends: 2504 [2024-11-13 16:06:58,078 INFO L226 Difference]: Without dead ends: 1265 [2024-11-13 16:06:58,081 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:06:58,082 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 67 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 748 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 16:06:58,082 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 748 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 16:06:58,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1265 states. [2024-11-13 16:06:58,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1265 to 1259. [2024-11-13 16:06:58,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1259 states, 1137 states have (on average 1.2321899736147757) internal successors, (1401), 1144 states have internal predecessors, (1401), 90 states have call successors, (90), 31 states have call predecessors, (90), 31 states have return successors, (90), 83 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-13 16:06:58,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 1259 states and 1581 transitions. [2024-11-13 16:06:58,351 INFO L78 Accepts]: Start accepts. Automaton has 1259 states and 1581 transitions. Word has length 160 [2024-11-13 16:06:58,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:06:58,353 INFO L471 AbstractCegarLoop]: Abstraction has 1259 states and 1581 transitions. [2024-11-13 16:06:58,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:06:58,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1581 transitions. [2024-11-13 16:06:58,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-13 16:06:58,358 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:06:58,358 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:06:58,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 16:06:58,359 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:06:58,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:06:58,359 INFO L85 PathProgramCache]: Analyzing trace with hash 898292636, now seen corresponding path program 1 times [2024-11-13 16:06:58,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:06:58,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087049342] [2024-11-13 16:06:58,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:06:58,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:06:58,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:59,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:06:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:59,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:06:59,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:59,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:06:59,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:59,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:06:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:59,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:06:59,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:59,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:06:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:59,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:06:59,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:59,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:06:59,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:59,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:06:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:59,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:06:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:59,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:06:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:59,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:06:59,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:59,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:06:59,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:59,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:06:59,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:59,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:06:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:59,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:06:59,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:59,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:06:59,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:59,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:06:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:59,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:06:59,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:59,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:06:59,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:06:59,105 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:06:59,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:06:59,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087049342] [2024-11-13 16:06:59,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087049342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:06:59,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:06:59,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 16:06:59,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636834621] [2024-11-13 16:06:59,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:06:59,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:06:59,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:06:59,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:06:59,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:06:59,108 INFO L87 Difference]: Start difference. First operand 1259 states and 1581 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:06:59,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:06:59,706 INFO L93 Difference]: Finished difference Result 2876 states and 3604 transitions. [2024-11-13 16:06:59,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:06:59,708 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 160 [2024-11-13 16:06:59,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:06:59,719 INFO L225 Difference]: With dead ends: 2876 [2024-11-13 16:06:59,721 INFO L226 Difference]: Without dead ends: 1629 [2024-11-13 16:06:59,724 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:06:59,726 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 58 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 16:06:59,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 782 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 16:06:59,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1629 states. [2024-11-13 16:07:00,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1629 to 1623. [2024-11-13 16:07:00,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1623 states, 1477 states have (on average 1.2288422477995937) internal successors, (1815), 1488 states have internal predecessors, (1815), 106 states have call successors, (106), 39 states have call predecessors, (106), 39 states have return successors, (106), 95 states have call predecessors, (106), 106 states have call successors, (106) [2024-11-13 16:07:00,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1623 states to 1623 states and 2027 transitions. [2024-11-13 16:07:00,106 INFO L78 Accepts]: Start accepts. Automaton has 1623 states and 2027 transitions. Word has length 160 [2024-11-13 16:07:00,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:07:00,107 INFO L471 AbstractCegarLoop]: Abstraction has 1623 states and 2027 transitions. [2024-11-13 16:07:00,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:07:00,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1623 states and 2027 transitions. [2024-11-13 16:07:00,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-13 16:07:00,111 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:07:00,111 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:07:00,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-13 16:07:00,112 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:07:00,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:07:00,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1599357214, now seen corresponding path program 1 times [2024-11-13 16:07:00,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:07:00,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316746996] [2024-11-13 16:07:00,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:07:00,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:07:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:01,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:07:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:01,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:07:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:01,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:07:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:01,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:07:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:01,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:07:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:01,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:07:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:01,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:07:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:01,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:07:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:01,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:07:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:01,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:07:01,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:01,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:07:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:01,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:07:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:01,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:07:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:01,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:07:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:01,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:07:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:01,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:07:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:01,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:07:01,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:01,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:07:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:01,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:07:01,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:01,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:07:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:01,989 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:07:01,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:07:01,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316746996] [2024-11-13 16:07:01,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316746996] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:07:01,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:07:01,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 16:07:01,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123701750] [2024-11-13 16:07:01,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:07:01,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 16:07:01,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:07:01,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 16:07:01,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 16:07:01,992 INFO L87 Difference]: Start difference. First operand 1623 states and 2027 transitions. Second operand has 12 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 12 states have internal predecessors, (63), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:07:03,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:07:03,043 INFO L93 Difference]: Finished difference Result 3339 states and 4168 transitions. [2024-11-13 16:07:03,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 16:07:03,044 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 12 states have internal predecessors, (63), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 160 [2024-11-13 16:07:03,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:07:03,055 INFO L225 Difference]: With dead ends: 3339 [2024-11-13 16:07:03,055 INFO L226 Difference]: Without dead ends: 1728 [2024-11-13 16:07:03,059 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2024-11-13 16:07:03,059 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 93 mSDsluCounter, 1561 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 1752 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 16:07:03,060 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 1752 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 16:07:03,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1728 states. [2024-11-13 16:07:03,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1728 to 1692. [2024-11-13 16:07:03,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1692 states, 1546 states have (on average 1.22509702457956) internal successors, (1894), 1557 states have internal predecessors, (1894), 106 states have call successors, (106), 39 states have call predecessors, (106), 39 states have return successors, (106), 95 states have call predecessors, (106), 106 states have call successors, (106) [2024-11-13 16:07:03,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1692 states to 1692 states and 2106 transitions. [2024-11-13 16:07:03,449 INFO L78 Accepts]: Start accepts. Automaton has 1692 states and 2106 transitions. Word has length 160 [2024-11-13 16:07:03,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:07:03,449 INFO L471 AbstractCegarLoop]: Abstraction has 1692 states and 2106 transitions. [2024-11-13 16:07:03,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 12 states have internal predecessors, (63), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:07:03,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1692 states and 2106 transitions. [2024-11-13 16:07:03,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-13 16:07:03,454 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:07:03,454 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:07:03,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-13 16:07:03,455 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:07:03,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:07:03,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1511057893, now seen corresponding path program 1 times [2024-11-13 16:07:03,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:07:03,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528758158] [2024-11-13 16:07:03,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:07:03,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:07:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:04,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:07:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:04,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:07:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:04,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:07:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:04,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:07:04,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:04,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:07:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:04,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:07:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:04,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:07:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:04,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:07:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:04,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:07:04,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:04,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:07:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:04,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:07:04,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:04,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:07:04,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:04,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:07:04,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:04,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:07:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:04,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:07:04,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:04,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:07:04,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:04,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:07:04,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:04,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:07:04,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:04,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:07:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:04,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:07:04,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:04,442 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:07:04,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:07:04,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528758158] [2024-11-13 16:07:04,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528758158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:07:04,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:07:04,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 16:07:04,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82600670] [2024-11-13 16:07:04,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:07:04,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 16:07:04,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:07:04,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 16:07:04,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:07:04,447 INFO L87 Difference]: Start difference. First operand 1692 states and 2106 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:07:05,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:07:05,123 INFO L93 Difference]: Finished difference Result 3436 states and 4279 transitions. [2024-11-13 16:07:05,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 16:07:05,124 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-11-13 16:07:05,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:07:05,132 INFO L225 Difference]: With dead ends: 3436 [2024-11-13 16:07:05,132 INFO L226 Difference]: Without dead ends: 1756 [2024-11-13 16:07:05,135 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-13 16:07:05,138 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 114 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 858 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 16:07:05,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 858 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 16:07:05,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1756 states. [2024-11-13 16:07:05,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1756 to 767. [2024-11-13 16:07:05,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 767 states, 692 states have (on average 1.2153179190751444) internal successors, (841), 698 states have internal predecessors, (841), 54 states have call successors, (54), 20 states have call predecessors, (54), 20 states have return successors, (54), 48 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-13 16:07:05,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 949 transitions. [2024-11-13 16:07:05,380 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 949 transitions. Word has length 160 [2024-11-13 16:07:05,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:07:05,380 INFO L471 AbstractCegarLoop]: Abstraction has 767 states and 949 transitions. [2024-11-13 16:07:05,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:07:05,381 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 949 transitions. [2024-11-13 16:07:05,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-13 16:07:05,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:07:05,384 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:07:05,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-13 16:07:05,385 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:07:05,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:07:05,385 INFO L85 PathProgramCache]: Analyzing trace with hash -805303936, now seen corresponding path program 1 times [2024-11-13 16:07:05,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:07:05,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436686667] [2024-11-13 16:07:05,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:07:05,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:07:05,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:05,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:07:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:05,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:07:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:05,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:07:05,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:05,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:07:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:05,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:07:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:05,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:07:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:05,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:07:05,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:05,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:07:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:05,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:07:05,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:05,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:07:05,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:05,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:07:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:05,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:07:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:05,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:07:05,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:05,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:07:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:05,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:07:05,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:05,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:07:05,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:05,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:07:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:05,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:07:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:05,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:07:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:05,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:07:05,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:05,655 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:07:05,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:07:05,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436686667] [2024-11-13 16:07:05,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436686667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:07:05,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:07:05,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:07:05,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769479714] [2024-11-13 16:07:05,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:07:05,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:07:05,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:07:05,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:07:05,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:07:05,658 INFO L87 Difference]: Start difference. First operand 767 states and 949 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:07:06,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:07:06,180 