./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.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_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/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_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/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_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/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 0cbadd5c8de40e45d11c8c9bd5d5aa33e26bba45cb60181d9a1abcae7f03bb4b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:44:21,286 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:44:21,389 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 13:44:21,397 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:44:21,397 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:44:21,446 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:44:21,448 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:44:21,448 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:44:21,449 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:44:21,449 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:44:21,449 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:44:21,449 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:44:21,450 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:44:21,450 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:44:21,452 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:44:21,452 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:44:21,452 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:44:21,453 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:44:21,453 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:44:21,453 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:44:21,453 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:44:21,453 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:44:21,453 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:44:21,453 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:44:21,453 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:44:21,453 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:44:21,453 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:44:21,454 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:44:21,454 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:44:21,454 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:44:21,454 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:44:21,454 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:44:21,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:44:21,455 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:44:21,455 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:44:21,455 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:44:21,456 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:44:21,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:44:21,457 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:44:21,457 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:44:21,457 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:44:21,457 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:44:21,457 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_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/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 -> 0cbadd5c8de40e45d11c8c9bd5d5aa33e26bba45cb60181d9a1abcae7f03bb4b [2024-11-13 13:44:21,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:44:21,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:44:21,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:44:21,853 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:44:21,853 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:44:21,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i Unable to find full path for "g++" [2024-11-13 13:44:23,987 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:44:24,015 ERROR L? ?]: Error during toolchain job processing: java.lang.NullPointerException: Cannot invoke "String.equalsIgnoreCase(String)" because "kindStr" is null at org.eclipse.cdt.internal.core.model.PathEntry.kindFromString(PathEntry.java:80) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.decodePathEntry(DefaultPathEntryStore.java:127) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.getRawPathEntries(DefaultPathEntryStore.java:97) at org.eclipse.cdt.internal.core.model.PathEntryStoreProxy.getRawPathEntries(PathEntryStoreProxy.java:102) at org.eclipse.cdt.internal.core.model.PathEntryManager.getRawPathEntries(PathEntryManager.java:666) at org.eclipse.cdt.core.model.CoreModel.getRawPathEntries(CoreModel.java:937) at org.eclipse.cdt.core.model.CoreModel.oldIsScannerInformationEmpty(CoreModel.java:1307) at org.eclipse.cdt.core.model.CoreModel.isScannerInformationEmpty(CoreModel.java:1252) at org.eclipse.cdt.internal.core.pdom.indexer.ProjectIndexerInputAdapter.isFileBuildConfigured(ProjectIndexerInputAdapter.java:267) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.isRequiredInIndex(AbstractIndexerTask.java:748) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.extractFiles(AbstractIndexerTask.java:667) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.runTask(AbstractIndexerTask.java:558) at org.eclipse.cdt.internal.core.pdom.indexer.PDOMIndexerTask.run(PDOMIndexerTask.java:164) at org.eclipse.cdt.internal.core.pdom.PDOMIndexerJob.run(PDOMIndexerJob.java:160) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 13:44:24,444 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:44:24,445 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i [2024-11-13 13:44:24,456 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/data/f465702f2/55d81f2e37fc42ba892fbbd2612712ae/FLAG9a65d7dce [2024-11-13 13:44:24,475 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/data/f465702f2/55d81f2e37fc42ba892fbbd2612712ae [2024-11-13 13:44:24,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:44:24,480 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:44:24,482 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:44:24,482 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:44:24,492 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:44:24,493 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:44:24" (1/1) ... [2024-11-13 13:44:24,494 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b45f36d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:44:24, skipping insertion in model container [2024-11-13 13:44:24,494 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:44:24" (1/1) ... [2024-11-13 13:44:24,527 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:44:24,686 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_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i[919,932] [2024-11-13 13:44:24,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:44:24,778 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:44:24,791 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_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i[919,932] [2024-11-13 13:44:24,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:44:24,856 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:44:24,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:44:24 WrapperNode [2024-11-13 13:44:24,857 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:44:24,858 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:44:24,858 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:44:24,858 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:44:24,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:44:24" (1/1) ... [2024-11-13 13:44:24,887 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:44:24" (1/1) ... [2024-11-13 13:44:24,954 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 179 [2024-11-13 13:44:24,954 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:44:24,958 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:44:24,958 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:44:24,958 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:44:24,969 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:44:24" (1/1) ... [2024-11-13 13:44:24,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:44:24" (1/1) ... [2024-11-13 13:44:24,973 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:44:24" (1/1) ... [2024-11-13 13:44:24,992 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 13:44:24,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:44:24" (1/1) ... [2024-11-13 13:44:24,993 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:44:24" (1/1) ... [2024-11-13 13:44:25,003 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:44:24" (1/1) ... [2024-11-13 13:44:25,008 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:44:24" (1/1) ... [2024-11-13 13:44:25,010 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:44:24" (1/1) ... [2024-11-13 13:44:25,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:44:24" (1/1) ... [2024-11-13 13:44:25,017 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:44:25,018 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:44:25,018 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:44:25,018 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:44:25,019 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:44:24" (1/1) ... [2024-11-13 13:44:25,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:44:25,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:44:25,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:44:25,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:44:25,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:44:25,095 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 13:44:25,095 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 13:44:25,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:44:25,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:44:25,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:44:25,202 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:44:25,204 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:44:25,753 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 13:44:25,753 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:44:25,766 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:44:25,766 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 13:44:25,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:44:25 BoogieIcfgContainer [2024-11-13 13:44:25,767 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:44:25,770 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:44:25,771 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:44:25,776 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:44:25,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:44:24" (1/3) ... [2024-11-13 13:44:25,777 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20ed7b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:44:25, skipping insertion in model container [2024-11-13 13:44:25,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:44:24" (2/3) ... [2024-11-13 13:44:25,778 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20ed7b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:44:25, skipping insertion in model container [2024-11-13 13:44:25,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:44:25" (3/3) ... [2024-11-13 13:44:25,779 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i [2024-11-13 13:44:25,798 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:44:25,800 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i that has 2 procedures, 81 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 13:44:25,869 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:44:25,884 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;@2b59e40f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:44:25,884 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 13:44:25,889 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 56 states have (on average 1.5) internal successors, (84), 57 states have internal predecessors, (84), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-13 13:44:25,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-13 13:44:25,904 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:44:25,905 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:44:25,906 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:44:25,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:44:25,910 INFO L85 PathProgramCache]: Analyzing trace with hash -2025950294, now seen corresponding path program 1 times [2024-11-13 13:44:25,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:44:25,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479056592] [2024-11-13 13:44:25,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:44:25,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:44:26,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:26,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:44:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:26,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:44:26,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:26,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:44:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:26,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:44:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:26,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:44:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:26,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:44:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:26,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:44:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:26,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:44:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:26,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 13:44:26,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:26,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 13:44:26,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:26,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:44:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:26,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:44:26,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:26,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:44:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:26,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 13:44:26,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:26,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:44:26,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:26,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 13:44:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:26,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:44:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:26,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 13:44:26,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:26,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 13:44:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:26,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 13:44:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:26,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 13:44:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:26,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 13:44:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:26,558 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 13:44:26,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:44:26,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479056592] [2024-11-13 13:44:26,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479056592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:44:26,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:44:26,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:44:26,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109782265] [2024-11-13 13:44:26,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:44:26,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:44:26,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:44:26,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:44:26,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:44:26,609 INFO L87 Difference]: Start difference. First operand has 81 states, 56 states have (on average 1.5) internal successors, (84), 57 states have internal predecessors, (84), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-13 13:44:26,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:44:26,662 INFO L93 Difference]: Finished difference Result 155 states and 272 transitions. [2024-11-13 13:44:26,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:44:26,664 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 149 [2024-11-13 13:44:26,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:44:26,675 INFO L225 Difference]: With dead ends: 155 [2024-11-13 13:44:26,675 INFO L226 Difference]: Without dead ends: 77 [2024-11-13 13:44:26,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 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 13:44:26,688 INFO L432 NwaCegarLoop]: 121 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, 121 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 13:44:26,689 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:44:26,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-13 13:44:26,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-13 13:44:26,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 53 states have (on average 1.4528301886792452) internal successors, (77), 53 states have internal predecessors, (77), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-13 13:44:26,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 121 transitions. [2024-11-13 13:44:26,753 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 121 transitions. Word has length 149 [2024-11-13 13:44:26,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:44:26,754 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 121 transitions. [2024-11-13 13:44:26,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-13 13:44:26,754 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 121 transitions. [2024-11-13 13:44:26,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-13 13:44:26,761 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:44:26,763 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:44:26,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:44:26,763 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:44:26,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:44:26,764 INFO L85 PathProgramCache]: Analyzing trace with hash -762248794, now seen corresponding path program 1 times [2024-11-13 13:44:26,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:44:26,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864461275] [2024-11-13 13:44:26,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:44:26,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:44:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:27,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:44:27,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:27,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:44:27,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:27,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:44:27,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:27,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:44:27,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:27,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:44:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:27,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:44:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:27,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:44:27,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:27,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:44:27,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:27,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 13:44:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:27,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 13:44:27,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:27,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:44:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:27,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:44:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:27,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:44:27,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:27,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 13:44:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:27,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:44:27,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:27,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 13:44:27,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:27,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:44:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:27,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 13:44:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:27,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 13:44:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:27,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 13:44:27,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:27,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 13:44:27,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:27,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 13:44:27,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:27,442 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 13:44:27,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:44:27,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864461275] [2024-11-13 13:44:27,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864461275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:44:27,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:44:27,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:44:27,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776049177] [2024-11-13 13:44:27,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:44:27,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:44:27,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:44:27,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:44:27,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:44:27,446 INFO L87 Difference]: Start difference. First operand 77 states and 121 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-13 13:44:27,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:44:27,541 INFO L93 Difference]: Finished difference Result 151 states and 239 transitions. [2024-11-13 13:44:27,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:44:27,550 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 149 [2024-11-13 13:44:27,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:44:27,553 INFO L225 Difference]: With dead ends: 151 [2024-11-13 13:44:27,553 INFO L226 Difference]: Without dead ends: 77 [2024-11-13 13:44:27,557 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:44:27,558 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 72 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:44:27,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 106 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:44:27,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-13 13:44:27,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-13 13:44:27,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 53 states have internal predecessors, (76), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-13 13:44:27,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 120 transitions. [2024-11-13 13:44:27,584 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 120 transitions. Word has length 149 [2024-11-13 13:44:27,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:44:27,586 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 120 transitions. [2024-11-13 13:44:27,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-13 13:44:27,589 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 120 transitions. [2024-11-13 13:44:27,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-13 13:44:27,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:44:27,594 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:44:27,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:44:27,594 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:44:27,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:44:27,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1012758568, now seen corresponding path program 1 times [2024-11-13 13:44:27,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:44:27,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845263786] [2024-11-13 13:44:27,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:44:27,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:44:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:28,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:44:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:28,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:44:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:28,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:44:28,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:28,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:44:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:28,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:44:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:28,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:44:28,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:28,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:44:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:28,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:44:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:28,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 13:44:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:28,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 13:44:28,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:28,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:44:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:28,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:44:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:28,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:44:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:28,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 13:44:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:28,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:44:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:28,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 13:44:28,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:28,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:44:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:28,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 13:44:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:28,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 13:44:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:28,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 13:44:28,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:28,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 13:44:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:28,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 13:44:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:28,422 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 13:44:28,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:44:28,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845263786] [2024-11-13 13:44:28,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845263786] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:44:28,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:44:28,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 13:44:28,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304922739] [2024-11-13 13:44:28,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:44:28,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:44:28,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:44:28,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:44:28,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:44:28,429 INFO L87 Difference]: Start difference. First operand 77 states and 120 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:44:29,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:44:29,083 INFO L93 Difference]: Finished difference Result 251 states and 403 transitions. [2024-11-13 13:44:29,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:44:29,084 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 149 [2024-11-13 13:44:29,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:44:29,087 INFO L225 Difference]: With dead ends: 251 [2024-11-13 13:44:29,087 INFO L226 Difference]: Without dead ends: 177 [2024-11-13 13:44:29,088 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:44:29,089 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 148 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:44:29,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 435 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:44:29,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-13 13:44:29,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 139. [2024-11-13 13:44:29,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 91 states have (on average 1.4065934065934067) internal successors, (128), 91 states have internal predecessors, (128), 44 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-13 13:44:29,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 216 transitions. [2024-11-13 13:44:29,139 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 216 transitions. Word has length 149 [2024-11-13 13:44:29,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:44:29,140 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 216 transitions. [2024-11-13 13:44:29,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:44:29,140 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 216 transitions. [2024-11-13 13:44:29,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-13 13:44:29,146 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:44:29,147 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:44:29,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 13:44:29,147 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:44:29,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:44:29,148 INFO L85 PathProgramCache]: Analyzing trace with hash -676185174, now seen corresponding path program 1 times [2024-11-13 13:44:29,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:44:29,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527710573] [2024-11-13 13:44:29,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:44:29,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:44:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:30,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:44:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:30,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:44:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:30,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:44:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:30,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:44:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:30,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:44:30,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:30,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:44:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:30,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:44:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:30,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:44:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:30,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 