INFO L93 Difference]: Finished difference Result 2153 states and 2677 transitions. [2024-11-13 16:07:06,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:07:06,181 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 161 [2024-11-13 16:07:06,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:07:06,188 INFO L225 Difference]: With dead ends: 2153 [2024-11-13 16:07:06,189 INFO L226 Difference]: Without dead ends: 1398 [2024-11-13 16:07:06,191 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:07:06,192 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 105 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 16:07:06,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 400 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 16:07:06,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1398 states. [2024-11-13 16:07:06,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1398 to 1024. [2024-11-13 16:07:06,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1024 states, 926 states have (on average 1.2224622030237582) internal successors, (1132), 931 states have internal predecessors, (1132), 72 states have call successors, (72), 25 states have call predecessors, (72), 25 states have return successors, (72), 67 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-13 16:07:06,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 1024 states and 1276 transitions. [2024-11-13 16:07:06,455 INFO L78 Accepts]: Start accepts. Automaton has 1024 states and 1276 transitions. Word has length 161 [2024-11-13 16:07:06,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:07:06,456 INFO L471 AbstractCegarLoop]: Abstraction has 1024 states and 1276 transitions. [2024-11-13 16:07:06,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:07:06,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1276 transitions. [2024-11-13 16:07:06,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-13 16:07:06,461 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:07:06,461 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:07:06,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-13 16:07:06,462 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:07:06,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:07:06,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1816421186, now seen corresponding path program 1 times [2024-11-13 16:07:06,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:07:06,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945160301] [2024-11-13 16:07:06,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:07:06,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:07:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:07,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:07:07,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:07,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:07:07,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:07,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:07:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:07,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:07:07,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:07,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:07:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:07,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:07:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:07,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:07:07,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:07,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:07:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:07,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:07:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:07,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:07:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:07,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:07:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:07,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:07:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:07,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:07:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:07,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:07:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:07,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:07:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:07,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:07:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:07,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:07:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:07,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:07:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:07,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:07:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:07,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:07:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:07,869 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:07:07,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:07:07,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945160301] [2024-11-13 16:07:07,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945160301] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:07:07,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:07:07,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 16:07:07,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757290112] [2024-11-13 16:07:07,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:07:07,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 16:07:07,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:07:07,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 16:07:07,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-13 16:07:07,873 INFO L87 Difference]: Start difference. First operand 1024 states and 1276 transitions. Second operand has 10 states, 8 states have (on average 8.0) internal successors, (64), 10 states have internal predecessors, (64), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-13 16:07:09,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:07:09,529 INFO L93 Difference]: Finished difference Result 4314 states and 5383 transitions. [2024-11-13 16:07:09,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 16:07:09,530 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 8.0) internal successors, (64), 10 states have internal predecessors, (64), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) Word has length 161 [2024-11-13 16:07:09,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:07:09,545 INFO L225 Difference]: With dead ends: 4314 [2024-11-13 16:07:09,546 INFO L226 Difference]: Without dead ends: 3551 [2024-11-13 16:07:09,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2024-11-13 16:07:09,552 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 517 mSDsluCounter, 1120 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 1313 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 16:07:09,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [517 Valid, 1313 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 16:07:09,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3551 states. [2024-11-13 16:07:09,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3551 to 2319. [2024-11-13 16:07:10,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2319 states, 2150 states have (on average 1.2265116279069768) internal successors, (2637), 2160 states have internal predecessors, (2637), 124 states have call successors, (124), 44 states have call predecessors, (124), 44 states have return successors, (124), 114 states have call predecessors, (124), 124 states have call successors, (124) [2024-11-13 16:07:10,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2319 states to 2319 states and 2885 transitions. [2024-11-13 16:07:10,010 INFO L78 Accepts]: Start accepts. Automaton has 2319 states and 2885 transitions. Word has length 161 [2024-11-13 16:07:10,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:07:10,011 INFO L471 AbstractCegarLoop]: Abstraction has 2319 states and 2885 transitions. [2024-11-13 16:07:10,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 8.0) internal successors, (64), 10 states have internal predecessors, (64), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-13 16:07:10,012 INFO L276 IsEmpty]: Start isEmpty. Operand 2319 states and 2885 transitions. [2024-11-13 16:07:10,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-13 16:07:10,016 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:07:10,017 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:07:10,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-13 16:07:10,019 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:07:10,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:07:10,021 INFO L85 PathProgramCache]: Analyzing trace with hash -2102217903, now seen corresponding path program 1 times [2024-11-13 16:07:10,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:07:10,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169316431] [2024-11-13 16:07:10,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:07:10,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:07:10,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:10,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:07:10,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:10,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:07:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:10,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:07:10,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:10,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:07:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:10,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:07:10,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:10,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:07:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:10,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:07:10,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:10,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:07:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:10,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:07:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:10,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:07:10,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:10,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:07:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:10,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:07:10,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:10,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:07:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:10,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:07:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:10,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:07:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:10,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:07:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:10,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:07:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:10,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:07:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:10,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:07:10,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:10,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:07:10,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:10,601 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:07:10,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:07:10,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169316431] [2024-11-13 16:07:10,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169316431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:07:10,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:07:10,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 16:07:10,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159372413] [2024-11-13 16:07:10,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:07:10,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:07:10,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:07:10,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:07:10,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:07:10,604 INFO L87 Difference]: Start difference. First operand 2319 states and 2885 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:07:11,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:07:11,846 INFO L93 Difference]: Finished difference Result 4667 states and 5819 transitions. [2024-11-13 16:07:11,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:07:11,847 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 162 [2024-11-13 16:07:11,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:07:11,860 INFO L225 Difference]: With dead ends: 4667 [2024-11-13 16:07:11,860 INFO L226 Difference]: Without dead ends: 2693 [2024-11-13 16:07:11,864 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 42 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 16:07:11,865 INFO L432 NwaCegarLoop]: 236 mSDtfsCounter, 266 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 697 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 16:07:11,865 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 697 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 16:07:11,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2693 states. [2024-11-13 16:07:12,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2693 to 2397. [2024-11-13 16:07:12,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2397 states, 2210 states have (on average 1.1823529411764706) internal successors, (2613), 2222 states have internal predecessors, (2613), 136 states have call successors, (136), 50 states have call predecessors, (136), 50 states have return successors, (136), 124 states have call predecessors, (136), 136 states have call successors, (136) [2024-11-13 16:07:12,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2397 states to 2397 states and 2885 transitions. [2024-11-13 16:07:12,469 INFO L78 Accepts]: Start accepts. Automaton has 2397 states and 2885 transitions. Word has length 162 [2024-11-13 16:07:12,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:07:12,473 INFO L471 AbstractCegarLoop]: Abstraction has 2397 states and 2885 transitions. [2024-11-13 16:07:12,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:07:12,473 INFO L276 IsEmpty]: Start isEmpty. Operand 2397 states and 2885 transitions. [2024-11-13 16:07:12,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-13 16:07:12,478 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:07:12,479 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:07:12,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-13 16:07:12,479 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:07:12,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:07:12,480 INFO L85 PathProgramCache]: Analyzing trace with hash 184019623, now seen corresponding path program 1 times [2024-11-13 16:07:12,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:07:12,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194381489] [2024-11-13 16:07:12,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:07:12,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:07:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:13,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:07:13,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:13,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:07:13,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:13,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:07:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:13,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:07:13,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:13,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:07:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:13,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:07:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:13,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:07:13,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:13,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:07:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:13,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:07:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:13,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:07:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:13,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:07:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:13,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:07:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:13,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:07:13,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:13,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:07:13,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:13,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:07:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:13,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:07:13,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:13,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:07:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:13,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:07:13,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:13,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:07:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:13,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:07:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:13,497 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:07:13,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:07:13,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194381489] [2024-11-13 16:07:13,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194381489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:07:13,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:07:13,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 16:07:13,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682611630] [2024-11-13 16:07:13,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:07:13,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 16:07:13,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:07:13,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 16:07:13,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-13 16:07:13,501 INFO L87 Difference]: Start difference. First operand 2397 states and 2885 transitions. Second operand has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:07:14,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:07:14,779 INFO L93 Difference]: Finished difference Result 5487 states and 6594 transitions. [2024-11-13 16:07:14,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 16:07:14,779 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 162 [2024-11-13 16:07:14,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:07:14,795 INFO L225 Difference]: With dead ends: 5487 [2024-11-13 16:07:14,796 INFO L226 Difference]: Without dead ends: 3543 [2024-11-13 16:07:14,799 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-11-13 16:07:14,800 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 193 mSDsluCounter, 1002 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 1156 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 16:07:14,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 1156 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 16:07:14,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3543 states. [2024-11-13 16:07:15,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3543 to 3193. [2024-11-13 16:07:15,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3193 states, 2884 states have (on average 1.1681692094313454) internal successors, (3369), 2910 states have internal predecessors, (3369), 220 states have call successors, (220), 88 states have call predecessors, (220), 88 states have return successors, (220), 194 states have call predecessors, (220), 220 states have call successors, (220) [2024-11-13 16:07:15,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3193 states to 3193 states and 3809 transitions. [2024-11-13 16:07:15,707 INFO L78 Accepts]: Start accepts. Automaton has 3193 states and 3809 transitions. Word has length 162 [2024-11-13 16:07:15,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:07:15,708 INFO L471 AbstractCegarLoop]: Abstraction has 3193 states and 3809 transitions. [2024-11-13 16:07:15,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:07:15,708 INFO L276 IsEmpty]: Start isEmpty. Operand 3193 states and 3809 transitions. [2024-11-13 16:07:15,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-13 16:07:15,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:07:15,714 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:07:15,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-13 16:07:15,714 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:07:15,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:07:15,715 INFO L85 PathProgramCache]: Analyzing trace with hash -625327003, now seen corresponding path program 1 times [2024-11-13 16:07:15,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:07:15,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808014192] [2024-11-13 16:07:15,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:07:15,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:07:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:18,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:07:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:18,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:07:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:18,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:07:18,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:18,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:07:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:18,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:07:18,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:18,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:07:18,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:18,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:07:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:18,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:07:18,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:18,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:07:18,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:18,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:07:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:18,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:07:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:18,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:07:18,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:18,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:07:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:18,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:07:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:18,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:07:18,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:18,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:07:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:18,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:07:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:18,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:07:18,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:18,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:07:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:18,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:07:18,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:18,722 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 27 proven. 