13:44:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:30,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 13:44:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:30,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:44:30,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:30,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:44:30,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:30,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:44:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:30,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 13:44:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:30,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:44:30,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:30,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 13:44:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:30,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:44:30,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:30,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 13:44:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:30,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 13:44:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:30,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 13:44:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:30,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 13:44:30,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:30,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 13:44:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:30,101 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 13:44:30,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:44:30,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527710573] [2024-11-13 13:44:30,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527710573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:44:30,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:44:30,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:44:30,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802711445] [2024-11-13 13:44:30,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:44:30,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:44:30,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:44:30,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:44:30,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:44:30,103 INFO L87 Difference]: Start difference. First operand 139 states and 216 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-13 13:44:30,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:44:30,538 INFO L93 Difference]: Finished difference Result 269 states and 420 transitions. [2024-11-13 13:44:30,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:44:30,538 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 149 [2024-11-13 13:44:30,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:44:30,541 INFO L225 Difference]: With dead ends: 269 [2024-11-13 13:44:30,541 INFO L226 Difference]: Without dead ends: 195 [2024-11-13 13:44:30,541 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:44:30,546 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 169 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:44:30,547 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 268 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:44:30,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-13 13:44:30,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 192. [2024-11-13 13:44:30,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 137 states have (on average 1.4525547445255473) internal successors, (199), 138 states have internal predecessors, (199), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-13 13:44:30,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 299 transitions. [2024-11-13 13:44:30,601 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 299 transitions. Word has length 149 [2024-11-13 13:44:30,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:44:30,602 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 299 transitions. [2024-11-13 13:44:30,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-13 13:44:30,603 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 299 transitions. [2024-11-13 13:44:30,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-13 13:44:30,607 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:44:30,608 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:44:30,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 13:44:30,608 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:44:30,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:44:30,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1228572505, now seen corresponding path program 1 times [2024-11-13 13:44:30,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:44:30,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763385349] [2024-11-13 13:44:30,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:44:30,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:44:30,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:34,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:44:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:34,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:44:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:34,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:44:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:34,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:44:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:34,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:44:34,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:34,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:44:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:34,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:44:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:34,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:44:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:34,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 13:44:34,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:34,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 13:44:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:34,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:44:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:34,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:44:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:34,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:44:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:34,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 13:44:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:34,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:44:34,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:34,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 13:44:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:34,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:44:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:34,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 13:44:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:34,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 13:44:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:34,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 13:44:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:34,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 13:44:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:34,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 13:44:34,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:34,724 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 13:44:34,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:44:34,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763385349] [2024-11-13 13:44:34,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763385349] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:44:34,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:44:34,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-13 13:44:34,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860281268] [2024-11-13 13:44:34,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:44:34,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 13:44:34,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:44:34,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 13:44:34,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:44:34,729 INFO L87 Difference]: Start difference. First operand 192 states and 299 transitions. Second operand has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 3 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-13 13:44:39,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:44:39,603 INFO L93 Difference]: Finished difference Result 423 states and 660 transitions. [2024-11-13 13:44:39,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:44:39,604 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 3 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 150 [2024-11-13 13:44:39,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:44:39,608 INFO L225 Difference]: With dead ends: 423 [2024-11-13 13:44:39,608 INFO L226 Difference]: Without dead ends: 305 [2024-11-13 13:44:39,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=126, Invalid=336, Unknown=0, NotChecked=0, Total=462 [2024-11-13 13:44:39,611 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 354 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 1214 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 892 SdHoareTripleChecker+Invalid, 1225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:44:39,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 892 Invalid, 1225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1214 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-13 13:44:39,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-11-13 13:44:39,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 224. [2024-11-13 13:44:39,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 166 states have (on average 1.4578313253012047) internal successors, (242), 168 states have internal predecessors, (242), 52 states have call successors, (52), 5 states have call predecessors, (52), 5 states have return successors, (52), 50 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-13 13:44:39,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 346 transitions. [2024-11-13 13:44:39,677 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 346 transitions. Word has length 150 [2024-11-13 13:44:39,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:44:39,678 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 346 transitions. [2024-11-13 13:44:39,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 3 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-13 13:44:39,678 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 346 transitions. [2024-11-13 13:44:39,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-13 13:44:39,682 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:44:39,683 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:44:39,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 13:44:39,683 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:44:39,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:44:39,684 INFO L85 PathProgramCache]: Analyzing trace with hash -606508147, now seen corresponding path program 1 times [2024-11-13 13:44:39,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:44:39,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108918964] [2024-11-13 13:44:39,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:44:39,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:44:39,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:44,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:44:44,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:44,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:44:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:44,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:44:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:44,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:44:44,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:44,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:44:44,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:44,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:44:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:44,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:44:44,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:44,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:44:44,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:44,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 13:44:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:44,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 13:44:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:44,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:44:44,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:44,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:44:44,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:44,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:44:44,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:44,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 13:44:44,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:44,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:44:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:44,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 13:44:44,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:44,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:44:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:44,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 13:44:44,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:44,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 13:44:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:44,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 13:44:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:44,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 13:44:44,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:44,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 13:44:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:44,127 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 13:44:44,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:44:44,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108918964] [2024-11-13 13:44:44,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108918964] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:44:44,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:44:44,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-13 13:44:44,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983757388] [2024-11-13 13:44:44,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:44:44,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-13 13:44:44,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:44:44,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-13 13:44:44,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-13 13:44:44,133 INFO L87 Difference]: Start difference. First operand 224 states and 346 transitions. Second operand has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:44:45,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:44:45,578 INFO L93 Difference]: Finished difference Result 427 states and 642 transitions. [2024-11-13 13:44:45,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 13:44:45,579 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2024-11-13 13:44:45,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:44:45,581 INFO L225 Difference]: With dead ends: 427 [2024-11-13 13:44:45,582 INFO L226 Difference]: Without dead ends: 309 [2024-11-13 13:44:45,582 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-11-13 13:44:45,583 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 216 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:44:45,584 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 624 Invalid, 608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 598 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 13:44:45,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-11-13 13:44:45,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 254. [2024-11-13 13:44:45,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 195 states have (on average 1.4461538461538461) internal successors, (282), 197 states have internal predecessors, (282), 52 states have call successors, (52), 6 states have call predecessors, (52), 6 states have return successors, (52), 50 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-13 13:44:45,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 386 transitions. [2024-11-13 13:44:45,616 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 386 transitions. Word has length 150 [2024-11-13 13:44:45,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:44:45,617 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 386 transitions. [2024-11-13 13:44:45,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:44:45,617 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 386 transitions. [2024-11-13 13:44:45,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-13 13:44:45,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:44:45,619 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:44:45,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 13:44:45,620 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:44:45,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:44:45,620 INFO L85 PathProgramCache]: Analyzing trace with hash -604661105, now seen corresponding path program 1 times [2024-11-13 13:44:45,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:44:45,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874695570] [2024-11-13 13:44:45,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:44:45,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:44:45,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:53,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:44:53,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:53,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:44:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:53,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:44:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:53,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:44:53,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:53,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:44:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:53,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:44:53,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:53,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:44:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:53,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:44:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:53,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 13:44:53,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:53,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 13:44:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:53,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:44:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:53,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:44:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:53,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:44:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:53,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 13:44:53,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:53,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:44:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:53,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 13:44:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:53,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:44:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:53,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 13:44:53,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:53,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 13:44:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:53,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 13:44:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:53,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 13:44:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:53,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 13:44:53,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:44:53,867 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 13:44:53,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:44:53,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874695570] [2024-11-13 13:44:53,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874695570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:44:53,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:44:53,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-13 13:44:53,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244129190] [2024-11-13 13:44:53,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:44:53,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-13 13:44:53,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:44:53,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-13 13:44:53,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-13 13:44:53,871 INFO L87 Difference]: Start difference. First operand 254 states and 386 transitions. Second operand has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:44:57,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:44:57,758 INFO L93 Difference]: Finished difference Result 504 states and 735 transitions. [2024-11-13 13:44:57,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 13:44:57,759 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2024-11-13 13:44:57,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:44:57,762 INFO L225 Difference]: With dead ends: 504 [2024-11-13 13:44:57,762 INFO L226 Difference]: Without dead ends: 502 [2024-11-13 13:44:57,765 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2024-11-13 13:44:57,767 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 317 mSDsluCounter, 722 mSDsCounter, 0 mSdLazyCounter, 810 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:44:57,769 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 841 Invalid, 810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 810 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-13 13:44:57,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2024-11-13 13:44:57,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 409. [2024-11-13 13:44:57,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 316 states have (on average 1.4588607594936709) internal successors, (461), 320 states have internal predecessors, (461), 82 states have call successors, (82), 10 states have call predecessors, (82), 10 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-13 13:44:57,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 625 transitions. [2024-11-13 13:44:57,852 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 625 transitions. Word has length 150 [2024-11-13 13:44:57,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:44:57,853 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 625 transitions. [2024-11-13 13:44:57,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:44:57,853 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 625 transitions. [2024-11-13 13:44:57,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-13 13:44:57,855 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:44:57,856 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:44:57,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 13:44:57,856 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:44:57,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:44:57,857 INFO L85 PathProgramCache]: Analyzing trace with hash -348342709, now seen corresponding path program 1 times [2024-11-13 13:44:57,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:44:57,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371255549] [2024-11-13 13:44:57,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:44:57,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:44:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:22,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:45:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:22,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:45:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:22,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:45:22,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:22,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:45:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:22,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:45:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:22,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:45:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:22,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:45:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:22,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:45:22,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:22,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 13:45:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:22,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 13:45:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:22,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:45:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:22,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:45:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:22,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:45:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:22,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 13:45:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:22,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:45:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:22,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 13:45:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:22,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:45:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:22,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 13:45:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:22,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 13:45:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:22,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 13:45:22,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:22,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 13:45:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:22,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 13:45:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:22,563 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 13:45:22,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:45:22,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371255549] [2024-11-13 13:45:22,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371255549] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:45:22,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:45:22,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-13 13:45:22,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662117228] [2024-11-13 13:45:22,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:45:22,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-13 13:45:22,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:45:22,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-13 13:45:22,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-13 13:45:22,566 INFO L87 Difference]: Start difference. First operand 409 states and 625 transitions. Second operand has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:45:24,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:45:24,840 INFO L93 Difference]: Finished difference Result 461 states and 681 transitions. [2024-11-13 13:45:24,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 13:45:24,841 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2024-11-13 13:45:24,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:45:24,844 INFO L225 Difference]: With dead ends: 461 [2024-11-13 13:45:24,844 INFO L226 Difference]: Without dead ends: 459 [2024-11-13 13:45:24,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-11-13 13:45:24,846 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 156 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:45:24,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 624 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 13:45:24,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2024-11-13 13:45:24,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 414. [2024-11-13 13:45:24,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 321 states have (on average 1.4579439252336448) internal successors, (468), 325 states have internal predecessors, (468), 82 states have call successors, (82), 10 states have call predecessors, (82), 10 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-13 13:45:24,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 632 transitions. [2024-11-13 13:45:24,897 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 632 transitions. Word has length 150 [2024-11-13 13:45:24,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:45:24,898 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 632 transitions. [2024-11-13 13:45:24,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:45:24,898 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 632 transitions. [2024-11-13 13:45:24,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-13 13:45:24,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:45:24,901 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:45:24,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 13:45:24,901 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:45:24,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:45:24,902 INFO L85 PathProgramCache]: Analyzing trace with hash -346495667, now seen corresponding path program 1 times [2024-11-13 13:45:24,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:45:24,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490721680] [2024-11-13 13:45:24,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:45:24,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:45:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:32,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:45:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:32,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:45:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:32,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:45:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:32,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:45:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:32,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:45:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:32,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:45:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:32,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:45:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:32,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:45:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:32,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 13:45:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:32,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 