30 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-13 16:07:18,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:07:18,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808014192] [2024-11-13 16:07:18,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808014192] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:07:18,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910388772] [2024-11-13 16:07:18,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:07:18,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:07:18,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9de55-1790-424e-9c2e-a4a4cc271e8d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:07:18,728 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9de55-1790-424e-9c2e-a4a4cc271e8d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:07:18,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9de55-1790-424e-9c2e-a4a4cc271e8d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 16:07:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:19,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 16:07:19,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:07:19,214 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 9 treesize of output 5 [2024-11-13 16:07:19,707 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 81 treesize of output 51 [2024-11-13 16:07:20,684 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:07:20,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 95 treesize of output 47 [2024-11-13 16:07:20,732 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:07:20,733 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:07:20,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [910388772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:07:20,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:07:20,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [21] total 28 [2024-11-13 16:07:20,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041854547] [2024-11-13 16:07:20,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:07:20,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 16:07:20,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:07:20,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 16:07:20,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2024-11-13 16:07:20,737 INFO L87 Difference]: Start difference. First operand 3193 states and 3809 transitions. Second operand has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 11 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:07:23,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:07:23,510 INFO L93 Difference]: Finished difference Result 9801 states and 11663 transitions. [2024-11-13 16:07:23,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 16:07:23,511 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 11 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 162 [2024-11-13 16:07:23,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:07:23,538 INFO L225 Difference]: With dead ends: 9801 [2024-11-13 16:07:23,539 INFO L226 Difference]: Without dead ends: 7061 [2024-11-13 16:07:23,544 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=117, Invalid=1073, Unknown=0, NotChecked=0, Total=1190 [2024-11-13 16:07:23,545 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 285 mSDsluCounter, 1182 mSDsCounter, 0 mSdLazyCounter, 763 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 1336 SdHoareTripleChecker+Invalid, 809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:07:23,545 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 1336 Invalid, 809 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 763 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 16:07:23,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7061 states. [2024-11-13 16:07:24,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7061 to 4059. [2024-11-13 16:07:24,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4059 states, 3750 states have (on average 1.1645333333333334) internal successors, (4367), 3776 states have internal predecessors, (4367), 220 states have call successors, (220), 88 states have call predecessors, (220), 88 states have return successors, (220), 194 states have call predecessors, (220), 220 states have call successors, (220) [2024-11-13 16:07:24,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4059 states to 4059 states and 4807 transitions. [2024-11-13 16:07:24,512 INFO L78 Accepts]: Start accepts. Automaton has 4059 states and 4807 transitions. Word has length 162 [2024-11-13 16:07:24,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:07:24,513 INFO L471 AbstractCegarLoop]: Abstraction has 4059 states and 4807 transitions. [2024-11-13 16:07:24,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 11 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:07:24,514 INFO L276 IsEmpty]: Start isEmpty. Operand 4059 states and 4807 transitions. [2024-11-13 16:07:24,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-13 16:07:24,520 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:07:24,520 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:07:24,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9de55-1790-424e-9c2e-a4a4cc271e8d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 16:07:24,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9de55-1790-424e-9c2e-a4a4cc271e8d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-13 16:07:24,721 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:07:24,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:07:24,722 INFO L85 PathProgramCache]: Analyzing trace with hash 121980009, now seen corresponding path program 1 times [2024-11-13 16:07:24,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:07:24,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208977856] [2024-11-13 16:07:24,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:07:24,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:07:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:26,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:07:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:26,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:07:26,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:26,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:07:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:26,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:07:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:26,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:07:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:26,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:07:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:26,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:07:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:26,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:07:26,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:26,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:07:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:26,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:07:26,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:26,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:07:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:26,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:07:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:26,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:07:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:26,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:07:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:26,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:07:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:26,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:07:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:26,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:07:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:26,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:07:26,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:26,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:07:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:26,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:07:26,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:26,311 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:07:26,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:07:26,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208977856] [2024-11-13 16:07:26,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208977856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:07:26,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:07:26,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-13 16:07:26,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071320873] [2024-11-13 16:07:26,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:07:26,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-13 16:07:26,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:07:26,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 16:07:26,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-11-13 16:07:26,314 INFO L87 Difference]: Start difference. First operand 4059 states and 4807 transitions. Second operand has 16 states, 16 states have (on average 4.0625) internal successors, (65), 16 states have internal predecessors, (65), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-13 16:07:29,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:07:29,268 INFO L93 Difference]: Finished difference Result 10219 states and 12173 transitions. [2024-11-13 16:07:29,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 16:07:29,269 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.0625) internal successors, (65), 16 states have internal predecessors, (65), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 162 [2024-11-13 16:07:29,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:07:29,294 INFO L225 Difference]: With dead ends: 10219 [2024-11-13 16:07:29,294 INFO L226 Difference]: Without dead ends: 7479 [2024-11-13 16:07:29,300 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=158, Invalid=442, Unknown=0, NotChecked=0, Total=600 [2024-11-13 16:07:29,301 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 497 mSDsluCounter, 1442 mSDsCounter, 0 mSdLazyCounter, 1102 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 1618 SdHoareTripleChecker+Invalid, 1214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 1102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 16:07:29,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [497 Valid, 1618 Invalid, 1214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 1102 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 16:07:29,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7479 states. [2024-11-13 16:07:30,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7479 to 5945. [2024-11-13 16:07:30,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5945 states, 5324 states have (on average 1.1527047332832456) internal successors, (6137), 5376 states have internal predecessors, (6137), 440 states have call successors, (440), 180 states have call predecessors, (440), 180 states have return successors, (440), 388 states have call predecessors, (440), 440 states have call successors, (440) [2024-11-13 16:07:30,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5945 states to 5945 states and 7017 transitions. [2024-11-13 16:07:30,797 INFO L78 Accepts]: Start accepts. Automaton has 5945 states and 7017 transitions. Word has length 162 [2024-11-13 16:07:30,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:07:30,797 INFO L471 AbstractCegarLoop]: Abstraction has 5945 states and 7017 transitions. [2024-11-13 16:07:30,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.0625) internal successors, (65), 16 states have internal predecessors, (65), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-13 16:07:30,798 INFO L276 IsEmpty]: Start isEmpty. Operand 5945 states and 7017 transitions. [2024-11-13 16:07:30,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-13 16:07:30,801 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:07:30,801 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:07:30,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-13 16:07:30,802 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:07:30,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:07:30,802 INFO L85 PathProgramCache]: Analyzing trace with hash -687366617, now seen corresponding path program 1 times [2024-11-13 16:07:30,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:07:30,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972030153] [2024-11-13 16:07:30,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:07:30,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:07:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:31,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:07:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:31,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:07:31,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:31,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:07:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:31,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:07:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:31,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:07:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:31,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:07:31,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:31,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:07:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:31,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:07:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:31,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:07:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:31,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:07:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:31,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:07:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:31,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:07:31,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:31,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:07:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:31,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:07:31,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:31,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:07:31,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:31,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:07:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:31,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:07:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:31,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:07:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:31,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:07:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:31,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:07:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:31,723 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:07:31,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:07:31,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972030153] [2024-11-13 16:07:31,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972030153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:07:31,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:07:31,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 16:07:31,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932412842] [2024-11-13 16:07:31,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:07:31,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 16:07:31,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:07:31,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 16:07:31,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-13 16:07:31,726 INFO L87 Difference]: Start difference. First operand 5945 states and 7017 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:07:33,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:07:33,920 INFO L93 Difference]: Finished difference Result 11369 states and 13465 transitions. [2024-11-13 16:07:33,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 16:07:33,920 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 162 [2024-11-13 16:07:33,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:07:33,946 INFO L225 Difference]: With dead ends: 11369 [2024-11-13 16:07:33,947 INFO L226 Difference]: Without dead ends: 6785 [2024-11-13 16:07:33,956 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2024-11-13 16:07:33,957 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 150 mSDsluCounter, 1035 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 1199 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 16:07:33,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 1199 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 16:07:33,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6785 states. [2024-11-13 16:07:35,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6785 to 6121. [2024-11-13 16:07:35,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6121 states, 5495 states have (on average 1.1479526842584167) internal successors, (6308), 5547 states have internal predecessors, (6308), 440 states have call successors, (440), 185 states have call predecessors, (440), 185 states have return successors, (440), 388 states have call predecessors, (440), 440 states have call successors, (440) [2024-11-13 16:07:35,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6121 states to 6121 states and 7188 transitions. [2024-11-13 16:07:35,479 INFO L78 Accepts]: Start accepts. Automaton has 6121 states and 7188 transitions. Word has length 162 [2024-11-13 16:07:35,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:07:35,480 INFO L471 AbstractCegarLoop]: Abstraction has 6121 states and 7188 transitions. [2024-11-13 16:07:35,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:07:35,482 INFO L276 IsEmpty]: Start isEmpty. Operand 6121 states and 7188 transitions. [2024-11-13 16:07:35,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-13 16:07:35,490 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:07:35,490 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:07:35,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-13 16:07:35,491 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:07:35,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:07:35,492 INFO L85 PathProgramCache]: Analyzing trace with hash -444516084, now seen corresponding path program 1 times [2024-11-13 16:07:35,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:07:35,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557802531] [2024-11-13 16:07:35,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:07:35,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:07:35,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:36,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:07:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:36,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:07:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:36,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:07:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:36,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:07:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:36,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:07:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:36,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:07:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:36,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:07:36,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:36,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:07:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:36,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:07:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:36,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:07:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:36,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:07:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:36,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:07:36,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:36,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:07:36,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:36,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:07:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:36,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:07:36,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:36,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:07:36,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:36,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:07:36,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:36,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:07:36,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:36,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:07:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:36,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:07:36,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:36,896 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:07:36,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:07:36,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557802531] [2024-11-13 16:07:36,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557802531] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:07:36,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:07:36,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 16:07:36,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101122981] [2024-11-13 16:07:36,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:07:36,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 16:07:36,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:07:36,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 16:07:36,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-13 16:07:36,900 INFO L87 Difference]: Start difference. First operand 6121 states and 7188 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:07:38,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:07:38,886 INFO L93 Difference]: Finished difference Result 9031 states and 10633 transitions. [2024-11-13 16:07:38,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 16:07:38,887 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 162 [2024-11-13 16:07:38,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:07:38,910 INFO L225 Difference]: With dead ends: 9031 [2024-11-13 16:07:38,910 INFO L226 Difference]: Without dead ends: 6117 [2024-11-13 16:07:38,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2024-11-13 16:07:38,918 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 109 mSDsluCounter, 897 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 1029 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 16:07:38,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 1029 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 16:07:38,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6117 states. [2024-11-13 16:07:40,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6117 to 6053. [2024-11-13 16:07:40,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6053 states, 5427 states have (on average 1.146489773355445) internal successors, (6222), 5479 states have internal predecessors, (6222), 440 states have call successors, (440), 185 states have call predecessors, (440), 185 states have return successors, (440), 388 states have call predecessors, (440), 440 states have call successors, (440) [2024-11-13 16:07:40,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6053 states to 6053 states and 7102 transitions. [2024-11-13 16:07:40,465 INFO L78 Accepts]: Start accepts. Automaton has 6053 states and 7102 transitions. Word has length 162 [2024-11-13 16:07:40,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:07:40,466 INFO L471 AbstractCegarLoop]: Abstraction has 6053 states and 7102 transitions. [2024-11-13 16:07:40,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:07:40,467 INFO L276 IsEmpty]: Start isEmpty. Operand 6053 states and 7102 transitions. [2024-11-13 16:07:40,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-13 16:07:40,472 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:07:40,472 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:07:40,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-13 16:07:40,473 