13:45:32,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:32,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:45:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:32,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:45:32,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:32,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:45:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:32,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 13:45:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:32,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:45:32,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:32,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 13:45:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:32,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:45:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:32,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 13:45:32,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:32,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 13:45:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:32,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 13:45:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:32,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 13:45:32,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:32,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 13:45:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:32,770 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 13:45:32,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:45:32,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490721680] [2024-11-13 13:45:32,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490721680] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:45:32,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:45:32,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-13 13:45:32,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515050662] [2024-11-13 13:45:32,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:45:32,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-13 13:45:32,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:45:32,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 13:45:32,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-13 13:45:32,773 INFO L87 Difference]: Start difference. First operand 414 states and 632 transitions. Second operand has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:45:34,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:45:34,853 INFO L93 Difference]: Finished difference Result 474 states and 695 transitions. [2024-11-13 13:45:34,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 13:45:34,854 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2024-11-13 13:45:34,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:45:34,858 INFO L225 Difference]: With dead ends: 474 [2024-11-13 13:45:34,858 INFO L226 Difference]: Without dead ends: 472 [2024-11-13 13:45:34,858 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-11-13 13:45:34,861 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 141 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 808 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 823 SdHoareTripleChecker+Invalid, 808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:45:34,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 823 Invalid, 808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 808 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 13:45:34,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2024-11-13 13:45:34,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 414. [2024-11-13 13:45:34,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 321 states have (on average 1.4579439252336448) internal successors, (468), 325 states have internal predecessors, (468), 82 states have call successors, (82), 10 states have call predecessors, (82), 10 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-13 13:45:34,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 632 transitions. [2024-11-13 13:45:34,918 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 632 transitions. Word has length 150 [2024-11-13 13:45:34,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:45:34,919 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 632 transitions. [2024-11-13 13:45:34,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:45:34,919 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 632 transitions. [2024-11-13 13:45:34,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-13 13:45:34,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:45:34,922 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:45:34,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 13:45:34,922 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:45:34,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:45:34,923 INFO L85 PathProgramCache]: Analyzing trace with hash 2100111247, now seen corresponding path program 1 times [2024-11-13 13:45:34,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:45:34,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222814851] [2024-11-13 13:45:34,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:45:34,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:45:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:34,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:45:34,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:34,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:45:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:34,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:45:34,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:34,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:45:34,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:34,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:45:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:34,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:45:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:45:35,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:45:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 13:45:35,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 13:45:35,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:45:35,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:45:35,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:45:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 13:45:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:45:35,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 13:45:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:45:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 13:45:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 13:45:35,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 13:45:35,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 13:45:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 13:45:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,038 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 13:45:35,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:45:35,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222814851] [2024-11-13 13:45:35,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222814851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:45:35,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:45:35,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:45:35,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656030938] [2024-11-13 13:45:35,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:45:35,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:45:35,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:45:35,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:45:35,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:45:35,040 INFO L87 Difference]: Start difference. First operand 414 states and 632 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:45:35,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:45:35,147 INFO L93 Difference]: Finished difference Result 893 states and 1356 transitions. [2024-11-13 13:45:35,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:45:35,147 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2024-11-13 13:45:35,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:45:35,152 INFO L225 Difference]: With dead ends: 893 [2024-11-13 13:45:35,152 INFO L226 Difference]: Without dead ends: 561 [2024-11-13 13:45:35,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:45:35,154 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 99 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:45:35,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 314 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:45:35,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2024-11-13 13:45:35,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 555. [2024-11-13 13:45:35,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 428 states have (on average 1.3714953271028036) internal successors, (587), 434 states have internal predecessors, (587), 112 states have call successors, (112), 14 states have call predecessors, (112), 14 states have return successors, (112), 106 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-13 13:45:35,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 811 transitions. [2024-11-13 13:45:35,217 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 811 transitions. Word has length 150 [2024-11-13 13:45:35,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:45:35,217 INFO L471 AbstractCegarLoop]: Abstraction has 555 states and 811 transitions. [2024-11-13 13:45:35,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:45:35,218 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 811 transitions. [2024-11-13 13:45:35,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-13 13:45:35,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:45:35,220 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:45:35,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 13:45:35,220 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:45:35,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:45:35,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1493791471, now seen corresponding path program 1 times [2024-11-13 13:45:35,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:45:35,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126862656] [2024-11-13 13:45:35,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:45:35,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:45:35,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:45:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:45:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:45:35,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:45:35,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:45:35,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:45:35,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:45:35,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:45:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 13:45:35,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 13:45:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:45:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:45:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:45:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 13:45:35,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:45:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 13:45:35,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:45:35,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 13:45:35,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 13:45:35,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 13:45:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 13:45:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 13:45:35,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:35,424 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 13:45:35,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:45:35,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126862656] [2024-11-13 13:45:35,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126862656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:45:35,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:45:35,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:45:35,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306567354] [2024-11-13 13:45:35,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:45:35,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:45:35,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:45:35,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:45:35,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:45:35,427 INFO L87 Difference]: Start difference. First operand 555 states and 811 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:45:35,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:45:35,819 INFO L93 Difference]: Finished difference Result 1193 states and 1718 transitions. [2024-11-13 13:45:35,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:45:35,820 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2024-11-13 13:45:35,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:45:35,826 INFO L225 Difference]: With dead ends: 1193 [2024-11-13 13:45:35,826 INFO L226 Difference]: Without dead ends: 783 [2024-11-13 13:45:35,828 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 13:45:35,829 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 99 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:45:35,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 394 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:45:35,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2024-11-13 13:45:35,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 756. [2024-11-13 13:45:35,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 756 states, 586 states have (on average 1.3447098976109215) internal successors, (788), 596 states have internal predecessors, (788), 148 states have call successors, (148), 21 states have call predecessors, (148), 21 states have return successors, (148), 138 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-13 13:45:35,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 1084 transitions. [2024-11-13 13:45:35,922 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 1084 transitions. Word has length 150 [2024-11-13 13:45:35,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:45:35,922 INFO L471 AbstractCegarLoop]: Abstraction has 756 states and 1084 transitions. [2024-11-13 13:45:35,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:45:35,923 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 1084 transitions. [2024-11-13 13:45:35,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-13 13:45:35,925 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:45:35,925 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:45:35,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 13:45:35,926 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:45:35,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:45:35,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1235626033, now seen corresponding path program 1 times [2024-11-13 13:45:35,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:45:35,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642645102] [2024-11-13 13:45:35,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:45:35,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:45:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:39,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:45:39,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:39,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:45:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:39,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:45:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:39,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:45:39,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:39,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:45:39,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:39,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:45:39,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:39,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:45:39,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:39,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:45:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:39,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 13:45:39,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:39,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 13:45:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:39,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:45:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:39,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:45:39,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:39,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:45:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:39,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 13:45:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:39,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:45:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:39,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 13:45:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:39,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:45:39,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:39,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 13:45:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:39,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 13:45:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:39,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 13:45:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:39,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 13:45:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:39,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 13:45:39,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:39,190 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 13:45:39,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:45:39,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642645102] [2024-11-13 13:45:39,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642645102] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:45:39,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:45:39,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-13 13:45:39,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192323756] [2024-11-13 13:45:39,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:45:39,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 13:45:39,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:45:39,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 13:45:39,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:45:39,192 INFO L87 Difference]: Start difference. First operand 756 states and 1084 transitions. Second operand has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:45:40,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:45:40,602 INFO L93 Difference]: Finished difference Result 847 states and 1184 transitions. [2024-11-13 13:45:40,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:45:40,603 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2024-11-13 13:45:40,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:45:40,611 INFO L225 Difference]: With dead ends: 847 [2024-11-13 13:45:40,611 INFO L226 Difference]: Without dead ends: 845 [2024-11-13 13:45:40,611 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2024-11-13 13:45:40,613 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 300 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:45:40,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 648 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 13:45:40,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2024-11-13 13:45:40,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 791. [2024-11-13 13:45:40,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 618 states have (on average 1.338187702265372) internal successors, (827), 629 states have internal predecessors, (827), 150 states have call successors, (150), 22 states have call predecessors, (150), 22 states have return successors, (150), 139 states have call predecessors, (150), 150 states have call successors, (150) [2024-11-13 13:45:40,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1127 transitions. [2024-11-13 13:45:40,714 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1127 transitions. Word has length 150 [2024-11-13 13:45:40,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:45:40,715 INFO L471 AbstractCegarLoop]: Abstraction has 791 states and 1127 transitions. [2024-11-13 13:45:40,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:45:40,715 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1127 transitions. [2024-11-13 13:45:40,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-13 13:45:40,717 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:45:40,718 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:45:40,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 13:45:40,718 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:45:40,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:45:40,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1233778991, now seen corresponding path program 1 times [2024-11-13 13:45:40,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:45:40,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635706859] [2024-11-13 13:45:40,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:45:40,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:45:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:44,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:45:44,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:44,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:45:44,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:44,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:45:44,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:44,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:45:44,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:44,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:45:44,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:44,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:45:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:44,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:45:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:44,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:45:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:44,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 13:45:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:44,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 13:45:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:44,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:45:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:44,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:45:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:44,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:45:44,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:44,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 13:45:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:44,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:45:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:44,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 13:45:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:44,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:45:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:44,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 13:45:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:44,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 13:45:44,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:44,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 13:45:44,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:44,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 13:45:44,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:44,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 13:45:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:44,476 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 13:45:44,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:45:44,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635706859] [2024-11-13 13:45:44,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635706859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:45:44,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:45:44,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-13 13:45:44,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141496574] [2024-11-13 13:45:44,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:45:44,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 13:45:44,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:45:44,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 13:45:44,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-13 13:45:44,479 INFO L87 Difference]: Start difference. First operand 791 states and 1127 transitions. Second operand has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:45:46,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:45:46,567 INFO L93 Difference]: Finished difference Result 845 states and 1182 transitions. [2024-11-13 13:45:46,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 13:45:46,567 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2024-11-13 13:45:46,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:45:46,572 INFO L225 Difference]: With dead ends: 845 [2024-11-13 13:45:46,573 INFO L226 Difference]: Without dead ends: 843 [2024-11-13 13:45:46,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2024-11-13 13:45:46,574 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 306 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:45:46,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 749 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 737 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-13 13:45:46,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2024-11-13 13:45:46,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 791. [2024-11-13 13:45:46,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 618 states have (on average 1.338187702265372) internal successors, (827), 629 states have internal predecessors, (827), 150 states have call successors, (150), 22 states have call predecessors, (150), 22 states have return successors, (150), 139 states have call predecessors, (150), 150 states have call successors, (150) [2024-11-13 13:45:46,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1127 transitions. [2024-11-13 13:45:46,668 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1127 transitions. Word has length 150 [2024-11-13 13:45:46,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:45:46,669 INFO L471 AbstractCegarLoop]: Abstraction has 791 states and 1127 transitions. [2024-11-13 13:45:46,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:45:46,669 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1127 transitions. [2024-11-13 13:45:46,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-13 13:45:46,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:45:46,672 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:45:46,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 13:45:46,673 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:45:46,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:45:46,673 INFO L85 PathProgramCache]: Analyzing trace with hash -343828828, now seen corresponding path program 1 times [2024-11-13 13:45:46,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:45:46,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41236476] [2024-11-13 13:45:46,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:45:46,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:45:46,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:46,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:45:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:46,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:45:46,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:46,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:45:46,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:46,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:45:46,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:46,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:45:46,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:46,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:45:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:46,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:45:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:46,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:45:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:46,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 13:45:46,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:46,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 13:45:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:46,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:45:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:46,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:45:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:46,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:45:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:46,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 13:45:46,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:46,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:45:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:46,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 13:45:46,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:46,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:45:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:46,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 13:45:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:46,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 13:45:46,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:46,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 13:45:46,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:46,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 13:45:46,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:46,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 13:45:46,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:46,812 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 13:45:46,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:45:46,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41236476] [2024-11-13 13:45:46,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41236476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:45:46,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:45:46,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:45:46,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257013155] [2024-11-13 13:45:46,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:45:46,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:45:46,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:45:46,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:45:46,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:45:46,814 INFO L87 Difference]: Start difference. First operand 791 states and 1127 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:45:47,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:45:47,119 INFO L93 Difference]: Finished difference Result 1420 states and 2018 transitions. [2024-11-13 13:45:47,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:45:47,120 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-13 13:45:47,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:45:47,125 INFO L225 Difference]: With dead ends: 1420 [2024-11-13 13:45:47,125 INFO L226 Difference]: Without dead ends: 808 [2024-11-13 13:45:47,127 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 13:45:47,127 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 128 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:45:47,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 416 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:45:47,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2024-11-13 13:45:47,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 752. [2024-11-13 13:45:47,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 585 states have (on average 1.34017094017094) internal successors, (784), 594 states have internal predecessors, (784), 144 states have call successors, (144), 22 states have call predecessors, (144), 22 states have return successors, (144), 135 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-13 13:45:47,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1072 transitions. [2024-11-13 13:45:47,205 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1072 transitions. Word has length 151 [2024-11-13 13:45:47,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:45:47,206 INFO L471 AbstractCegarLoop]: Abstraction has 752 states and 1072 transitions. [2024-11-13 13:45:47,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:45:47,206 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1072 transitions. [2024-11-13 13:45:47,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-13 13:45:47,208 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:45:47,208 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:45:47,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 13:45:47,208 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:45:47,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:45:47,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1688562242, now seen corresponding path program 1 times [2024-11-13 13:45:47,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:45:47,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478108122] [2024-11-13 13:45:47,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:45:47,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:45:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:50,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:45:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:50,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:45:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:50,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:45:50,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:50,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:45:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:50,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:45:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:50,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:45:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:50,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:45:50,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:50,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:45:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:50,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 13:45:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:50,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 13:45:50,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:50,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:45:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:50,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:45:50,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:50,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:45:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:50,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 13:45:50,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:50,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:45:50,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:50,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 13:45:50,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:50,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:45:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:50,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 13:45:50,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:50,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 13:45:50,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:50,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 13:45:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:50,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 13:45:50,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:50,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 13:45:50,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:50,676 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 13:45:50,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:45:50,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478108122] [2024-11-13 13:45:50,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478108122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:45:50,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:45:50,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-13 13:45:50,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929935571] [2024-11-13 13:45:50,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:45:50,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-13 13:45:50,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:45:50,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 13:45:50,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2024-11-13 13:45:50,678 INFO L87 Difference]: Start difference. First operand 752 states and 1072 transitions. Second operand has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:45:52,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:45:52,644 INFO L93 Difference]: Finished difference Result 1478 states and 2121 transitions. [2024-11-13 13:45:52,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 13:45:52,645 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-13 13:45:52,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:45:52,650 INFO L225 Difference]: With dead ends: 1478 [2024-11-13 13:45:52,651 INFO L226 Difference]: Without dead ends: 1080 [2024-11-13 13:45:52,652 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2024-11-13 13:45:52,653 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 353 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 816 SdHoareTripleChecker+Invalid, 777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:45:52,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 816 Invalid, 777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-13 13:45:52,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1080 states. [2024-11-13 13:45:52,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1080 to 817. [2024-11-13 13:45:52,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 817 states, 648 states have (on average 1.3549382716049383) internal successors, (878), 657 states have internal predecessors, (878), 144 states have call successors, (144), 24 states have call predecessors, (144), 24 states have return successors, (144), 135 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-13 13:45:52,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 1166 transitions. [2024-11-13 13:45:52,761 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 1166 transitions. Word has length 151 [2024-11-13 13:45:52,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:45:52,762 INFO L471 AbstractCegarLoop]: Abstraction has 817 states and 1166 transitions. [2024-11-13 13:45:52,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:45:52,762 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1166 transitions. [2024-11-13 13:45:52,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-13 13:45:52,765 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:45:52,765 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:45:52,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 13:45:52,765 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:45:52,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:45:52,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1686715200, now seen corresponding path program 1 times [2024-11-13 13:45:52,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:45:52,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83139170] [2024-11-13 13:45:52,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:45:52,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:45:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:57,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:45:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:57,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:45:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:57,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:45:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:57,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:45:57,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:57,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:45:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:57,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:45:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:57,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:45:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:57,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:45:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:57,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 13:45:57,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:57,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 13:45:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:57,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:45:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:57,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:45:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:57,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:45:57,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:57,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 13:45:57,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:57,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:45:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:57,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 13:45:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:57,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:45:57,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:57,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 13:45:57,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:57,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 13:45:57,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:57,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 13:45:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:57,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 13:45:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:57,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 13:45:57,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:57,378 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 13:45:57,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:45:57,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83139170] [2024-11-13 13:45:57,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83139170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:45:57,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:45:57,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-13 13:45:57,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834890480] [2024-11-13 13:45:57,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:45:57,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-13 13:45:57,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:45:57,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-13 13:45:57,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2024-11-13 13:45:57,380 INFO L87 Difference]: Start difference. First operand 817 states and 1166 transitions. Second operand has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:46:00,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:46:00,130 INFO L93 Difference]: Finished difference Result 1068 states and 1504 transitions. [2024-11-13 13:46:00,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 13:46:00,130 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-13 13:46:00,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:46:00,136 INFO L225 Difference]: With dead ends: 1068 [2024-11-13 13:46:00,136 INFO L226 Difference]: Without dead ends: 1066 [2024-11-13 13:46:00,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=120, Invalid=222, Unknown=0, NotChecked=0, Total=342 [2024-11-13 13:46:00,137 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 320 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 1045 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 981 SdHoareTripleChecker+Invalid, 1060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:46:00,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 981 Invalid, 1060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1045 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-13 13:46:00,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2024-11-13 13:46:00,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 817. [2024-11-13 13:46:00,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 817 states, 648 states have (on average 1.3549382716049383) internal successors, (878), 657 states have internal predecessors, (878), 144 states have call successors, (144), 24 states have call predecessors, (144), 24 states have return successors, (144), 135 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-13 13:46:00,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 1166 transitions. [2024-11-13 13:46:00,238 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 1166 transitions. Word has length 151 [2024-11-13 13:46:00,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:46:00,238 INFO L471 AbstractCegarLoop]: Abstraction has 817 states and 1166 transitions. [2024-11-13 13:46:00,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:46:00,239 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1166 transitions. [2024-11-13 13:46:00,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-13 13:46:00,240 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:46:00,240 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:46:00,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 13:46:00,241 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:46:00,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:46:00,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1430396804, now seen corresponding path program 1 times [2024-11-13 13:46:00,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:46:00,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609230031] [2024-11-13 13:46:00,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:46:00,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:46:00,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:04,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:46:04,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:04,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:46:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:04,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:46:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:04,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:46:04,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:04,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:46:04,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:04,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:46:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:04,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:46:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:04,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:46:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:04,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 13:46:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:04,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 13:46:04,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:04,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:46:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:04,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:46:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:04,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:46:04,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:04,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 13:46:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:04,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:46:04,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:04,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 13:46:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:04,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:46:04,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:04,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 13:46:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:04,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 13:46:04,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:04,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 13:46:04,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:04,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 13:46:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:04,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 13:46:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:04,332 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 13:46:04,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:46:04,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609230031] [2024-11-13 13:46:04,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609230031] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:46:04,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:46:04,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-13 13:46:04,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745965579] [2024-11-13 13:46:04,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:46:04,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-13 13:46:04,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:46:04,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 13:46:04,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2024-11-13 13:46:04,334 INFO L87 Difference]: Start difference. First operand 817 states and 1166 transitions. Second operand has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:46:06,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:46:06,114 INFO L93 Difference]: Finished difference Result 1077 states and 1514 transitions. [2024-11-13 13:46:06,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 13:46:06,114 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-13 13:46:06,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:46:06,118 INFO L225 Difference]: With dead ends: 1077 [2024-11-13 13:46:06,118 INFO L226 Difference]: Without dead ends: 1075 [2024-11-13 13:46:06,118 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2024-11-13 13:46:06,119 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 356 mSDsluCounter, 762 mSDsCounter, 0 mSdLazyCounter, 867 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 904 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:46:06,119 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 904 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 867 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 13:46:06,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2024-11-13 13:46:06,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 825. [2024-11-13 13:46:06,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 825 states, 656 states have (on average 1.3551829268292683) internal successors, (889), 665 states have internal predecessors, (889), 144 states have call successors, (144), 24 states have call predecessors, (144), 24 states have return successors, (144), 135 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-13 13:46:06,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 1177 transitions. [2024-11-13 13:46:06,223 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 1177 transitions. Word has length 151 [2024-11-13 13:46:06,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:46:06,223 INFO L471 AbstractCegarLoop]: Abstraction has 825 states and 1177 transitions. [2024-11-13 13:46:06,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:46:06,224 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1177 transitions. [2024-11-13 13:46:06,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-13 13:46:06,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:46:06,225 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:46:06,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 13:46:06,226 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:46:06,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:46:06,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1428549762, now seen corresponding path program 1 times [2024-11-13 13:46:06,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:46:06,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488486335] [2024-11-13 13:46:06,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:46:06,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:46:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:43,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:46:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:43,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:46:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:43,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:46:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:43,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:46:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:43,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:46:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:43,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:46:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:43,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:46:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:43,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:46:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:43,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 13:46:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:43,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 13:46:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:43,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:46:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:44,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:46:44,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:44,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:46:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:44,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 13:46:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:44,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:46:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:44,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 13:46:44,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:44,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:46:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:44,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 13:46:44,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:44,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 13:46:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:44,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 13:46:44,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:44,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 13:46:44,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:44,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 13:46:44,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:44,023 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 13:46:44,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:46:44,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488486335] [2024-11-13 13:46:44,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488486335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:46:44,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:46:44,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-13 13:46:44,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273962496] [2024-11-13 13:46:44,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:46:44,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-13 13:46:44,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:46:44,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-13 13:46:44,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2024-11-13 13:46:44,026 INFO L87 Difference]: Start difference. First operand 825 states and 1177 transitions. Second operand has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:46:48,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:46:48,856 INFO L93 Difference]: Finished difference Result 1149 states and 1607 transitions. [2024-11-13 13:46:48,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 13:46:48,857 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-13 13:46:48,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:46:48,860 INFO L225 Difference]: With dead ends: 1149 [2024-11-13 13:46:48,860 INFO L226 Difference]: Without dead ends: 1147 [2024-11-13 13:46:48,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=237, Invalid=633, Unknown=0, NotChecked=0, Total=870 [2024-11-13 13:46:48,862 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 513 mSDsluCounter, 788 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 938 SdHoareTripleChecker+Invalid, 1228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 1163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:46:48,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [513 Valid, 938 Invalid, 1228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 1163 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-13 13:46:48,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2024-11-13 13:46:48,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 826. [2024-11-13 13:46:48,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 826 states, 657 states have (on average 1.3546423135464232) internal successors, (890), 666 states have internal predecessors, (890), 144 states have call successors, (144), 24 states have call predecessors, (144), 24 states have return successors, (144), 135 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-13 13:46:48,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 1178 transitions. [2024-11-13 13:46:48,966 INFO L78 Accepts]: Start accepts. Automaton has 826 states and 1178 transitions. Word has length 151 [2024-11-13 13:46:48,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:46:48,967 INFO L471 AbstractCegarLoop]: Abstraction has 826 states and 1178 transitions. [2024-11-13 13:46:48,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:46:48,967 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1178 transitions. [2024-11-13 13:46:48,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-13 13:46:48,968 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:46:48,968 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:46:48,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 13:46:48,969 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:46:48,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:46:48,969 INFO L85 PathProgramCache]: Analyzing trace with hash -868000678, now seen corresponding path program 1 times [2024-11-13 13:46:48,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:46:48,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312979445] [2024-11-13 13:46:48,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:46:48,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:46:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:49,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:46:49,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:49,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:46:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:49,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:46:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:49,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:46:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:49,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:46:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:49,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:46:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:49,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:46:49,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:49,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:46:49,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:49,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 13:46:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:49,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 13:46:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:49,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:46:49,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:49,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:46:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:49,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:46:49,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:49,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 13:46:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:49,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:46:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:49,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 13:46:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:49,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:46:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:49,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 13:46:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:49,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 13:46:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:49,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 13:46:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:49,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 13:46:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:49,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 13:46:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:49,165 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 12 proven. 51 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-13 13:46:49,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:46:49,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312979445] [2024-11-13 13:46:49,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312979445] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:46:49,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741473008] [2024-11-13 13:46:49,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:46:49,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:46:49,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:46:49,169 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:46:49,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 13:46:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:49,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 13:46:49,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:46:49,704 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 301 proven. 