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:07:40,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:07:40,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1899290905, now seen corresponding path program 1 times [2024-11-13 16:07:40,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:07:40,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569656346] [2024-11-13 16:07:40,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:07:40,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:07:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:41,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:07:41,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:41,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:07:41,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:41,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:07:41,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:41,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:07:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:41,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:07:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:41,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:07:41,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:41,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:07:41,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:41,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:07:41,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:41,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:07:41,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:41,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:07:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:41,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:07:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:41,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:07:41,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:41,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:07:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:41,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:07:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:41,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:07:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:41,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:07:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:41,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:07:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:41,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:07:41,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:41,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:07:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:41,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:07:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:41,359 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:07:41,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:07:41,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569656346] [2024-11-13 16:07:41,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569656346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:07:41,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:07:41,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 16:07:41,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916425529] [2024-11-13 16:07:41,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:07:41,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:07:41,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:07:41,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:07:41,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:07:41,361 INFO L87 Difference]: Start difference. First operand 6053 states and 7102 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:07:43,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:07:43,751 INFO L93 Difference]: Finished difference Result 11019 states and 12976 transitions. [2024-11-13 16:07:43,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:07:43,752 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 162 [2024-11-13 16:07:43,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:07:43,784 INFO L225 Difference]: With dead ends: 11019 [2024-11-13 16:07:43,785 INFO L226 Difference]: Without dead ends: 8173 [2024-11-13 16:07:43,791 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:07:43,792 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 66 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 16:07:43,792 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 682 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 16:07:43,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8173 states. [2024-11-13 16:07:45,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8173 to 7017. [2024-11-13 16:07:45,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7017 states, 6391 states have (on average 1.1466124237208575) internal successors, (7328), 6443 states have internal predecessors, (7328), 440 states have call successors, (440), 185 states have call predecessors, (440), 185 states have return successors, (440), 388 states have call predecessors, (440), 440 states have call successors, (440) [2024-11-13 16:07:45,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7017 states to 7017 states and 8208 transitions. [2024-11-13 16:07:45,888 INFO L78 Accepts]: Start accepts. Automaton has 7017 states and 8208 transitions. Word has length 162 [2024-11-13 16:07:45,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:07:45,889 INFO L471 AbstractCegarLoop]: Abstraction has 7017 states and 8208 transitions. [2024-11-13 16:07:45,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:07:45,890 INFO L276 IsEmpty]: Start isEmpty. Operand 7017 states and 8208 transitions. [2024-11-13 16:07:45,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-13 16:07:45,896 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:07:45,897 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:07:45,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-13 16:07:45,897 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:07:45,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:07:45,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1586329765, now seen corresponding path program 1 times [2024-11-13 16:07:45,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:07:45,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86404608] [2024-11-13 16:07:45,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:07:45,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:07:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:47,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:07:47,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:47,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:07:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:47,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:07:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:47,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:07:47,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:47,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:07:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:47,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:07:47,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:47,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:07:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:47,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:07:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:47,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:07:47,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:47,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:07:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:47,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:07:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:47,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:07:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:47,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:07:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:47,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:07:47,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:47,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:07:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:47,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:07:47,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:47,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:07:47,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:47,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:07:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:47,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:07:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:47,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:07:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:47,682 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:07:47,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:07:47,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86404608] [2024-11-13 16:07:47,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86404608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:07:47,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:07:47,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 16:07:47,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863488810] [2024-11-13 16:07:47,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:07:47,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 16:07:47,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:07:47,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 16:07:47,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-13 16:07:47,685 INFO L87 Difference]: Start difference. First operand 7017 states and 8208 transitions. Second operand has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:07:50,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:07:50,315 INFO L93 Difference]: Finished difference Result 11649 states and 13670 transitions. [2024-11-13 16:07:50,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 16:07:50,316 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 162 [2024-11-13 16:07:50,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:07:50,339 INFO L225 Difference]: With dead ends: 11649 [2024-11-13 16:07:50,339 INFO L226 Difference]: Without dead ends: 7559 [2024-11-13 16:07:50,348 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2024-11-13 16:07:50,349 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 208 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 914 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 16:07:50,349 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 914 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 16:07:50,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7559 states. [2024-11-13 16:07:51,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7559 to 6309. [2024-11-13 16:07:51,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6309 states, 5683 states have (on average 1.1455217314798523) internal successors, (6510), 5735 states have internal predecessors, (6510), 440 states have call successors, (440), 185 states have call predecessors, (440), 185 states have return successors, (440), 388 states have call predecessors, (440), 440 states have call successors, (440) [2024-11-13 16:07:51,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6309 states to 6309 states and 7390 transitions. [2024-11-13 16:07:51,816 INFO L78 Accepts]: Start accepts. Automaton has 6309 states and 7390 transitions. Word has length 162 [2024-11-13 16:07:51,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:07:51,817 INFO L471 AbstractCegarLoop]: Abstraction has 6309 states and 7390 transitions. [2024-11-13 16:07:51,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:07:51,817 INFO L276 IsEmpty]: Start isEmpty. Operand 6309 states and 7390 transitions. [2024-11-13 16:07:51,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-13 16:07:51,823 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:07:51,824 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:07:51,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-13 16:07:51,824 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:07:51,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:07:51,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1961330519, now seen corresponding path program 1 times [2024-11-13 16:07:51,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:07:51,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947227866] [2024-11-13 16:07:51,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:07:51,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:07:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:54,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:07:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:54,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:07:54,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:54,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:07:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:54,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:07:54,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:54,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:07:54,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:54,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:07:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:54,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:07:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:54,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:07:54,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:54,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:07:54,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:54,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:07:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:54,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:07:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:54,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:07:54,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:54,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:07:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:54,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:07:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:54,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:07:54,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:54,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:07:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:54,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:07:54,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:54,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:07:54,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:54,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:07:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:54,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:07:54,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:07:54,763 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:07:54,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:07:54,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947227866] [2024-11-13 16:07:54,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947227866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:07:54,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:07:54,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-13 16:07:54,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947418479] [2024-11-13 16:07:54,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:07:54,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-13 16:07:54,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:07:54,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-13 16:07:54,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2024-11-13 16:07:54,766 INFO L87 Difference]: Start difference. First operand 6309 states and 7390 transitions. Second operand has 19 states, 17 states have (on average 3.823529411764706) internal successors, (65), 19 states have internal predecessors, (65), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 5 states have call successors, (20) [2024-11-13 16:08:00,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:08:00,376 INFO L93 Difference]: Finished difference Result 14951 states and 17587 transitions. [2024-11-13 16:08:00,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 16:08:00,377 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 3.823529411764706) internal successors, (65), 19 states have internal predecessors, (65), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 5 states have call successors, (20) Word has length 162 [2024-11-13 16:08:00,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:08:00,406 INFO L225 Difference]: With dead ends: 14951 [2024-11-13 16:08:00,406 INFO L226 Difference]: Without dead ends: 11281 [2024-11-13 16:08:00,415 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=244, Invalid=1016, Unknown=0, NotChecked=0, Total=1260 [2024-11-13 16:08:00,416 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 525 mSDsluCounter, 1798 mSDsCounter, 0 mSdLazyCounter, 1486 mSolverCounterSat, 306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 525 SdHoareTripleChecker+Valid, 1959 SdHoareTripleChecker+Invalid, 1792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 306 IncrementalHoareTripleChecker+Valid, 1486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-13 16:08:00,417 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [525 Valid, 1959 Invalid, 1792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [306 Valid, 1486 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-13 16:08:00,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11281 states. [2024-11-13 16:08:02,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11281 to 8279. [2024-11-13 16:08:02,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8279 states, 7368 states have (on average 1.142100977198697) internal successors, (8415), 7446 states have internal predecessors, (8415), 640 states have call successors, (640), 270 states have call predecessors, (640), 270 states have return successors, (640), 562 states have call predecessors, (640), 640 states have call successors, (640) [2024-11-13 16:08:02,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8279 states to 8279 states and 9695 transitions. [2024-11-13 16:08:02,395 INFO L78 Accepts]: Start accepts. Automaton has 8279 states and 9695 transitions. Word has length 162 [2024-11-13 16:08:02,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:08:02,396 INFO L471 AbstractCegarLoop]: Abstraction has 8279 states and 9695 transitions. [2024-11-13 16:08:02,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 3.823529411764706) internal successors, (65), 19 states have internal predecessors, (65), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 5 states have call successors, (20) [2024-11-13 16:08:02,397 INFO L276 IsEmpty]: Start isEmpty. Operand 8279 states and 9695 transitions. [2024-11-13 16:08:02,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-13 16:08:02,404 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:08:02,404 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:08:02,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-13 16:08:02,404 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:08:02,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:08:02,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1524290151, now seen corresponding path program 1 times [2024-11-13 16:08:02,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:08:02,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309180535] [2024-11-13 16:08:02,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:08:02,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:08:02,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:03,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:08:03,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:03,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:08:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:03,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:08:03,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:03,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:08:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:03,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:08:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:03,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:08:03,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:03,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:08:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:03,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:08:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:03,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:08:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:03,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:08:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:03,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:08:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:03,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:08:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:03,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:08:03,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:03,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:08:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:03,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:08:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:03,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:08:03,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:03,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:08:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:03,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:08:03,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:03,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:08:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:03,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:08:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:03,285 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:08:03,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:08:03,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309180535] [2024-11-13 16:08:03,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309180535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:08:03,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:08:03,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 16:08:03,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691698385] [2024-11-13 16:08:03,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:08:03,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 16:08:03,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:08:03,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 16:08:03,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:08:03,289 INFO L87 Difference]: Start difference. First operand 8279 states and 9695 transitions. Second operand has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:08:06,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:08:06,001 INFO L93 Difference]: Finished difference Result 15297 states and 17909 transitions. [2024-11-13 16:08:06,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 16:08:06,002 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 162 [2024-11-13 16:08:06,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:08:06,031 INFO L225 Difference]: With dead ends: 15297 [2024-11-13 16:08:06,032 INFO L226 Difference]: Without dead ends: 8769 [2024-11-13 16:08:06,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-13 16:08:06,045 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 68 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 769 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 16:08:06,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 769 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 16:08:06,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8769 states. [2024-11-13 16:08:07,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8769 to 5971. [2024-11-13 16:08:07,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5971 states, 5462 states have (on average 1.142255584035152) internal successors, (6239), 5500 states have internal predecessors, (6239), 356 states have call successors, (356), 152 states have call predecessors, (356), 152 states have return successors, (356), 318 states have call predecessors, (356), 356 states have call successors, (356) [2024-11-13 16:08:07,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5971 states to 5971 states and 6951 transitions. [2024-11-13 16:08:07,564 INFO L78 Accepts]: Start accepts. Automaton has 5971 states and 6951 transitions. Word has length 162 [2024-11-13 16:08:07,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:08:07,564 INFO L471 AbstractCegarLoop]: Abstraction has 5971 states and 6951 transitions. [2024-11-13 16:08:07,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:08:07,565 INFO L276 IsEmpty]: Start isEmpty. Operand 5971 states and 6951 transitions. [2024-11-13 16:08:07,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-13 16:08:07,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:08:07,571 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:08:07,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-13 16:08:07,572 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:08:07,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:08:07,572 INFO L85 PathProgramCache]: Analyzing trace with hash -117715676, now seen corresponding path program 1 times [2024-11-13 16:08:07,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:08:07,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855183843] [2024-11-13 16:08:07,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:08:07,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:08:07,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:07,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:08:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:07,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:08:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:07,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:08:07,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:07,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:08:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:07,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:08:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:07,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:08:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:07,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:08:07,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:07,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:08:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:07,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:08:07,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:07,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:08:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:07,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:08:07,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:07,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:08:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:07,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:08:07,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:07,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:08:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:07,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:08:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:07,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:08:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:07,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:08:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:07,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:08:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:07,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:08:07,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:07,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:08:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:07,938 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:08:07,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:08:07,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855183843] [2024-11-13 16:08:07,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855183843] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:08:07,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:08:07,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 16:08:07,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920983827] [2024-11-13 16:08:07,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:08:07,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:08:07,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:08:07,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:08:07,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:08:07,942 INFO L87 Difference]: Start difference. First operand 5971 states and 6951 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:08:09,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:08:09,268 INFO L93 Difference]: Finished difference Result 9843 states and 11599 transitions. [2024-11-13 16:08:09,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:08:09,268 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 163 [2024-11-13 16:08:09,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:08:09,287 INFO L225 Difference]: With dead ends: 9843 [2024-11-13 16:08:09,287 INFO L226 Difference]: Without dead ends: 6819 [2024-11-13 16:08:09,294 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:08:09,295 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 60 mSDsluCounter, 593 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:08:09,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 781 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 16:08:09,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6819 states. [2024-11-13 16:08:10,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6819 to 6067. [2024-11-13 16:08:10,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6067 states, 5558 states have (on average 1.1397984886649875) internal successors, (6335), 5596 states have internal predecessors, (6335), 356 states have call successors, (356), 152 states have call predecessors, (356), 152 states have return successors, (356), 318 states have call predecessors, (356), 356 states have call successors, (356) [2024-11-13 16:08:10,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6067 states to 6067 states and 7047 transitions. [2024-11-13 16:08:10,714 INFO L78 Accepts]: Start accepts. Automaton has 6067 states and 7047 transitions. Word has length 163 [2024-11-13 16:08:10,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:08:10,715 INFO L471 AbstractCegarLoop]: Abstraction has 6067 states and 7047 transitions. [2024-11-13 16:08:10,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:08:10,715 INFO L276 IsEmpty]: Start isEmpty. Operand 6067 states and 7047 transitions. [2024-11-13 16:08:10,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-13 16:08:10,719 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:08:10,719 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:08:10,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-13 16:08:10,719 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:08:10,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:08:10,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1147127896, now seen corresponding path program 1 times [2024-11-13 16:08:10,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:08:10,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738734119] [2024-11-13 16:08:10,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:08:10,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:08:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:10,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:08:10,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:10,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:08:10,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:10,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:08:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:10,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:08:10,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:10,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:08:10,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:10,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:08:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:10,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:08:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:10,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:08:10,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:10,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:08:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:10,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:08:11,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:11,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:08:11,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:11,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:08:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:11,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:08:11,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:11,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:08:11,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:11,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:08:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:11,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:08:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:11,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:08:11,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:11,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:08:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:11,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:08:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:11,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:08:11,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:11,023 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:08:11,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:08:11,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738734119] [2024-11-13 16:08:11,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738734119] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:08:11,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:08:11,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 16:08:11,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088522467] [2024-11-13 16:08:11,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:08:11,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:08:11,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:08:11,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:08:11,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:08:11,026 INFO L87 Difference]: Start difference. First operand 6067 states and 7047 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:08:12,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:08:12,741 INFO L93 Difference]: Finished difference Result 9907 states and 11567 transitions. [2024-11-13 16:08:12,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:08:12,741 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 163 [2024-11-13 16:08:12,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:08:12,752 INFO L225 Difference]: With dead ends: 9907 [2024-11-13 16:08:12,752 INFO L226 Difference]: Without dead ends: 6819 [2024-11-13 16:08:12,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:08:12,756 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 60 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 831 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:08:12,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 831 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 16:08:12,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6819 states. [2024-11-13 16:08:13,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6819 to 5971. [2024-11-13 16:08:13,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5971 states, 5462 states have (on average 1.1246796045404615) internal successors, (6143), 5500 states have internal predecessors, (6143), 356 states have call successors, (356), 152 states have call predecessors, (356), 152 states have return successors, (356), 318 states have call predecessors, (356), 356 states have call successors, (356) [2024-11-13 16:08:13,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5971 states to 5971 states and 6855 transitions. [2024-11-13 16:08:13,840 INFO L78 Accepts]: Start accepts. Automaton has 5971 states and 6855 transitions. Word has length 163 [2024-11-13 16:08:13,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:08:13,840 INFO L471 AbstractCegarLoop]: Abstraction has 5971 states and 6855 transitions. [2024-11-13 16:08:13,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:08:13,841 INFO L276 IsEmpty]: Start isEmpty. Operand 5971 states and 6855 transitions. [2024-11-13 16:08:13,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-13 16:08:13,844 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:08:13,845 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:08:13,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-13 16:08:13,845 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:08:13,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:08:13,845 INFO L85 PathProgramCache]: Analyzing trace with hash 368176726, now seen corresponding path program 1 times [2024-11-13 16:08:13,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:08:13,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716571471] [2024-11-13 16:08:13,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:08:13,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:08:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:08:15,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:08:15,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:08:15,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:08:15,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:08:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:08:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:08:15,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:08:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:08:15,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:08:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:08:15,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:08:15,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:08:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:08:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:08:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:08:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:08:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:08:15,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:08:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:08:15,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,716 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:08:15,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:08:15,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716571471] [2024-11-13 16:08:15,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716571471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:08:15,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:08:15,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 16:08:15,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979189889] [2024-11-13 16:08:15,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:08:15,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 16:08:15,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:08:15,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 16:08:15,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 16:08:15,718 INFO L87 Difference]: Start difference. First operand 5971 states and 6855 transitions. Second operand has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 12 states have internal predecessors, (67), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:08:17,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:08:17,244 INFO L93 Difference]: Finished difference Result 11245 states and 12910 transitions. [2024-11-13 16:08:17,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 16:08:17,244 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 12 states have internal predecessors, (67), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 164 [2024-11-13 16:08:17,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:08:17,256 INFO L225 Difference]: With dead ends: 11245 [2024-11-13 16:08:17,256 INFO L226 Difference]: Without dead ends: 6051 [2024-11-13 16:08:17,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2024-11-13 16:08:17,263 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 118 mSDsluCounter, 1359 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 1531 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 16:08:17,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 1531 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 16:08:17,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6051 states. [2024-11-13 16:08:18,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6051 to 5715. [2024-11-13 16:08:18,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5715 states, 5206 states have (on average 1.1238955051863235) internal successors, (5851), 5244 states have internal predecessors, (5851), 356 states have call successors, (356), 152 states have call predecessors, (356), 152 states have return successors, (356), 318 states have call predecessors, (356), 356 states have call successors, (356) [2024-11-13 16:08:18,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5715 states to 5715 states and 6563 transitions. [2024-11-13 16:08:18,768 INFO L78 Accepts]: Start accepts. Automaton has 5715 states and 6563 transitions. Word has length 164 [2024-11-13 16:08:18,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:08:18,769 INFO L471 AbstractCegarLoop]: Abstraction has 5715 states and 6563 transitions. [2024-11-13 16:08:18,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 12 states have internal predecessors, (67), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:08:18,769 INFO L276 IsEmpty]: Start isEmpty. Operand 5715 states and 6563 transitions. [2024-11-13 16:08:18,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-13 16:08:18,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:08:18,773 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:08:18,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-13 16:08:18,773 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:08:18,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:08:18,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1136446889, now seen corresponding path program 1 times [2024-11-13 16:08:18,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:08:18,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814289716] [2024-11-13 16:08:18,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:08:18,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:08:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:18,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:08:18,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:18,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:08:18,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:18,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:08:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:18,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:08:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:18,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:08:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:18,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:08:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:18,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:08:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:18,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:08:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:18,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:08:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:18,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:08:18,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:18,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:08:18,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:19,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:08:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:19,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:08:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:19,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:08:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:19,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:08:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:19,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:08:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:19,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:08:19,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:19,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:08:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:19,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:08:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:19,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:08:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:19,019 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:08:19,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:08:19,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814289716] [2024-11-13 16:08:19,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814289716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:08:19,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:08:19,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 16:08:19,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950151900] [2024-11-13 16:08:19,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:08:19,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:08:19,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:08:19,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:08:19,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:08:19,022 INFO L87 Difference]: Start difference. First operand 5715 states and 6563 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:08:20,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:08:20,508 INFO L93 Difference]: Finished difference Result 5885 states and 6774 transitions. [2024-11-13 16:08:20,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:08:20,509 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 164 [2024-11-13 16:08:20,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:08:20,518 INFO L225 Difference]: With dead ends: 5885 [2024-11-13 16:08:20,518 INFO L226 Difference]: Without dead ends: 5883 [2024-11-13 16:08:20,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:08:20,520 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 0 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 720 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:08:20,520 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 720 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:08:20,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5883 states. [2024-11-13 16:08:21,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5883 to 5883. [2024-11-13 16:08:21,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5883 states, 5374 states have (on average 1.1200223297357648) internal successors, (6019), 5412 states have internal predecessors, (6019), 356 states have call successors, (356), 152 states have call predecessors, (356), 152 states have return successors, (356), 318 states have call predecessors, (356), 356 states have call successors, (356) [2024-11-13 16:08:21,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5883 states to 5883 states and 6731 transitions. [2024-11-13 16:08:21,870 INFO L78 Accepts]: Start accepts. Automaton has 5883 states and 6731 transitions. Word has length 164 [2024-11-13 