51 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2024-11-13 13:46:49,704 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:46:50,006 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 12 proven. 51 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-13 13:46:50,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [741473008] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:46:50,006 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:46:50,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-13 13:46:50,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636471756] [2024-11-13 13:46:50,007 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:46:50,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 13:46:50,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:46:50,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 13:46:50,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:46:50,011 INFO L87 Difference]: Start difference. First operand 826 states and 1178 transitions. Second operand has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 3 states have call successors, (56), 2 states have call predecessors, (56), 4 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2024-11-13 13:46:50,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:46:50,292 INFO L93 Difference]: Finished difference Result 1151 states and 1619 transitions. [2024-11-13 13:46:50,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 13:46:50,293 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 3 states have call successors, (56), 2 states have call predecessors, (56), 4 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) Word has length 151 [2024-11-13 13:46:50,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:46:50,296 INFO L225 Difference]: With dead ends: 1151 [2024-11-13 13:46:50,296 INFO L226 Difference]: Without dead ends: 387 [2024-11-13 13:46:50,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2024-11-13 13:46:50,299 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 229 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:46:50,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 255 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:46:50,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2024-11-13 13:46:50,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 379. [2024-11-13 13:46:50,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 271 states have (on average 1.2398523985239853) internal successors, (336), 272 states have internal predecessors, (336), 90 states have call successors, (90), 17 states have call predecessors, (90), 17 states have return successors, (90), 89 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-13 13:46:50,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 516 transitions. [2024-11-13 13:46:50,350 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 516 transitions. Word has length 151 [2024-11-13 13:46:50,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:46:50,351 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 516 transitions. [2024-11-13 13:46:50,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 3 states have call successors, (56), 2 states have call predecessors, (56), 4 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2024-11-13 13:46:50,351 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 516 transitions. [2024-11-13 13:46:50,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-13 13:46:50,352 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:46:50,353 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:46:50,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 13:46:50,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:46:50,568 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:46:50,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:46:50,568 INFO L85 PathProgramCache]: Analyzing trace with hash -388769767, now seen corresponding path program 1 times [2024-11-13 13:46:50,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:46:50,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254006819] [2024-11-13 13:46:50,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:46:50,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:46:50,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:54,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:46:54,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:54,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:46:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:54,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:46:54,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:54,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:46:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:54,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:46:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:54,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:46:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:54,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:46:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:54,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:46:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:54,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 13:46:54,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:54,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 13:46:54,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:54,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:46:54,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:54,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:46:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:54,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:46:54,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:54,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 13:46:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:54,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:46:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:54,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 13:46:54,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:54,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:46:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:54,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 13:46:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:54,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 13:46:54,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:54,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 13:46:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:54,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 13:46:54,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:54,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 13:46:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:54,563 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 13:46:54,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:46:54,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254006819] [2024-11-13 13:46:54,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254006819] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:46:54,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:46:54,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-13 13:46:54,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438178014] [2024-11-13 13:46:54,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:46:54,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-13 13:46:54,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:46:54,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-13 13:46:54,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2024-11-13 13:46:54,564 INFO L87 Difference]: Start difference. First operand 379 states and 516 transitions. Second operand has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:46:56,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:46:56,521 INFO L93 Difference]: Finished difference Result 712 states and 961 transitions. [2024-11-13 13:46:56,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 13:46:56,522 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-13 13:46:56,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:46:56,525 INFO L225 Difference]: With dead ends: 712 [2024-11-13 13:46:56,526 INFO L226 Difference]: Without dead ends: 710 [2024-11-13 13:46:56,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2024-11-13 13:46:56,527 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 292 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 824 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:46:56,527 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 565 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 824 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 13:46:56,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2024-11-13 13:46:56,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 675. [2024-11-13 13:46:56,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 675 states, 486 states have (on average 1.2489711934156378) internal successors, (607), 488 states have internal predecessors, (607), 158 states have call successors, (158), 30 states have call predecessors, (158), 30 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-13 13:46:56,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 923 transitions. [2024-11-13 13:46:56,634 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 923 transitions. Word has length 151 [2024-11-13 13:46:56,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:46:56,635 INFO L471 AbstractCegarLoop]: Abstraction has 675 states and 923 transitions. [2024-11-13 13:46:56,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:46:56,635 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 923 transitions. [2024-11-13 13:46:56,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-13 13:46:56,636 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:46:56,636 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:46:56,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 13:46:56,637 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:46:56,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:46:56,637 INFO L85 PathProgramCache]: Analyzing trace with hash -386922725, now seen corresponding path program 1 times [2024-11-13 13:46:56,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:46:56,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365379022] [2024-11-13 13:46:56,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:46:56,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:46:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:00,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:47:00,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:00,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:47:00,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:00,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:47:00,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:00,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:47:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:00,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:47:00,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:00,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:47:00,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:00,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:47:00,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:00,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:47:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:00,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 13:47:00,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:00,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 13:47:00,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:00,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:47:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:00,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:47:00,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:00,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:47:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:00,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 13:47:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:00,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:47:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:00,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 13:47:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:00,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:47:00,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:00,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 13:47:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:00,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 13:47:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:00,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 13:47:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:00,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 13:47:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:00,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 13:47:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:00,546 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 13:47:00,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:47:00,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365379022] [2024-11-13 13:47:00,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365379022] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:47:00,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:47:00,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-13 13:47:00,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461463982] [2024-11-13 13:47:00,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:47:00,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-13 13:47:00,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:47:00,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-13 13:47:00,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2024-11-13 13:47:00,548 INFO L87 Difference]: Start difference. First operand 675 states and 923 transitions. Second operand has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:47:03,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:47:03,102 INFO L93 Difference]: Finished difference Result 710 states and 959 transitions. [2024-11-13 13:47:03,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 13:47:03,103 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-13 13:47:03,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:47:03,106 INFO L225 Difference]: With dead ends: 710 [2024-11-13 13:47:03,106 INFO L226 Difference]: Without dead ends: 708 [2024-11-13 13:47:03,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2024-11-13 13:47:03,107 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 191 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 972 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 972 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:47:03,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 632 Invalid, 972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 972 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-13 13:47:03,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2024-11-13 13:47:03,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 684. [2024-11-13 13:47:03,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 495 states have (on average 1.2505050505050506) internal successors, (619), 497 states have internal predecessors, (619), 158 states have call successors, (158), 30 states have call predecessors, (158), 30 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-13 13:47:03,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 935 transitions. [2024-11-13 13:47:03,205 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 935 transitions. Word has length 151 [2024-11-13 13:47:03,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:47:03,205 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 935 transitions. [2024-11-13 13:47:03,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:47:03,205 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 935 transitions. [2024-11-13 13:47:03,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-13 13:47:03,207 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:47:03,207 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:47:03,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 13:47:03,207 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:47:03,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:03,207 INFO L85 PathProgramCache]: Analyzing trace with hash -973728739, now seen corresponding path program 1 times [2024-11-13 13:47:03,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:47:03,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985154176] [2024-11-13 13:47:03,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:03,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:47:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:08,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:47:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:08,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:47:08,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:08,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:47:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:08,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:47:08,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:08,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:47:08,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:08,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:47:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:08,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:47:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:08,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:47:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:08,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 13:47:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:08,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 13:47:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:08,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:47:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:08,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:47:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:08,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:47:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:08,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 13:47:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:08,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:47:08,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:08,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 13:47:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:08,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:47:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:08,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 13:47:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:08,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 13:47:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:08,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 13:47:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:08,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 13:47:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:08,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 13:47:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:08,163 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 13:47:08,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:47:08,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985154176] [2024-11-13 13:47:08,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985154176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:47:08,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:47:08,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-13 13:47:08,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537955351] [2024-11-13 13:47:08,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:47:08,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-13 13:47:08,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:47:08,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-13 13:47:08,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2024-11-13 13:47:08,165 INFO L87 Difference]: Start difference. First operand 684 states and 935 transitions. Second operand has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:47:11,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:47:11,059 INFO L93 Difference]: Finished difference Result 705 states and 954 transitions. [2024-11-13 13:47:11,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 13:47:11,060 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-13 13:47:11,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:47:11,064 INFO L225 Difference]: With dead ends: 705 [2024-11-13 13:47:11,064 INFO L226 Difference]: Without dead ends: 703 [2024-11-13 13:47:11,065 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2024-11-13 13:47:11,067 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 276 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 1041 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 1049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:47:11,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 637 Invalid, 1049 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1041 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-13 13:47:11,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2024-11-13 13:47:11,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 675. [2024-11-13 13:47:11,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 675 states, 486 states have (on average 1.2489711934156378) internal successors, (607), 488 states have internal predecessors, (607), 158 states have call successors, (158), 30 states have call predecessors, (158), 30 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-13 13:47:11,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 923 transitions. [2024-11-13 13:47:11,180 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 923 transitions. Word has length 151 [2024-11-13 13:47:11,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:47:11,182 INFO L471 AbstractCegarLoop]: Abstraction has 675 states and 923 transitions. [2024-11-13 13:47:11,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:47:11,182 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 923 transitions. [2024-11-13 13:47:11,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-13 13:47:11,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:47:11,183 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:47:11,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-13 13:47:11,184 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:47:11,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:11,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1920926042, now seen corresponding path program 1 times [2024-11-13 13:47:11,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:47:11,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126428454] [2024-11-13 13:47:11,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:11,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:47:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:11,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:47:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:11,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:47:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:11,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:47:11,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:11,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:47:11,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:11,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:47:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:11,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:47:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:11,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:47:11,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:11,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:47:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:11,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 13:47:11,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:11,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 13:47:11,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:11,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:47:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:11,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:47:11,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:11,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:47:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:11,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 13:47:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:11,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:47:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:11,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 13:47:11,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:11,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:47:11,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:11,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 13:47:11,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:11,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 13:47:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:11,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 13:47:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:11,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 13:47:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:11,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 13:47:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:11,435 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 57 proven. 6 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-13 13:47:11,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:47:11,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126428454] [2024-11-13 13:47:11,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126428454] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:47:11,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771446663] [2024-11-13 13:47:11,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:11,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:47:11,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:11,439 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:47:11,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 13:47:11,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:11,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 13:47:11,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:47:11,897 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 211 proven. 6 refuted. 0 times theorem prover too weak. 707 trivial. 0 not checked. [2024-11-13 13:47:11,897 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:47:12,150 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 57 proven. 6 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-13 13:47:12,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1771446663] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:47:12,150 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:47:12,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 13 [2024-11-13 13:47:12,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615915458] [2024-11-13 13:47:12,151 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:47:12,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 13:47:12,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:47:12,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 13:47:12,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:47:12,152 INFO L87 Difference]: Start difference. First operand 675 states and 923 transitions. Second operand has 13 states, 13 states have (on average 7.461538461538462) internal successors, (97), 13 states have internal predecessors, (97), 5 states have call successors, (66), 3 states have call predecessors, (66), 6 states have return successors, (66), 5 states have call predecessors, (66), 5 states have call successors, (66) [2024-11-13 13:47:12,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:47:12,976 INFO L93 Difference]: Finished difference Result 1643 states and 2207 transitions. [2024-11-13 13:47:12,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 13:47:12,977 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.461538461538462) internal successors, (97), 13 states have internal predecessors, (97), 5 states have call successors, (66), 3 states have call predecessors, (66), 6 states have return successors, (66), 5 states have call predecessors, (66), 5 states have call successors, (66) Word has length 151 [2024-11-13 13:47:12,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:47:12,982 INFO L225 Difference]: With dead ends: 1643 [2024-11-13 13:47:12,982 INFO L226 Difference]: Without dead ends: 1034 [2024-11-13 13:47:12,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 338 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=214, Invalid=488, Unknown=0, NotChecked=0, Total=702 [2024-11-13 13:47:12,985 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 206 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:47:12,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 486 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:47:12,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2024-11-13 13:47:13,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 992. [2024-11-13 13:47:13,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 992 states, 706 states have (on average 1.206798866855524) internal successors, (852), 714 states have internal predecessors, (852), 234 states have call successors, (234), 51 states have call predecessors, (234), 51 states have return successors, (234), 226 states have call predecessors, (234), 234 states have call successors, (234) [2024-11-13 13:47:13,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1320 transitions. [2024-11-13 13:47:13,146 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1320 transitions. Word has length 151 [2024-11-13 13:47:13,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:47:13,146 INFO L471 AbstractCegarLoop]: Abstraction has 992 states and 1320 transitions. [2024-11-13 13:47:13,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.461538461538462) internal successors, (97), 13 states have internal predecessors, (97), 5 states have call successors, (66), 3 states have call predecessors, (66), 6 states have return successors, (66), 5 states have call predecessors, (66), 5 states have call successors, (66) [2024-11-13 13:47:13,147 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1320 transitions. [2024-11-13 13:47:13,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-13 13:47:13,148 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:47:13,148 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:47:13,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-13 13:47:13,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-13 13:47:13,352 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:47:13,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:13,352 INFO L85 PathProgramCache]: Analyzing trace with hash 600727201, now seen corresponding path program 1 times [2024-11-13 13:47:13,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:47:13,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255967563] [2024-11-13 13:47:13,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:13,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:47:13,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:13,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:47:13,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:13,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:47:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:13,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:47:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:13,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:47:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:13,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:47:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:13,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:47:13,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:13,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:47:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:13,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:47:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:13,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 13:47:13,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:13,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 13:47:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:13,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:47:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:13,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:47:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:13,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:47:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:13,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 13:47:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:13,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:47:13,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:13,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 13:47:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:13,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:47:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:13,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 13:47:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:13,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 13:47:13,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:13,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 13:47:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:13,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 13:47:13,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:13,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 13:47:13,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:13,503 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 30 proven. 33 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-13 13:47:13,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:47:13,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255967563] [2024-11-13 13:47:13,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255967563] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:47:13,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507385240] [2024-11-13 13:47:13,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:13,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:47:13,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:13,508 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:47:13,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 13:47:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:13,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 13:47:13,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:47:13,818 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 481 proven. 33 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-13 13:47:13,818 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:47:14,007 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 30 proven. 33 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-13 13:47:14,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507385240] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:47:14,007 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:47:14,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-13 13:47:14,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058467109] [2024-11-13 13:47:14,007 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:47:14,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:47:14,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:47:14,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:47:14,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:47:14,009 INFO L87 Difference]: Start difference. First operand 992 states and 1320 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 3 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2024-11-13 13:47:14,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:47:14,307 INFO L93 Difference]: Finished difference Result 1979 states and 2601 transitions. [2024-11-13 13:47:14,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:47:14,310 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 3 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 151 [2024-11-13 13:47:14,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:47:14,316 INFO L225 Difference]: With dead ends: 1979 [2024-11-13 13:47:14,317 INFO L226 Difference]: Without dead ends: 1058 [2024-11-13 13:47:14,319 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:47:14,320 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 63 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:47:14,321 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 209 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:47:14,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2024-11-13 13:47:14,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 1036. [2024-11-13 13:47:14,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 739 states have (on average 1.1907983761840324) internal successors, (880), 747 states have internal predecessors, (880), 234 states have call successors, (234), 62 states have call predecessors, (234), 62 states have return successors, (234), 226 states have call predecessors, (234), 234 states have call successors, (234) [2024-11-13 13:47:14,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1348 transitions. [2024-11-13 13:47:14,492 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1348 transitions. Word has length 151 [2024-11-13 13:47:14,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:47:14,493 INFO L471 AbstractCegarLoop]: Abstraction has 1036 states and 1348 transitions. [2024-11-13 13:47:14,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 3 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2024-11-13 13:47:14,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1348 transitions. [2024-11-13 13:47:14,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-13 13:47:14,495 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:47:14,495 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:47:14,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 13:47:14,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:47:14,699 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:47:14,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:14,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1088216541, now seen corresponding path program 1 times [2024-11-13 13:47:14,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:47:14,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82928171] [2024-11-13 13:47:14,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:14,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:47:14,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:14,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:47:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:14,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:47:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:14,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:47:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:14,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:47:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:14,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:47:14,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:14,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:47:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:14,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:47:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:14,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:47:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:14,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 13:47:14,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:14,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 13:47:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:14,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:47:14,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:14,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:47:14,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:14,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:47:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:14,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 13:47:14,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:14,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:47:14,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:14,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 13:47:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:14,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:47:14,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:14,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 13:47:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:14,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 13:47:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:14,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 13:47:14,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:14,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 13:47:14,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:14,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 13:47:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:14,998 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 13:47:14,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:47:14,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82928171] [2024-11-13 13:47:14,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82928171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:47:14,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:47:14,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:47:14,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195732054] [2024-11-13 13:47:14,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:47:14,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:47:14,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:47:14,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:47:15,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:47:15,000 INFO L87 Difference]: Start difference. First operand 1036 states and 1348 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:47:15,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:47:15,503 INFO L93 Difference]: Finished difference Result 2009 states and 2614 transitions. [2024-11-13 13:47:15,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:47:15,504 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-13 13:47:15,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:47:15,509 INFO L225 Difference]: With dead ends: 2009 [2024-11-13 13:47:15,509 INFO L226 Difference]: Without dead ends: 1056 [2024-11-13 13:47:15,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:47:15,512 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 94 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:47:15,513 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 379 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:47:15,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2024-11-13 13:47:15,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 1036. [2024-11-13 13:47:15,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 738 states have (on average 1.1869918699186992) internal successors, (876), 746 states have internal predecessors, (876), 234 states have call successors, (234), 63 states have call predecessors, (234), 63 states have return successors, (234), 226 states have call predecessors, (234), 234 states have call successors, (234) [2024-11-13 13:47:15,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1344 transitions. [2024-11-13 13:47:15,712 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1344 transitions. Word has length 151 [2024-11-13 13:47:15,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:47:15,712 INFO L471 AbstractCegarLoop]: Abstraction has 1036 states and 1344 transitions. [2024-11-13 13:47:15,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:47:15,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1344 transitions. [2024-11-13 13:47:15,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-13 13:47:15,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:47:15,714 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:47:15,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-13 13:47:15,715 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:47:15,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:15,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1175483530, now seen corresponding path program 1 times [2024-11-13 13:47:15,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:47:15,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867749538] [2024-11-13 13:47:15,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:15,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:47:15,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:17,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:47:17,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:17,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:47:17,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:17,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:47:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:17,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:47:17,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:17,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:47:17,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:17,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:47:17,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:17,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:47:17,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:17,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:47:17,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:17,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 13:47:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:17,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 13:47:17,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:17,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:47:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:17,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:47:17,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:17,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:47:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:17,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 13:47:17,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:17,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:47:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:17,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 13:47:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:17,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:47:17,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:17,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 13:47:17,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:17,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 13:47:17,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:17,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 13:47:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:17,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 13:47:17,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:17,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 13:47:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:17,347 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 93 proven. 78 refuted. 0 times theorem prover too weak. 753 trivial. 0 not checked. [2024-11-13 13:47:17,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:47:17,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867749538] [2024-11-13 13:47:17,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867749538] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:47:17,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407973852] [2024-11-13 13:47:17,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:17,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:47:17,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:17,351 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:47:17,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 13:47:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:17,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 13:47:17,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:47:19,804 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 634 proven. 141 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2024-11-13 13:47:19,804 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:47:22,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407973852] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:47:22,230 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:47:22,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 19] total 27 [2024-11-13 13:47:22,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836674385] [2024-11-13 13:47:22,230 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:47:22,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-13 13:47:22,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:47:22,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-13 13:47:22,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=800, Unknown=0, NotChecked=0, Total=992 [2024-11-13 13:47:22,232 INFO L87 Difference]: Start difference. First operand 1036 states and 1344 transitions. Second operand has 27 states, 25 states have (on average 4.0) internal successors, (100), 25 states have internal predecessors, (100), 13 states have call successors, (41), 7 states have call predecessors, (41), 10 states have return successors, (42), 10 states have call predecessors, (42), 13 states have call successors, (42) [2024-11-13 13:47:25,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:47:25,254 INFO L93 Difference]: Finished difference Result 2045 states and 2513 transitions. [2024-11-13 13:47:25,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-13 13:47:25,255 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 25 states have (on average 4.0) internal successors, (100), 25 states have internal predecessors, (100), 13 states have call successors, (41), 7 states have call predecessors, (41), 10 states have return successors, (42), 10 states have call predecessors, (42), 13 states have call successors, (42) Word has length 152 [2024-11-13 13:47:25,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:47:25,262 INFO L225 Difference]: With dead ends: 2045 [2024-11-13 13:47:25,262 INFO L226 Difference]: Without dead ends: 1788 [2024-11-13 13:47:25,265 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 940 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=917, Invalid=2989, Unknown=0, NotChecked=0, Total=3906 [2024-11-13 13:47:25,265 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 344 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 880 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 880 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:47:25,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 479 Invalid, 976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 880 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 13:47:25,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1788 states. [2024-11-13 13:47:25,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1788 to 1198. [2024-11-13 13:47:25,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1198 states, 868 states have (on average 1.1762672811059909) internal successors, (1021), 872 states have internal predecessors, (1021), 226 states have call successors, (226), 103 states have call predecessors, (226), 103 states have return successors, (226), 222 states have call predecessors, (226), 226 states have call successors, (226) [2024-11-13 13:47:25,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 1198 states and 1473 transitions. [2024-11-13 13:47:25,473 INFO L78 Accepts]: Start accepts. Automaton has 1198 states and 1473 transitions. Word has length 152 [2024-11-13 13:47:25,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:47:25,473 INFO L471 AbstractCegarLoop]: Abstraction has 1198 states and 1473 transitions. [2024-11-13 13:47:25,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 25 states have (on average 4.0) internal successors, (100), 25 states have internal predecessors, (100), 13 states have call successors, (41), 7 states have call predecessors, (41), 10 states have return successors, (42), 10 states have call predecessors, (42), 13 states have call successors, (42) [2024-11-13 13:47:25,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1473 transitions. [2024-11-13 13:47:25,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-13 13:47:25,475 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:47:25,475 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:47:25,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-13 13:47:25,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-13 13:47:25,675 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:47:25,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:25,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1378652790, now seen corresponding path program 1 times [2024-11-13 13:47:25,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:47:25,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696140814] [2024-11-13 13:47:25,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:25,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:47:25,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:28,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:47:28,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:28,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:47:28,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:28,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:47:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:28,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:47:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:28,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:47:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:28,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:47:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:28,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:47:28,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:28,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:47:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:28,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 13:47:28,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:28,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 13:47:28,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:28,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:47:28,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:28,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:47:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:28,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:47:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:28,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 13:47:28,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:28,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:47:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:28,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 13:47:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:28,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:47:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:28,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 13:47:28,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:28,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 13:47:28,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:28,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 13:47:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:28,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 13:47:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:28,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 13:47:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:28,321 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 13:47:28,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:47:28,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696140814] [2024-11-13 13:47:28,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696140814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:47:28,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:47:28,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-13 13:47:28,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412925343] [2024-11-13 13:47:28,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:47:28,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 13:47:28,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:47:28,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 13:47:28,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:47:28,323 INFO L87 Difference]: Start difference. First operand 1198 states and 1473 transitions. Second operand has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:47:30,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:47:30,045 INFO L93 Difference]: Finished difference Result 1387 states and 1686 transitions. [2024-11-13 13:47:30,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:47:30,047 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-11-13 13:47:30,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:47:30,053 INFO L225 Difference]: With dead ends: 1387 [2024-11-13 13:47:30,053 INFO L226 Difference]: Without dead ends: 1385 [2024-11-13 13:47:30,054 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2024-11-13 13:47:30,054 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 172 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:47:30,055 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 654 Invalid, 766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 762 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 13:47:30,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2024-11-13 13:47:30,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 1202. [2024-11-13 13:47:30,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1202 states, 872 states have (on average 1.176605504587156) internal successors, (1026), 876 states have internal predecessors, (1026), 226 states have call successors, (226), 103 states have call predecessors, (226), 103 states have return successors, (226), 222 states have call predecessors, (226), 226 states have call successors, (226) [2024-11-13 13:47:30,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 1202 states and 1478 transitions. [2024-11-13 13:47:30,302 INFO L78 Accepts]: Start accepts. Automaton has 1202 states and 1478 transitions. Word has length 152 [2024-11-13 13:47:30,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:47:30,302 INFO L471 AbstractCegarLoop]: Abstraction has 1202 states and 1478 transitions. [2024-11-13 13:47:30,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:47:30,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1478 transitions. [2024-11-13 13:47:30,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-13 13:47:30,303 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:47:30,304 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:47:30,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-13 13:47:30,304 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:47:30,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:30,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1380499832, now seen corresponding path program 1 times [2024-11-13 13:47:30,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:47:30,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241300802] [2024-11-13 13:47:30,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:30,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:47:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:33,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:47:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:33,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:47:33,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:33,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:47:33,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:33,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:47:33,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:33,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:47:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:33,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:47:33,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:33,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:47:33,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:33,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:47:33,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:33,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 13:47:33,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:33,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 13:47:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:33,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:47:33,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:33,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:47:33,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:33,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:47:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:33,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 13:47:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:33,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:47:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:33,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 13:47:33,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:33,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:47:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:33,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 13:47:33,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:33,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 13:47:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:33,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 13:47:33,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:33,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 13:47:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:33,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 13:47:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:33,870 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 13:47:33,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:47:33,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241300802] [2024-11-13 13:47:33,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241300802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:47:33,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:47:33,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-13 13:47:33,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072491736] [2024-11-13 13:47:33,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:47:33,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 13:47:33,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:47:33,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 13:47:33,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-13 13:47:33,871 INFO L87 Difference]: Start difference. First operand 1202 states and 1478 transitions. Second operand has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:47:36,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:47:36,306 INFO L93 Difference]: Finished difference Result 1385 states and 1683 transitions. [2024-11-13 13:47:36,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 13:47:36,307 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-11-13 13:47:36,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:47:36,312 INFO L225 Difference]: With dead ends: 1385 [2024-11-13 13:47:36,312 INFO L226 Difference]: Without dead ends: 1383 [2024-11-13 13:47:36,313 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2024-11-13 13:47:36,313 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 168 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:47:36,313 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 751 Invalid, 865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 13:47:36,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1383 states. [2024-11-13 13:47:36,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1383 to 1173. [2024-11-13 13:47:36,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1173 states, 843 states have (on average 1.1684460260972716) internal successors, (985), 847 states have internal predecessors, (985), 226 states have call successors, (226), 103 states have call predecessors, (226), 103 states have return successors, (226), 222 states have call predecessors, (226), 226 states have call successors, (226) [2024-11-13 13:47:36,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 1437 transitions. [2024-11-13 13:47:36,476 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 1437 transitions. Word has length 152 [2024-11-13 13:47:36,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:47:36,476 INFO L471 AbstractCegarLoop]: Abstraction has 1173 states and 1437 transitions. [2024-11-13 13:47:36,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 13:47:36,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1437 transitions. [2024-11-13 13:47:36,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-13 13:47:36,477 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:47:36,478 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:47:36,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-13 13:47:36,478 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:47:36,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:36,478 INFO L85 PathProgramCache]: Analyzing trace with hash -847137456, now seen corresponding path program 1 times [2024-11-13 13:47:36,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:47:36,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121740944] [2024-11-13 13:47:36,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:36,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:47:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:47:36,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [266006244] [2024-11-13 13:47:36,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:36,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:47:36,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:36,556 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:47:36,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 13:47:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:36,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 13:47:36,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:47:37,877 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 514 proven. 