16:08:21,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:08:21,870 INFO L471 AbstractCegarLoop]: Abstraction has 5883 states and 6731 transitions. [2024-11-13 16:08:21,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:08:21,870 INFO L276 IsEmpty]: Start isEmpty. Operand 5883 states and 6731 transitions. [2024-11-13 16:08:21,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-13 16:08:21,875 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:08:21,876 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:08:21,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-13 16:08:21,876 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:08:21,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:08:21,876 INFO L85 PathProgramCache]: Analyzing trace with hash 512070500, now seen corresponding path program 1 times [2024-11-13 16:08:21,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:08:21,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473546724] [2024-11-13 16:08:21,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:08:21,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:08:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:22,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:08:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:22,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:08:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:22,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:08:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:22,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:08:22,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:22,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:08:22,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:22,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:08:22,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:22,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:08:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:22,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:08:22,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:22,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:08:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:22,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:08:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:22,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:08:22,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:22,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:08:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:22,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:08:22,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:22,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:08:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:22,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:08:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:22,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:08:22,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:22,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:08:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:22,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:08:22,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:22,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:08:22,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:22,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:08:22,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:22,794 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:08:22,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:08:22,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473546724] [2024-11-13 16:08:22,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473546724] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:08:22,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:08:22,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 16:08:22,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140202136] [2024-11-13 16:08:22,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:08:22,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 16:08:22,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:08:22,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 16:08:22,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-13 16:08:22,799 INFO L87 Difference]: Start difference. First operand 5883 states and 6731 transitions. Second operand has 10 states, 10 states have (on average 6.7) internal successors, (67), 10 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:08:24,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:08:24,763 INFO L93 Difference]: Finished difference Result 11761 states and 13521 transitions. [2024-11-13 16:08:24,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 16:08:24,763 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 10 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 164 [2024-11-13 16:08:24,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:08:24,775 INFO L225 Difference]: With dead ends: 11761 [2024-11-13 16:08:24,775 INFO L226 Difference]: Without dead ends: 6619 [2024-11-13 16:08:24,781 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-11-13 16:08:24,782 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 123 mSDsluCounter, 1700 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 1959 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 16:08:24,782 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 1959 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 16:08:24,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6619 states. [2024-11-13 16:08:25,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6619 to 5789. [2024-11-13 16:08:25,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5789 states, 5298 states have (on average 1.1179690449226123) internal successors, (5923), 5330 states have internal predecessors, (5923), 344 states have call successors, (344), 146 states have call predecessors, (344), 146 states have return successors, (344), 312 states have call predecessors, (344), 344 states have call successors, (344) [2024-11-13 16:08:25,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5789 states to 5789 states and 6611 transitions. [2024-11-13 16:08:25,901 INFO L78 Accepts]: Start accepts. Automaton has 5789 states and 6611 transitions. Word has length 164 [2024-11-13 16:08:25,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:08:25,901 INFO L471 AbstractCegarLoop]: Abstraction has 5789 states and 6611 transitions. [2024-11-13 16:08:25,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 10 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:08:25,901 INFO L276 IsEmpty]: Start isEmpty. Operand 5789 states and 6611 transitions. [2024-11-13 16:08:25,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-13 16:08:25,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:08:25,905 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:08:25,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-13 16:08:25,905 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:08:25,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:08:25,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1213135078, now seen corresponding path program 1 times [2024-11-13 16:08:25,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:08:25,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403575992] [2024-11-13 16:08:25,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:08:25,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:08:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:26,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:08:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:26,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:08:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:26,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:08:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:26,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:08:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:26,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:08:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:26,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:08:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:26,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:08:26,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:26,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:08:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:26,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:08:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:26,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:08:26,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:26,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:08:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:26,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:08:26,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:26,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:08:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:26,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:08:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:26,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:08:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:26,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:08:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:26,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:08:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:26,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:08:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:26,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:08:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:26,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:08:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:26,537 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:08:26,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:08:26,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403575992] [2024-11-13 16:08:26,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403575992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:08:26,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:08:26,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 16:08:26,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105879725] [2024-11-13 16:08:26,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:08:26,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:08:26,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:08:26,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:08:26,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:08:26,539 INFO L87 Difference]: Start difference. First operand 5789 states and 6611 transitions. Second operand has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:08:27,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:08:27,874 INFO L93 Difference]: Finished difference Result 10811 states and 12308 transitions. [2024-11-13 16:08:27,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:08:27,874 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 164 [2024-11-13 16:08:27,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:08:27,885 INFO L225 Difference]: With dead ends: 10811 [2024-11-13 16:08:27,885 INFO L226 Difference]: Without dead ends: 5763 [2024-11-13 16:08:27,892 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:08:27,892 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 95 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:08:27,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 640 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 16:08:27,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5763 states. [2024-11-13 16:08:29,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5763 to 5221. [2024-11-13 16:08:29,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5221 states, 4825 states have (on average 1.1129533678756476) internal successors, (5370), 4845 states have internal predecessors, (5370), 272 states have call successors, (272), 123 states have call predecessors, (272), 123 states have return successors, (272), 252 states have call predecessors, (272), 272 states have call successors, (272) [2024-11-13 16:08:29,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5221 states to 5221 states and 5914 transitions. [2024-11-13 16:08:29,186 INFO L78 Accepts]: Start accepts. Automaton has 5221 states and 5914 transitions. Word has length 164 [2024-11-13 16:08:29,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:08:29,186 INFO L471 AbstractCegarLoop]: Abstraction has 5221 states and 5914 transitions. [2024-11-13 16:08:29,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:08:29,186 INFO L276 IsEmpty]: Start isEmpty. Operand 5221 states and 5914 transitions. [2024-11-13 16:08:29,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-13 16:08:29,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:08:29,191 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:08:29,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-13 16:08:29,191 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:08:29,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:08:29,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1914734952, now seen corresponding path program 1 times [2024-11-13 16:08:29,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:08:29,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579025256] [2024-11-13 16:08:29,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:08:29,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:08:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:30,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:08:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:30,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:08:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:30,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:08:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:30,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:08:30,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:30,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:08:30,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:30,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:08:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:30,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:08:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:30,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:08:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:30,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:08:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:30,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:08:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:30,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:08:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:30,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:08:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:30,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:08:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:30,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:08:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:30,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:08:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:30,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:08:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:30,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:08:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:30,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:08:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:30,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:08:30,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:30,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:08:30,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:30,664 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:08:30,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:08:30,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579025256] [2024-11-13 16:08:30,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579025256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:08:30,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:08:30,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 16:08:30,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587160943] [2024-11-13 16:08:30,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:08:30,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 16:08:30,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:08:30,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 16:08:30,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 16:08:30,671 INFO L87 Difference]: Start difference. First operand 5221 states and 5914 transitions. Second operand has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 12 states have internal predecessors, (67), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:08:32,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:08:32,134 INFO L93 Difference]: Finished difference Result 10065 states and 11393 transitions. [2024-11-13 16:08:32,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 16:08:32,135 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 12 states have internal predecessors, (67), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 164 [2024-11-13 16:08:32,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:08:32,144 INFO L225 Difference]: With dead ends: 10065 [2024-11-13 16:08:32,144 INFO L226 Difference]: Without dead ends: 5589 [2024-11-13 16:08:32,149 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2024-11-13 16:08:32,149 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 87 mSDsluCounter, 1869 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 2091 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 16:08:32,150 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 2091 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 16:08:32,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5589 states. [2024-11-13 16:08:32,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5589 to 4933. [2024-11-13 16:08:32,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4933 states, 4537 states have (on average 1.1121886709279258) internal successors, (5046), 4557 states have internal predecessors, (5046), 272 states have call successors, (272), 123 states have call predecessors, (272), 123 states have return successors, (272), 252 states have call predecessors, (272), 272 states have call successors, (272) [2024-11-13 16:08:32,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4933 states to 4933 states and 5590 transitions. [2024-11-13 16:08:32,973 INFO L78 Accepts]: Start accepts. Automaton has 4933 states and 5590 transitions. Word has length 164 [2024-11-13 16:08:32,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:08:32,973 INFO L471 AbstractCegarLoop]: Abstraction has 4933 states and 5590 transitions. [2024-11-13 16:08:32,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 12 states have internal predecessors, (67), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:08:32,973 INFO L276 IsEmpty]: Start isEmpty. Operand 4933 states and 5590 transitions. [2024-11-13 16:08:32,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-13 16:08:32,977 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:08:32,978 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:08:32,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-13 16:08:32,978 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:08:32,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:08:32,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1041822510, now seen corresponding path program 1 times [2024-11-13 16:08:32,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:08:32,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306959419] [2024-11-13 16:08:32,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:08:32,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:08:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:35,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:08:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:35,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:08:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:35,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:08:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:35,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:08:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:35,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:08:35,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:35,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:08:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:35,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:08:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:35,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:08:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:35,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:08:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:35,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:08:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:35,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:08:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:35,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:08:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:35,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:08:35,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:35,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:08:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:35,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:08:35,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:35,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:08:35,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:35,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:08:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:35,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:08:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:35,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:08:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:35,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:08:35,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:35,568 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:08:35,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:08:35,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306959419] [2024-11-13 16:08:35,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306959419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:08:35,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:08:35,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-13 16:08:35,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240921434] [2024-11-13 16:08:35,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:08:35,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-13 16:08:35,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:08:35,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-13 16:08:35,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2024-11-13 16:08:35,571 INFO L87 Difference]: Start difference. First operand 4933 states and 5590 transitions. Second operand has 17 states, 15 states have (on average 4.533333333333333) internal successors, (68), 17 states have internal predecessors, (68), 6 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 4 states have call predecessors, (20), 6 states have call successors, (20) [2024-11-13 16:08:39,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:08:39,849 INFO L93 Difference]: Finished difference Result 9873 states and 11207 transitions. [2024-11-13 16:08:39,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 16:08:39,850 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 4.533333333333333) internal successors, (68), 17 states have internal predecessors, (68), 6 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 4 states have call predecessors, (20), 6 states have call successors, (20) Word has length 165 [2024-11-13 16:08:39,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:08:39,867 INFO L225 Difference]: With dead ends: 9873 [2024-11-13 16:08:39,868 INFO L226 Difference]: Without dead ends: 7327 [2024-11-13 16:08:39,871 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=157, Invalid=713, Unknown=0, NotChecked=0, Total=870 [2024-11-13 16:08:39,872 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 521 mSDsluCounter, 1444 mSDsCounter, 0 mSdLazyCounter, 1213 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 1633 SdHoareTripleChecker+Invalid, 1383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 1213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-13 16:08:39,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [522 Valid, 1633 Invalid, 1383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 1213 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-13 16:08:39,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7327 states. [2024-11-13 16:08:40,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7327 to 5163. [2024-11-13 16:08:40,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5163 states, 4767 states have (on average 1.119781833438221) internal successors, (5338), 4787 states have internal predecessors, (5338), 272 states have call successors, (272), 123 states have call predecessors, (272), 123 states have return successors, (272), 252 states have call predecessors, (272), 272 states have call successors, (272) [2024-11-13 16:08:40,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5163 states to 5163 states and 5882 transitions. [2024-11-13 16:08:40,746 INFO L78 Accepts]: Start accepts. Automaton has 5163 states and 5882 transitions. Word has length 165 [2024-11-13 16:08:40,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:08:40,747 INFO L471 AbstractCegarLoop]: Abstraction has 5163 states and 5882 transitions. [2024-11-13 16:08:40,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 4.533333333333333) internal successors, (68), 17 states have internal predecessors, (68), 6 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 4 states have call predecessors, (20), 6 states have call successors, (20) [2024-11-13 16:08:40,747 INFO L276 IsEmpty]: Start isEmpty. Operand 5163 states and 5882 transitions. [2024-11-13 16:08:40,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-13 16:08:40,750 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:08:40,750 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:08:40,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-13 16:08:40,750 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:08:40,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:08:40,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1830479446, now seen corresponding path program 1 times [2024-11-13 16:08:40,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:08:40,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580765485] [2024-11-13 16:08:40,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:08:40,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:08:40,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:41,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:08:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:41,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:08:41,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:41,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:08:41,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:41,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:08:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:41,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:08:41,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:41,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:08:41,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:41,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:08:41,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:41,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:08:41,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:41,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:08:41,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:41,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:08:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:41,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:08:41,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:41,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:08:41,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:41,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:08:41,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:41,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:08:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:41,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:08:41,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:41,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:08:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:41,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:08:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:41,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:08:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:41,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:08:41,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:41,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:08:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:41,839 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 102 proven. 6 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2024-11-13 16:08:41,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:08:41,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580765485] [2024-11-13 16:08:41,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580765485] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:08:41,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378797358] [2024-11-13 16:08:41,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:08:41,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:08:41,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9de55-1790-424e-9c2e-a4a4cc271e8d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:08:41,844 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9de55-1790-424e-9c2e-a4a4cc271e8d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:08:41,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9de55-1790-424e-9c2e-a4a4cc271e8d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 16:08:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:42,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 16:08:42,242 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:08:42,293 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 73 treesize of output 43 [2024-11-13 16:08:42,793 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:08:42,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 32 [2024-11-13 16:08:42,915 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:08:42,916 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:08:42,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378797358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:08:42,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:08:42,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2024-11-13 16:08:42,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850155609] [2024-11-13 16:08:42,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:08:42,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 16:08:42,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:08:42,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 16:08:42,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2024-11-13 16:08:42,918 INFO L87 Difference]: Start difference. First operand 5163 states and 5882 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:08:44,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:08:44,955 INFO L93 Difference]: Finished difference Result 9353 states and 10654 transitions. [2024-11-13 16:08:44,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 16:08:44,955 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 165 [2024-11-13 16:08:44,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:08:44,967 INFO L225 Difference]: With dead ends: 9353 [2024-11-13 16:08:44,967 INFO L226 Difference]: Without dead ends: 5991 [2024-11-13 16:08:44,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2024-11-13 16:08:44,973 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 76 mSDsluCounter, 1058 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 1279 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 16:08:44,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 1279 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 16:08:44,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5991 states. [2024-11-13 16:08:45,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5991 to 4907. [2024-11-13 16:08:45,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4907 states, 4511 states have (on average 1.116825537574817) internal successors, (5038), 4531 states have internal predecessors, (5038), 272 states have call successors, (272), 123 states have call predecessors, (272), 123 states have return successors, (272), 252 states have call predecessors, (272), 272 states have call successors, (272) [2024-11-13 16:08:45,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4907 states to 4907 states and 5582 transitions. [2024-11-13 16:08:45,722 INFO L78 Accepts]: Start accepts. Automaton has 4907 states and 5582 transitions. Word has length 165 [2024-11-13 16:08:45,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:08:45,722 INFO L471 AbstractCegarLoop]: Abstraction has 4907 states and 5582 transitions. [2024-11-13 16:08:45,723 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:08:45,723 INFO L276 IsEmpty]: Start isEmpty. Operand 4907 states and 5582 transitions. [2024-11-13 16:08:45,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-13 16:08:45,725 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:08:45,725 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:08:45,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9de55-1790-424e-9c2e-a4a4cc271e8d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 16:08:45,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9de55-1790-424e-9c2e-a4a4cc271e8d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-11-13 16:08:45,926 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:08:45,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:08:45,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1545994428, now seen corresponding path program 1 times [2024-11-13 16:08:45,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:08:45,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753589506] [2024-11-13 16:08:45,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:08:45,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:08:45,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:47,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:08:47,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:47,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:08:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:47,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:08:47,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:47,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:08:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:47,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:08:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:47,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:08:47,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:47,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:08:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:47,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:08:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:47,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:08:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:47,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:08:47,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:47,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:08:47,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:47,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:08:47,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:47,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:08:47,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:47,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:08:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:47,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:08:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:47,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:08:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:47,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:08:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:47,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:08:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:47,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:08:47,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:47,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:08:47,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:47,760 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:08:47,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:08:47,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753589506] [2024-11-13 16:08:47,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753589506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:08:47,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:08:47,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-13 16:08:47,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727889372] [2024-11-13 16:08:47,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:08:47,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-13 16:08:47,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:08:47,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 16:08:47,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2024-11-13 16:08:47,762 INFO L87 Difference]: Start difference. First operand 4907 states and 5582 transitions. Second operand has 18 states, 16 states have (on average 4.3125) internal successors, (69), 18 states have internal predecessors, (69), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 5 states have call successors, (20) [2024-11-13 16:08:52,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:08:52,936 INFO L93 Difference]: Finished difference Result 11850 states and 13351 transitions. [2024-11-13 16:08:52,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-13 16:08:52,937 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 4.3125) internal successors, (69), 18 states have internal predecessors, (69), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 5 states have call successors, (20) Word has length 166 [2024-11-13 16:08:52,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:08:52,952 INFO L225 Difference]: With dead ends: 11850 [2024-11-13 16:08:52,952 INFO L226 Difference]: Without dead ends: 8708 [2024-11-13 16:08:52,958 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=271, Invalid=989, Unknown=0, NotChecked=0, Total=1260 [2024-11-13 16:08:52,958 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 972 mSDsluCounter, 1054 mSDsCounter, 0 mSdLazyCounter, 1261 mSolverCounterSat, 368 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 972 SdHoareTripleChecker+Valid, 1196 SdHoareTripleChecker+Invalid, 1629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 368 IncrementalHoareTripleChecker+Valid, 1261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-13 16:08:52,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [972 Valid, 1196 Invalid, 1629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [368 Valid, 1261 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-13 16:08:52,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8708 states. [2024-11-13 16:08:53,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8708 to 5059. [2024-11-13 16:08:53,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5059 states, 4663 states have (on average 1.1162341840017156) internal successors, (5205), 4683 states have internal predecessors, (5205), 272 states have call successors, (272), 123 states have call predecessors, (272), 123 states have return successors, (272), 252 states have call predecessors, (272), 272 states have call successors, (272) [2024-11-13 16:08:53,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5059 states to 5059 states and 5749 transitions. [2024-11-13 16:08:53,951 INFO L78 Accepts]: Start accepts. Automaton has 5059 states and 5749 transitions. Word has length 166 [2024-11-13 16:08:53,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:08:53,951 INFO L471 AbstractCegarLoop]: Abstraction has 5059 states and 5749 transitions. [2024-11-13 16:08:53,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 4.3125) internal successors, (69), 18 states have internal predecessors, (69), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 5 states have call successors, (20) [2024-11-13 16:08:53,951 INFO L276 IsEmpty]: Start isEmpty. Operand 5059 states and 5749 transitions. [2024-11-13 16:08:53,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-13 16:08:53,954 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:08:53,954 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:08:53,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-13 16:08:53,955 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:08:53,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:08:53,955 INFO L85 PathProgramCache]: Analyzing trace with hash -973965506, now seen corresponding path program 1 times [2024-11-13 16:08:53,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:08:53,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866381060] [2024-11-13 16:08:53,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:08:53,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:08:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:54,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:08:54,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:54,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:08:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:54,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:08:54,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:54,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:08:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:54,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:08:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:54,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:08:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:54,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:08:54,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:54,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:08:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:54,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:08:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:54,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:08:54,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:54,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:08:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:54,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:08:54,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:54,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:08:54,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:54,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:08:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:54,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:08:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:54,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:08:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:54,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:08:54,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:54,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:08:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:54,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:08:54,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:54,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:08:54,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:54,221 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:08:54,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:08:54,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866381060] [2024-11-13 16:08:54,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866381060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:08:54,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:08:54,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 16:08:54,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253822450] [2024-11-13 16:08:54,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:08:54,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 16:08:54,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:08:54,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 16:08:54,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:08:54,224 INFO L87 Difference]: Start difference. First operand 5059 states and 5749 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:08:55,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:08:55,555 INFO L93 Difference]: Finished difference Result 5181 states and 5894 transitions. [2024-11-13 16:08:55,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 16:08:55,556 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 166 [2024-11-13 16:08:55,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:08:55,566 INFO L225 Difference]: With dead ends: 5181 [2024-11-13 16:08:55,566 INFO L226 Difference]: Without dead ends: 5179 [2024-11-13 16:08:55,568 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:08:55,569 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 0 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 847 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:08:55,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 847 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:08:55,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5179 states. [2024-11-13 16:08:56,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5179 to 5083. [2024-11-13 16:08:56,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5083 states, 4687 states have (on average 1.1156390014934927) internal successors, (5229), 4707 states have internal predecessors, (5229), 272 states have call successors, (272), 123 states have call predecessors, (272), 123 states have return successors, (272), 252 states have call predecessors, (272), 272 states have call successors, (272) [2024-11-13 16:08:56,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5083 states to 5083 states and 5773 transitions. [2024-11-13 16:08:56,519 INFO L78 Accepts]: Start accepts. Automaton has 5083 states and 5773 transitions. Word has length 166 [2024-11-13 16:08:56,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:08:56,519 INFO L471 AbstractCegarLoop]: Abstraction has 5083 states and 5773 transitions. [2024-11-13 16:08:56,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:08:56,520 INFO L276 IsEmpty]: Start isEmpty. Operand 5083 states and 5773 transitions. [2024-11-13 16:08:56,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-13 16:08:56,522 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:08:56,522 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:08:56,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-13 16:08:56,523 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:08:56,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:08:56,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1265196736, now seen corresponding path program 1 times [2024-11-13 16:08:56,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:08:56,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517540667] [2024-11-13 