69 refuted. 0 times theorem prover too weak. 341 trivial. 0 not checked. [2024-11-13 13:47:37,877 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:47:40,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:47:40,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121740944] [2024-11-13 13:47:40,257 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:47:40,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [266006244] [2024-11-13 13:47:40,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [266006244] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:47:40,257 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:47:40,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-13 13:47:40,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736506372] [2024-11-13 13:47:40,257 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 13:47:40,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 13:47:40,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:47:40,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 13:47:40,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=224, Unknown=5, NotChecked=0, Total=306 [2024-11-13 13:47:40,258 INFO L87 Difference]: Start difference. First operand 1173 states and 1437 transitions. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 10 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-13 13:47:40,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:47:40,914 INFO L93 Difference]: Finished difference Result 1804 states and 2183 transitions. [2024-11-13 13:47:40,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 13:47:40,915 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 10 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 153 [2024-11-13 13:47:40,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:47:40,920 INFO L225 Difference]: With dead ends: 1804 [2024-11-13 13:47:40,921 INFO L226 Difference]: Without dead ends: 1245 [2024-11-13 13:47:40,922 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=161, Invalid=386, Unknown=5, NotChecked=0, Total=552 [2024-11-13 13:47:40,923 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 90 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 19 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:47:40,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 696 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 362 Invalid, 2 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:47:40,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1245 states. [2024-11-13 13:47:41,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1245 to 1229. [2024-11-13 13:47:41,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1229 states, 885 states have (on average 1.1559322033898305) internal successors, (1023), 889 states have internal predecessors, (1023), 226 states have call successors, (226), 117 states have call predecessors, (226), 117 states have return successors, (226), 222 states have call predecessors, (226), 226 states have call successors, (226) [2024-11-13 13:47:41,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 1229 states and 1475 transitions. [2024-11-13 13:47:41,159 INFO L78 Accepts]: Start accepts. Automaton has 1229 states and 1475 transitions. Word has length 153 [2024-11-13 13:47:41,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:47:41,160 INFO L471 AbstractCegarLoop]: Abstraction has 1229 states and 1475 transitions. [2024-11-13 13:47:41,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 10 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-13 13:47:41,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 1475 transitions. [2024-11-13 13:47:41,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-13 13:47:41,161 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:47:41,161 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:47:41,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-13 13:47:41,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-13 13:47:41,366 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:47:41,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:41,366 INFO L85 PathProgramCache]: Analyzing trace with hash -845290414, now seen corresponding path program 1 times [2024-11-13 13:47:41,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:47:41,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343596642] [2024-11-13 13:47:41,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:41,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:47:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:47:41,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [783117396] [2024-11-13 13:47:41,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:41,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:47:41,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:41,423 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:47:41,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 13:47:41,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:47:41,572 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:47:41,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:47:41,729 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:47:41,729 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:47:41,730 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 13:47:41,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 13:47:41,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:47:41,935 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] [2024-11-13 13:47:42,076 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:47:42,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:47:42 BoogieIcfgContainer [2024-11-13 13:47:42,082 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:47:42,083 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:47:42,083 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:47:42,083 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:47:42,087 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:44:25" (3/4) ... [2024-11-13 13:47:42,089 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 13:47:42,090 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:47:42,091 INFO L158 Benchmark]: Toolchain (without parser) took 197611.19ms. Allocated memory was 117.4MB in the beginning and 654.3MB in the end (delta: 536.9MB). Free memory was 92.6MB in the beginning and 505.4MB in the end (delta: -412.9MB). Peak memory consumption was 127.2MB. Max. memory is 16.1GB. [2024-11-13 13:47:42,091 INFO L158 Benchmark]: CDTParser took 1.26ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:47:42,091 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.49ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 77.6MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:47:42,091 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.38ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 74.5MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:47:42,091 INFO L158 Benchmark]: Boogie Preprocessor took 59.01ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 70.0MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:47:42,091 INFO L158 Benchmark]: RCFGBuilder took 749.65ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 46.9MB in the end (delta: 23.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:47:42,092 INFO L158 Benchmark]: TraceAbstraction took 196311.75ms. Allocated memory was 117.4MB in the beginning and 654.3MB in the end (delta: 536.9MB). Free memory was 46.5MB in the beginning and 505.6MB in the end (delta: -459.1MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. [2024-11-13 13:47:42,092 INFO L158 Benchmark]: Witness Printer took 7.11ms. Allocated memory is still 654.3MB. Free memory was 505.6MB in the beginning and 505.4MB in the end (delta: 135.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:47:42,093 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.26ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 375.49ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 77.6MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.38ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 74.5MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 59.01ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 70.0MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 749.65ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 46.9MB in the end (delta: 23.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 196311.75ms. Allocated memory was 117.4MB in the beginning and 654.3MB in the end (delta: 536.9MB). Free memory was 46.5MB in the beginning and 505.6MB in the end (delta: -459.1MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. * Witness Printer took 7.11ms. Allocated memory is still 654.3MB. Free memory was 505.6MB in the beginning and 505.4MB in the end (delta: 135.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 86, overapproximation of someBinaryDOUBLEComparisonOperation at line 86, overapproximation of someBinaryDOUBLEComparisonOperation at line 178, overapproximation of someBinaryDOUBLEComparisonOperation at line 172, overapproximation of someBinaryDOUBLEComparisonOperation at line 170. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 50; [L23] signed char var_1_3 = 8; [L24] signed char var_1_4 = 10; [L25] double var_1_5 = 16.5; [L26] signed char var_1_6 = 64; [L27] signed char var_1_7 = 2; [L28] unsigned short int var_1_8 = 256; [L29] unsigned short int var_1_10 = 63583; [L30] unsigned short int var_1_11 = 33789; [L31] unsigned char var_1_12 = 1; [L32] unsigned char var_1_14 = 0; [L33] signed long int var_1_15 = 8; [L34] signed short int var_1_16 = -16; [L35] signed short int var_1_18 = 16; [L36] signed short int var_1_19 = 25; [L37] signed short int var_1_20 = 25; [L38] signed short int var_1_21 = 50; [L39] signed long int var_1_22 = -8; [L40] unsigned long int var_1_26 = 10; [L41] signed long int var_1_28 = -10000; [L42] signed long int var_1_29 = -1263929197; [L43] signed short int var_1_31 = 1; [L44] unsigned char var_1_36 = 32; [L45] double var_1_39 = 3.6; [L46] double var_1_40 = 24.25; [L47] double var_1_41 = 31.25; [L48] unsigned long int var_1_42 = 10; [L49] unsigned char last_1_var_1_12 = 1; VAL [isInitial=0, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L182] isInitial = 1 [L183] FCALL initially() [L184] COND TRUE 1 [L185] CALL updateLastVariables() [L175] last_1_var_1_12 = var_1_12 VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L185] RET updateLastVariables() [L186] CALL updateVariables() [L139] var_1_3 = __VERIFIER_nondet_char() [L140] CALL assume_abort_if_not(var_1_3 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L140] RET assume_abort_if_not(var_1_3 >= -63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L141] CALL assume_abort_if_not(var_1_3 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L141] RET assume_abort_if_not(var_1_3 <= 63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L142] var_1_4 = __VERIFIER_nondet_char() [L143] CALL assume_abort_if_not(var_1_4 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L143] RET assume_abort_if_not(var_1_4 >= -63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L144] CALL assume_abort_if_not(var_1_4 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L144] RET assume_abort_if_not(var_1_4 <= 63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L145] var_1_6 = __VERIFIER_nondet_char() [L146] CALL assume_abort_if_not(var_1_6 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=2, var_1_8=256] [L146] RET assume_abort_if_not(var_1_6 >= -1) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=2, var_1_8=256] [L147] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=2, var_1_8=256] [L147] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=2, var_1_8=256] [L148] var_1_7 = __VERIFIER_nondet_char() [L149] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L149] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L150] CALL assume_abort_if_not(var_1_7 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L150] RET assume_abort_if_not(var_1_7 <= 127) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L151] var_1_10 = __VERIFIER_nondet_ushort() [L152] CALL assume_abort_if_not(var_1_10 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L152] RET assume_abort_if_not(var_1_10 >= 49150) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L153] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L153] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L154] var_1_11 = __VERIFIER_nondet_ushort() [L155] CALL assume_abort_if_not(var_1_11 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L155] RET assume_abort_if_not(var_1_11 >= 32767) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L156] CALL assume_abort_if_not(var_1_11 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L156] RET assume_abort_if_not(var_1_11 <= 65534) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L157] var_1_14 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L158] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L159] CALL assume_abort_if_not(var_1_14 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L159] RET assume_abort_if_not(var_1_14 <= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L160] var_1_20 = __VERIFIER_nondet_short() [L161] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L161] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L162] CALL assume_abort_if_not(var_1_20 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L162] RET assume_abort_if_not(var_1_20 <= 16383) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L163] var_1_21 = __VERIFIER_nondet_short() [L164] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L164] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L165] CALL assume_abort_if_not(var_1_21 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L165] RET assume_abort_if_not(var_1_21 <= 16383) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L166] var_1_29 = __VERIFIER_nondet_long() [L167] CALL assume_abort_if_not(var_1_29 >= -2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L167] RET assume_abort_if_not(var_1_29 >= -2147483646) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L168] CALL assume_abort_if_not(var_1_29 <= -1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L168] RET assume_abort_if_not(var_1_29 <= -1073741823) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L169] var_1_40 = __VERIFIER_nondet_double() [L170] CALL assume_abort_if_not((var_1_40 >= -922337.2036854765600e+13F && var_1_40 <= -1.0e-20F) || (var_1_40 <= 9223372.036854765600e+12F && var_1_40 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L170] RET assume_abort_if_not((var_1_40 >= -922337.2036854765600e+13F && var_1_40 <= -1.0e-20F) || (var_1_40 <= 9223372.036854765600e+12F && var_1_40 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_41=125/4, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L171] var_1_41 = __VERIFIER_nondet_double() [L172] CALL assume_abort_if_not((var_1_41 >= -922337.2036854765600e+13F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 9223372.036854765600e+12F && var_1_41 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L172] RET assume_abort_if_not((var_1_41 >= -922337.2036854765600e+13F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 9223372.036854765600e+12F && var_1_41 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L186] RET updateVariables() [L187] CALL step() [L53] signed char stepLocal_1 = var_1_6; [L54] unsigned char stepLocal_0 = last_1_var_1_12; VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, stepLocal_1=89, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=256] [L55] COND FALSE !(-25 == stepLocal_1) [L60] var_1_8 = ((((var_1_7) > (var_1_11)) ? (var_1_7) : (var_1_11))) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_42=10, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=32767] [L62] COND FALSE !(var_1_10 <= (~ ((((var_1_4) < (var_1_6)) ? (var_1_4) : (var_1_6))))) [L73] var_1_42 = var_1_7 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_42=26, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=32767] [L75] signed char stepLocal_2 = var_1_7; VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, stepLocal_2=26, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_42=26, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=32767] [L76] COND TRUE var_1_8 >= stepLocal_2 [L77] var_1_12 = (! var_1_14) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=25, var_1_42=26, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=32767] [L79] COND FALSE !(((((((((var_1_21) > (var_1_7)) ? (var_1_21) : (var_1_7)))) > (var_1_19)) ? (((((var_1_21) > (var_1_7)) ? (var_1_21) : (var_1_7)))) : (var_1_19))) > var_1_7) [L84] var_1_36 = var_1_7 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=26, var_1_39=18/5, var_1_3=25, var_1_42=26, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=32767] [L86] var_1_39 = ((((((((var_1_40) < 0 ) ? -(var_1_40) : (var_1_40)))) > (((((var_1_41) < (100.75)) ? (var_1_41) : (100.75))))) ? (((((var_1_40) < 0 ) ? -(var_1_40) : (var_1_40)))) : (((((var_1_41) < (100.75)) ? (var_1_41) : (100.75)))))) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=32767] [L87] COND TRUE \read(var_1_12) [L88] var_1_1 = (var_1_3 + var_1_4) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=32767] [L90] COND TRUE var_1_8 > var_1_18 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=32767] [L91] COND TRUE var_1_29 < var_1_18 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=32767] [L92] COND TRUE var_1_29 <= (-64 & var_1_18) [L93] var_1_31 = ((((var_1_7) > (((((8) < (var_1_7)) ? (8) : (var_1_7))))) ? (var_1_7) : (((((8) < (var_1_7)) ? (8) : (var_1_7)))))) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=32767] [L99] COND TRUE var_1_4 >= (var_1_6 - var_1_7) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/2, var_1_6=89, var_1_7=26, var_1_8=32767] [L100] COND TRUE \read(var_1_12) [L101] var_1_5 = 8.25 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L104] signed char stepLocal_4 = var_1_6; VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, stepLocal_4=89, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L105] COND TRUE var_1_1 < stepLocal_4 [L106] var_1_18 = (var_1_6 - var_1_7) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=25, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L110] COND TRUE \read(var_1_12) [L111] var_1_19 = ((var_1_7 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21)))) + var_1_6) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=115, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L113] COND FALSE !(var_1_4 > var_1_6) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=115, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L118] COND FALSE !(-64 > (var_1_6 + var_1_19)) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=115, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L121] COND FALSE !(! var_1_12) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=115, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L127] var_1_26 = var_1_7 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=115, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=26, var_1_28=-10000, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L128] COND FALSE !(((((-256) < 0 ) ? -(-256) : (-256))) < var_1_4) [L131] var_1_28 = var_1_29 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=115, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=26, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L133] signed long int stepLocal_3 = ((((var_1_11) > (var_1_18)) ? (var_1_11) : (var_1_18))) + (var_1_15 / var_1_10); VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, stepLocal_3=32767, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=115, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=26, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L134] COND FALSE !(var_1_19 > stepLocal_3) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=115, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=26, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L187] RET step() [L188] CALL, EXPR property() [L178-L179] return (((((((var_1_12 ? (var_1_1 == ((signed char) (var_1_3 + var_1_4))) : 1) && ((var_1_4 >= (var_1_6 - var_1_7)) ? (var_1_12 ? (var_1_5 == ((double) 8.25)) : 1) : 1)) && ((-25 == var_1_6) ? ((last_1_var_1_12 && last_1_var_1_12) ? (var_1_8 == ((unsigned short int) ((((((var_1_10 - 10) - 16)) > ((var_1_11 - var_1_7))) ? (((var_1_10 - 10) - 16)) : ((var_1_11 - var_1_7)))))) : 1) : (var_1_8 == ((unsigned short int) ((((var_1_7) > (var_1_11)) ? (var_1_7) : (var_1_11))))))) && ((var_1_8 >= var_1_7) ? (var_1_12 == ((unsigned char) (! var_1_14))) : 1)) && ((-64 > (var_1_6 + var_1_19)) ? (var_1_15 == ((signed long int) (var_1_11 - var_1_7))) : ((! var_1_12) ? (var_1_12 ? (var_1_15 == ((signed long int) 4)) : 1) : 1))) && ((var_1_19 > (((((var_1_11) > (var_1_18)) ? (var_1_11) : (var_1_18))) + (var_1_15 / var_1_10))) ? (var_1_16 == ((signed short int) var_1_4)) : 1)) && ((var_1_1 < var_1_6) ? (var_1_18 == ((signed short int) (var_1_6 - var_1_7))) : (var_1_18 == ((signed short int) (((((var_1_6 + var_1_4)) < (var_1_1)) ? ((var_1_6 + var_1_4)) : (var_1_1))))))) && (var_1_12 ? (var_1_19 == ((signed short int) ((var_1_7 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21)))) + var_1_6))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=115, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=26, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L188] RET, EXPR property() [L188] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=115, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=26, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=1, var_1_10=-16386, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=115, var_1_1=88, var_1_20=0, var_1_21=0, var_1_22=-8, var_1_26=26, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=26, var_1_36=26, var_1_39=2, var_1_3=25, var_1_40=0, var_1_41=0, var_1_42=26, var_1_4=63, var_1_5=33/4, var_1_6=89, var_1_7=26, var_1_8=32767] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 196.1s, OverallIterations: 30, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 48.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 6225 SdHoareTripleChecker+Valid, 30.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6172 mSDsluCounter, 16637 SdHoareTripleChecker+Invalid, 27.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13130 mSDsCounter, 584 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16825 IncrementalHoareTripleChecker+Invalid, 17411 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 584 mSolverCounterUnsat, 3507 mSDtfsCounter, 16825 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3064 GetRequests, 2624 SyntacticMatches, 0 SemanticMatches, 440 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1797 ImplicationChecksByTransitivity, 37.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1229occurred in iteration=29, InterpolantAutomatonStates: 388, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.0s AutomataMinimizationTime, 29 MinimizatonAttempts, 2829 StatesRemovedByMinimization, 27 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 139.3s InterpolantComputationTime, 5431 NumberOfCodeBlocks, 5431 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 5389 ConstructedInterpolants, 1 QuantifiedInterpolants, 57628 SizeOfPredicates, 20 NumberOfNonLiveVariables, 1830 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 36 InterpolantComputations, 24 PerfectInterpolantSequences, 32706/33264 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 13:47:42,310 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-13 13:47:42,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/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_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/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 0cbadd5c8de40e45d11c8c9bd5d5aa33e26bba45cb60181d9a1abcae7f03bb4b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:47:44,718 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:47:44,813 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 13:47:44,819 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:47:44,819 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:47:44,860 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:47:44,860 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:47:44,860 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:47:44,861 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:47:44,861 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:47:44,861 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:47:44,862 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:47:44,863 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:47:44,863 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:47:44,864 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:47:44,864 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:47:44,864 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:47:44,865 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:47:44,865 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:47:44,865 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:47:44,865 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:47:44,865 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:47:44,866 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:47:44,866 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 13:47:44,866 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 13:47:44,866 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:47:44,866 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 13:47:44,866 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:47:44,867 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:47:44,867 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:47:44,867 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:47:44,867 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:47:44,867 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:47:44,867 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:47:44,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:47:44,868 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:47:44,868 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:47:44,868 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:47:44,868 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 13:47:44,869 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 13:47:44,869 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:47:44,869 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:47:44,869 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:47:44,869 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:47:44,869 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_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/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 -> 0cbadd5c8de40e45d11c8c9bd5d5aa33e26bba45cb60181d9a1abcae7f03bb4b [2024-11-13 13:47:45,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:47:45,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:47:45,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:47:45,202 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:47:45,202 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:47:45,204 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i Unable to find full path for "g++" [2024-11-13 13:47:47,262 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:47:47,471 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:47:47,471 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i [2024-11-13 13:47:47,480 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/data/d167152fe/36f4d4e42b144505bc7427aa7635e31d/FLAGb6f16d055 [2024-11-13 13:47:47,497 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/data/d167152fe/36f4d4e42b144505bc7427aa7635e31d [2024-11-13 13:47:47,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:47:47,501 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:47:47,502 