16:08:56,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:08:56,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:08:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:57,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:08:57,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:57,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:08:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:57,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:08:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:57,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:08:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:57,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:08:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:57,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:08:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:57,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:08:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:57,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:08:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:57,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:08:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:57,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:08:57,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:57,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:08:57,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:57,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:08:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:57,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:08:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:57,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:08:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:57,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:08:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:57,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:08:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:57,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:08:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:57,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:08:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:57,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:08:57,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:57,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:08:57,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:57,087 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:08:57,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:08:57,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517540667] [2024-11-13 16:08:57,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517540667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:08:57,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:08:57,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 16:08:57,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219091524] [2024-11-13 16:08:57,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:08:57,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:08:57,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:08:57,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:08:57,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:08:57,089 INFO L87 Difference]: Start difference. First operand 5083 states and 5773 transitions. Second operand has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:08:59,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:08:59,305 INFO L93 Difference]: Finished difference Result 13213 states and 14936 transitions. [2024-11-13 16:08:59,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:08:59,305 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 166 [2024-11-13 16:08:59,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:08:59,320 INFO L225 Difference]: With dead ends: 13213 [2024-11-13 16:08:59,320 INFO L226 Difference]: Without dead ends: 9023 [2024-11-13 16:08:59,326 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:08:59,327 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 90 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 797 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 16:08:59,327 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 797 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 16:08:59,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9023 states. [2024-11-13 16:09:01,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9023 to 8871. [2024-11-13 16:09:01,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8871 states, 8117 states have (on average 1.1043488973758777) internal successors, (8964), 8161 states have internal predecessors, (8964), 516 states have call successors, (516), 237 states have call predecessors, (516), 237 states have return successors, (516), 472 states have call predecessors, (516), 516 states have call successors, (516) [2024-11-13 16:09:01,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8871 states to 8871 states and 9996 transitions. [2024-11-13 16:09:01,286 INFO L78 Accepts]: Start accepts. Automaton has 8871 states and 9996 transitions. Word has length 166 [2024-11-13 16:09:01,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:09:01,286 INFO L471 AbstractCegarLoop]: Abstraction has 8871 states and 9996 transitions. [2024-11-13 16:09:01,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 16:09:01,286 INFO L276 IsEmpty]: Start isEmpty. Operand 8871 states and 9996 transitions. [2024-11-13 16:09:01,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-13 16:09:01,291 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:09:01,291 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:09:01,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-13 16:09:01,291 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:09:01,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:09:01,292 INFO L85 PathProgramCache]: Analyzing trace with hash -469128888, now seen corresponding path program 1 times [2024-11-13 16:09:01,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:09:01,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443425293] [2024-11-13 16:09:01,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:09:01,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:09:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:01,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:09:01,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:01,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:09:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:01,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:09:01,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:01,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:09:01,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:01,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:09:01,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:01,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:09:01,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:01,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:09:01,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:01,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:09:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:01,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:09:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:01,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:09:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:01,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:09:01,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:01,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:09:01,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:01,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:09:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:01,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:09:01,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:01,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:09:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:01,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:09:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:01,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:09:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:01,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:09:01,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:01,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:09:01,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:01,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:09:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:01,664 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:09:01,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:09:01,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443425293] [2024-11-13 16:09:01,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443425293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:09:01,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:09:01,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 16:09:01,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184896117] [2024-11-13 16:09:01,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:09:01,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 16:09:01,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:09:01,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 16:09:01,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-13 16:09:01,667 INFO L87 Difference]: Start difference. First operand 8871 states and 9996 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:09:04,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:09:04,170 INFO L93 Difference]: Finished difference Result 10482 states and 11805 transitions. [2024-11-13 16:09:04,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 16:09:04,171 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 167 [2024-11-13 16:09:04,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:09:04,197 INFO L225 Difference]: With dead ends: 10482 [2024-11-13 16:09:04,197 INFO L226 Difference]: Without dead ends: 10480 [2024-11-13 16:09:04,201 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-13 16:09:04,202 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 62 mSDsluCounter, 1122 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 1328 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:09:04,202 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 1328 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 16:09:04,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10480 states. [2024-11-13 16:09:06,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10480 to 9994. [2024-11-13 16:09:06,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9994 states, 9240 states have (on average 1.1073593073593073) internal successors, (10232), 9284 states have internal predecessors, (10232), 516 states have call successors, (516), 237 states have call predecessors, (516), 237 states have return successors, (516), 472 states have call predecessors, (516), 516 states have call successors, (516) [2024-11-13 16:09:06,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9994 states to 9994 states and 11264 transitions. [2024-11-13 16:09:06,040 INFO L78 Accepts]: Start accepts. Automaton has 9994 states and 11264 transitions. Word has length 167 [2024-11-13 16:09:06,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:09:06,041 INFO L471 AbstractCegarLoop]: Abstraction has 9994 states and 11264 transitions. [2024-11-13 16:09:06,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:09:06,041 INFO L276 IsEmpty]: Start isEmpty. Operand 9994 states and 11264 transitions. [2024-11-13 16:09:06,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-13 16:09:06,045 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:09:06,045 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:09:06,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-11-13 16:09:06,046 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:09:06,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:09:06,046 INFO L85 PathProgramCache]: Analyzing trace with hash -863495674, now seen corresponding path program 1 times [2024-11-13 16:09:06,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:09:06,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830724838] [2024-11-13 16:09:06,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:09:06,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:09:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:07,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:09:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:07,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:09:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:07,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:09:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:07,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:09:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:07,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:09:07,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:07,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:09:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:07,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:09:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:07,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:09:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:07,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:09:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:07,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:09:07,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:07,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:09:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:07,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:09:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:07,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:09:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:07,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:09:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:07,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:09:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:07,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:09:07,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:07,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:09:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:07,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:09:07,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:07,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:09:07,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:07,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:09:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:07,945 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:09:07,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:09:07,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830724838] [2024-11-13 16:09:07,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830724838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:09:07,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:09:07,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-13 16:09:07,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581820390] [2024-11-13 16:09:07,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:09:07,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-13 16:09:07,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:09:07,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 16:09:07,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2024-11-13 16:09:07,947 INFO L87 Difference]: Start difference. First operand 9994 states and 11264 transitions. Second operand has 18 states, 16 states have (on average 4.375) internal successors, (70), 18 states have internal predecessors, (70), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 5 states have call successors, (20) [2024-11-13 16:09:14,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:09:14,664 INFO L93 Difference]: Finished difference Result 21146 states and 23661 transitions. [2024-11-13 16:09:14,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 16:09:14,665 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 4.375) internal successors, (70), 18 states have internal predecessors, (70), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 5 states have call successors, (20) Word has length 167 [2024-11-13 16:09:14,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:09:14,689 INFO L225 Difference]: With dead ends: 21146 [2024-11-13 16:09:14,689 INFO L226 Difference]: Without dead ends: 14472 [2024-11-13 16:09:14,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 49 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=259, Invalid=1001, Unknown=0, NotChecked=0, Total=1260 [2024-11-13 16:09:14,701 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 738 mSDsluCounter, 1322 mSDsCounter, 0 mSdLazyCounter, 1372 mSolverCounterSat, 372 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 738 SdHoareTripleChecker+Valid, 1486 SdHoareTripleChecker+Invalid, 1744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 372 IncrementalHoareTripleChecker+Valid, 1372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-13 16:09:14,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [738 Valid, 1486 Invalid, 1744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [372 Valid, 1372 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-13 16:09:14,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14472 states. [2024-11-13 16:09:16,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14472 to 10147. [2024-11-13 16:09:16,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10147 states, 9393 states have (on average 1.1073139572021717) internal successors, (10401), 9437 states have internal predecessors, (10401), 516 states have call successors, (516), 237 states have call predecessors, (516), 237 states have return successors, (516), 472 states have call predecessors, (516), 516 states have call successors, (516) [2024-11-13 16:09:16,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10147 states to 10147 states and 11433 transitions. [2024-11-13 16:09:16,639 INFO L78 Accepts]: Start accepts. Automaton has 10147 states and 11433 transitions. Word has length 167 [2024-11-13 16:09:16,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:09:16,640 INFO L471 AbstractCegarLoop]: Abstraction has 10147 states and 11433 transitions. [2024-11-13 16:09:16,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 4.375) internal successors, (70), 18 states have internal predecessors, (70), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 5 states have call successors, (20) [2024-11-13 16:09:16,640 INFO L276 IsEmpty]: Start isEmpty. Operand 10147 states and 11433 transitions. [2024-11-13 16:09:16,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-13 16:09:16,644 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:09:16,645 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:09:16,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-11-13 16:09:16,645 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:09:16,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:09:16,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1144293366, now seen corresponding path program 1 times [2024-11-13 16:09:16,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:09:16,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102452222] [2024-11-13 16:09:16,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:09:16,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:09:16,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:17,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:09:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:17,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 16:09:17,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:17,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 16:09:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:17,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 16:09:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:17,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 16:09:17,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:17,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 16:09:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:17,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 16:09:17,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:17,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 16:09:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:17,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 16:09:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:17,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:09:17,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:17,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:09:17,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:17,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:09:17,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:17,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:09:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:17,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:09:17,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:17,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:09:17,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:17,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:09:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:17,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 16:09:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:17,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 16:09:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:17,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 16:09:17,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:17,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 16:09:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:17,387 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 16:09:17,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:09:17,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102452222] [2024-11-13 16:09:17,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102452222] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:09:17,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:09:17,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 16:09:17,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378432176] [2024-11-13 16:09:17,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:09:17,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 16:09:17,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:09:17,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 16:09:17,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:09:17,389 INFO L87 Difference]: Start difference. First operand 10147 states and 11433 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:09:20,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:09:20,800 INFO L93 Difference]: Finished difference Result 19376 states and 21787 transitions. [2024-11-13 16:09:20,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 16:09:20,801 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 167 [2024-11-13 16:09:20,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:09:20,808 INFO L225 Difference]: With dead ends: 19376 [2024-11-13 16:09:20,808 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 16:09:20,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-13 16:09:20,827 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 62 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 16:09:20,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 854 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 16:09:20,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 16:09:20,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 16:09:20,828 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 16:09:20,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 16:09:20,835 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 167 [2024-11-13 16:09:20,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:09:20,835 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 16:09:20,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 16:09:20,836 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 16:09:20,836 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 16:09:20,839 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 16:09:20,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-11-13 16:09:20,843 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] [2024-11-13 16:09:20,845 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.