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:47:47,502 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:47:47,507 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:47:47,507 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:47:47" (1/1) ... [2024-11-13 13:47:47,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@122d7b5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:47, skipping insertion in model container [2024-11-13 13:47:47,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:47:47" (1/1) ... [2024-11-13 13:47:47,535 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:47:47,720 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_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i[919,932] [2024-11-13 13:47:47,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:47:47,852 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:47:47,866 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_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i[919,932] [2024-11-13 13:47:47,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:47:47,954 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:47:47,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:47 WrapperNode [2024-11-13 13:47:47,956 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:47:47,957 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:47:47,957 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:47:47,958 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:47:47,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:47" (1/1) ... [2024-11-13 13:47:47,983 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:47" (1/1) ... [2024-11-13 13:47:48,021 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 172 [2024-11-13 13:47:48,025 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:47:48,026 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:47:48,026 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:47:48,026 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:47:48,036 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:47" (1/1) ... [2024-11-13 13:47:48,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:47" (1/1) ... [2024-11-13 13:47:48,045 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:47" (1/1) ... [2024-11-13 13:47:48,071 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 13:47:48,072 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:47" (1/1) ... [2024-11-13 13:47:48,072 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:47" (1/1) ... [2024-11-13 13:47:48,085 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:47" (1/1) ... [2024-11-13 13:47:48,097 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:47" (1/1) ... [2024-11-13 13:47:48,099 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:47" (1/1) ... [2024-11-13 13:47:48,105 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:47" (1/1) ... [2024-11-13 13:47:48,111 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:47:48,112 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:47:48,115 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:47:48,115 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:47:48,116 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:47" (1/1) ... [2024-11-13 13:47:48,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:47:48,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:48,148 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:47:48,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:47:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:47:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 13:47:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 13:47:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 13:47:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:47:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:47:48,267 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:47:48,269 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:47:48,873 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 13:47:48,873 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:47:48,883 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:47:48,883 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 13:47:48,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:47:48 BoogieIcfgContainer [2024-11-13 13:47:48,883 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:47:48,886 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:47:48,886 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:47:48,894 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:47:48,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:47:47" (1/3) ... [2024-11-13 13:47:48,895 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65845195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:47:48, skipping insertion in model container [2024-11-13 13:47:48,895 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:47" (2/3) ... [2024-11-13 13:47:48,895 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65845195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:47:48, skipping insertion in model container [2024-11-13 13:47:48,895 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:47:48" (3/3) ... [2024-11-13 13:47:48,896 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i [2024-11-13 13:47:48,907 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:47:48,908 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-66.i that has 2 procedures, 81 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 13:47:48,962 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:47:48,976 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;@4a5e0601, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:47:48,977 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 13:47:48,981 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 56 states have (on average 1.5) internal successors, (84), 57 states have internal predecessors, (84), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-13 13:47:48,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-13 13:47:48,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:47:48,997 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:47:48,998 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:47:49,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:49,002 INFO L85 PathProgramCache]: Analyzing trace with hash -2025950294, now seen corresponding path program 1 times [2024-11-13 13:47:49,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:47:49,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [718424045] [2024-11-13 13:47:49,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:49,012 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:47:49,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:47:49,016 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 13:47:49,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-13 13:47:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:49,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 13:47:49,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:47:49,378 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-11-13 13:47:49,379 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:47:49,379 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:47:49,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [718424045] [2024-11-13 13:47:49,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [718424045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:47:49,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:47:49,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:47:49,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456017776] [2024-11-13 13:47:49,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:47:49,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:47:49,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:47:49,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:47:49,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:47:49,407 INFO L87 Difference]: Start difference. First operand has 81 states, 56 states have (on average 1.5) internal successors, (84), 57 states have internal predecessors, (84), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-13 13:47:49,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:47:49,440 INFO L93 Difference]: Finished difference Result 155 states and 272 transitions. [2024-11-13 13:47:49,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:47:49,442 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 149 [2024-11-13 13:47:49,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:47:49,449 INFO L225 Difference]: With dead ends: 155 [2024-11-13 13:47:49,449 INFO L226 Difference]: Without dead ends: 77 [2024-11-13 13:47:49,452 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 148 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 13:47:49,464 INFO L432 NwaCegarLoop]: 120 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, 120 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 13:47:49,470 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:47:49,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-13 13:47:49,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-13 13:47:49,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 53 states have internal predecessors, (76), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-13 13:47:49,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 120 transitions. [2024-11-13 13:47:49,591 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 120 transitions. Word has length 149 [2024-11-13 13:47:49,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:47:49,592 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 120 transitions. [2024-11-13 13:47:49,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-13 13:47:49,593 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 120 transitions. [2024-11-13 13:47:49,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-13 13:47:49,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:47:49,599 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:47:49,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-13 13:47:49,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:47:49,800 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:47:49,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:49,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1012758568, now seen corresponding path program 1 times [2024-11-13 13:47:49,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:47:49,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [568872130] [2024-11-13 13:47:49,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:49,802 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:47:49,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:47:49,804 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 13:47:49,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-13 13:47:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:50,071 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 13:47:50,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:47:51,661 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 548 proven. 75 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-11-13 13:47:51,661 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:47:52,253 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:47:52,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [568872130] [2024-11-13 13:47:52,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [568872130] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:47:52,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108921860] [2024-11-13 13:47:52,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:52,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:47:52,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:52,263 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:47:52,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 13:47:52,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:52,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 13:47:52,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:47:53,463 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 548 proven. 75 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-11-13 13:47:53,464 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:47:53,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108921860] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:47:53,897 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:47:53,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2024-11-13 13:47:53,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256917561] [2024-11-13 13:47:53,899 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:47:53,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:47:53,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:47:53,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:47:53,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:47:53,901 INFO L87 Difference]: Start difference. First operand 77 states and 120 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 3 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-13 13:47:54,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:47:54,910 INFO L93 Difference]: Finished difference Result 237 states and 370 transitions. [2024-11-13 13:47:54,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 13:47:54,911 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 3 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 149 [2024-11-13 13:47:54,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:47:54,913 INFO L225 Difference]: With dead ends: 237 [2024-11-13 13:47:54,913 INFO L226 Difference]: Without dead ends: 163 [2024-11-13 13:47:54,914 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 455 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2024-11-13 13:47:54,917 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 178 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:47:54,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 347 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 13:47:54,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-11-13 13:47:54,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 144. [2024-11-13 13:47:54,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 95 states have (on average 1.368421052631579) internal successors, (130), 95 states have internal predecessors, (130), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-13 13:47:54,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 218 transitions. [2024-11-13 13:47:54,945 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 218 transitions. Word has length 149 [2024-11-13 13:47:54,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:47:54,945 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 218 transitions. [2024-11-13 13:47:54,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 3 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-13 13:47:54,946 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 218 transitions. [2024-11-13 13:47:54,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-13 13:47:54,948 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:47:54,948 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:47:54,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-13 13:47:55,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 13:47:55,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:47:55,349 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:47:55,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:55,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1377451049, now seen corresponding path program 1 times [2024-11-13 13:47:55,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:47:55,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [141231859] [2024-11-13 13:47:55,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:55,351 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:47:55,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:47:55,353 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 13:47:55,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-13 13:47:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:55,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 13:47:55,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:47:55,803 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 301 proven. 51 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2024-11-13 13:47:55,804 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:47:56,151 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 12 proven. 51 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-13 13:47:56,152 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:47:56,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [141231859] [2024-11-13 13:47:56,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [141231859] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:47:56,152 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:47:56,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-13 13:47:56,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248882769] [2024-11-13 13:47:56,152 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:47:56,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:47:56,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:47:56,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:47:56,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:47:56,155 INFO L87 Difference]: Start difference. First operand 144 states and 218 transitions. Second operand has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 3 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-11-13 13:47:56,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:47:56,737 INFO L93 Difference]: Finished difference Result 231 states and 345 transitions. [2024-11-13 13:47:56,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 13:47:56,742 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 3 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 150 [2024-11-13 13:47:56,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:47:56,744 INFO L225 Difference]: With dead ends: 231 [2024-11-13 13:47:56,744 INFO L226 Difference]: Without dead ends: 149 [2024-11-13 13:47:56,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2024-11-13 13:47:56,745 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 64 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:47:56,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 342 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:47:56,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-13 13:47:56,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 143. [2024-11-13 13:47:56,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 92 states have (on average 1.2826086956521738) internal successors, (118), 92 states have internal predecessors, (118), 44 states have call successors, (44), 6 states have call predecessors, (44), 6 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-13 13:47:56,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 206 transitions. [2024-11-13 13:47:56,768 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 206 transitions. Word has length 150 [2024-11-13 13:47:56,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:47:56,769 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 206 transitions. [2024-11-13 13:47:56,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 3 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-11-13 13:47:56,769 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 206 transitions. [2024-11-13 13:47:56,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-13 13:47:56,771 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:47:56,772 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:47:56,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-13 13:47:56,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:47:56,972 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:47:56,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:56,973 INFO L85 PathProgramCache]: Analyzing trace with hash -606508147, now seen corresponding path program 1 times [2024-11-13 13:47:56,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:47:56,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1008476899] [2024-11-13 13:47:56,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:56,974 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:47:56,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:47:56,975 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 13:47:56,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-13 13:47:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:57,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 13:47:57,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:47:57,604 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 211 proven. 6 refuted. 0 times theorem prover too weak. 707 trivial. 0 not checked. [2024-11-13 13:47:57,604 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:47:57,863 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 57 proven. 6 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-13 13:47:57,863 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:47:57,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1008476899] [2024-11-13 13:47:57,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1008476899] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:47:57,865 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:47:57,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-13 13:47:57,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736798178] [2024-11-13 13:47:57,866 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:47:57,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:47:57,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:47:57,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:47:57,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:47:57,867 INFO L87 Difference]: Start difference. First operand 143 states and 206 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 9 states have internal predecessors, (81), 4 states have call successors, (44), 3 states have call predecessors, (44), 5 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) [2024-11-13 13:47:58,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:47:58,921 INFO L93 Difference]: Finished difference Result 291 states and 421 transitions. [2024-11-13 13:47:58,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 13:47:58,922 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 9 states have internal predecessors, (81), 4 states have call successors, (44), 3 states have call predecessors, (44), 5 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) Word has length 150 [2024-11-13 13:47:58,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:47:58,924 INFO L225 Difference]: With dead ends: 291 [2024-11-13 13:47:58,927 INFO L226 Difference]: Without dead ends: 214 [2024-11-13 13:47:58,928 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=109, Unknown=0, NotChecked=0, Total=182 [2024-11-13 13:47:58,929 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 221 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 13:47:58,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 358 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 13:47:58,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-13 13:47:58,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 203. [2024-11-13 13:47:58,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 131 states have (on average 1.2748091603053435) internal successors, (167), 132 states have internal predecessors, (167), 62 states have call successors, (62), 9 states have call predecessors, (62), 9 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-13 13:47:58,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 291 transitions. [2024-11-13 13:47:58,988 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 291 transitions. Word has length 150 [2024-11-13 13:47:58,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:47:58,989 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 291 transitions. [2024-11-13 13:47:58,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 9 states have internal predecessors, (81), 4 states have call successors, (44), 3 states have call predecessors, (44), 5 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) [2024-11-13 13:47:58,990 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 291 transitions. [2024-11-13 13:47:58,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-13 13:47:58,994 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:47:58,994 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:47:59,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-13 13:47:59,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:47:59,195 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:47:59,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:59,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1275198275, now seen corresponding path program 1 times [2024-11-13 13:47:59,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:47:59,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1780462107] [2024-11-13 13:47:59,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:59,196 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:47:59,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:47:59,198 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 13:47:59,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-13 13:47:59,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:59,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 13:47:59,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:01,320 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 546 proven. 114 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-13 13:48:01,320 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:48:06,985 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:48:06,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1780462107] [2024-11-13 13:48:06,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1780462107] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:48:06,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21762999] [2024-11-13 13:48:06,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:06,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:06,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:06,988 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:48:06,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 13:48:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:07,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 13:48:07,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:16,046 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 523 proven. 150 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2024-11-13 13:48:16,046 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:48:28,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [21762999] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:48:28,967 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:48:28,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17] total 23 [2024-11-13 13:48:28,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364357766] [2024-11-13 13:48:28,967 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:48:28,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-13 13:48:28,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:48:28,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-13 13:48:28,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=658, Unknown=1, NotChecked=0, Total=812 [2024-11-13 13:48:28,969 INFO L87 Difference]: Start difference. First operand 203 states and 291 transitions. Second operand has 23 states, 23 states have (on average 4.608695652173913) internal successors, (106), 23 states have internal predecessors, (106), 7 states have call successors, (37), 7 states have call predecessors, (37), 12 states have return successors, (38), 7 states have call predecessors, (38), 7 states have call successors, (38) [2024-11-13 13:48:42,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:49:11,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:49:11,502 INFO L93 Difference]: Finished difference Result 603 states and 794 transitions. [2024-11-13 13:49:11,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-13 13:49:11,503 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.608695652173913) internal successors, (106), 23 states have internal predecessors, (106), 7 states have call successors, (37), 7 states have call predecessors, (37), 12 states have return successors, (38), 7 states have call predecessors, (38), 7 states have call successors, (38) Word has length 151 [2024-11-13 13:49:11,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:49:11,510 INFO L225 Difference]: With dead ends: 603 [2024-11-13 13:49:11,512 INFO L226 Difference]: Without dead ends: 461 [2024-11-13 13:49:11,514 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 907 ImplicationChecksByTransitivity, 40.4s TimeCoverageRelationStatistics Valid=780, Invalid=2758, Unknown=2, NotChecked=0, Total=3540 [2024-11-13 13:49:11,515 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 402 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 122 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:49:11,515 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [412 Valid, 410 Invalid, 798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 675 Invalid, 1 Unknown, 0 Unchecked, 17.1s Time] [2024-11-13 13:49:11,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2024-11-13 13:49:11,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 421. [2024-11-13 13:49:11,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 285 states have (on average 1.1719298245614036) internal successors, (334), 292 states have internal predecessors, (334), 102 states have call successors, (102), 33 states have call predecessors, (102), 33 states have return successors, (102), 95 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-13 13:49:11,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 538 transitions. [2024-11-13 13:49:11,578 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 538 transitions. Word has length 151 [2024-11-13 13:49:11,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:49:11,578 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 538 transitions. [2024-11-13 13:49:11,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.608695652173913) internal successors, (106), 23 states have internal predecessors, (106), 7 states have call successors, (37), 7 states have call predecessors, (37), 12 states have return successors, (38), 7 states have call predecessors, (38), 7 states have call successors, (38) [2024-11-13 13:49:11,579 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 538 transitions. [2024-11-13 13:49:11,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-13 13:49:11,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:49:11,581 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:49:11,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-13 13:49:11,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-13 13:49:11,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:49:11,982 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:49:11,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:49:11,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1273351233, now seen corresponding path program 1 times [2024-11-13 13:49:11,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:49:11,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1289959592] [2024-11-13 13:49:11,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:49:11,983 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:49:11,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:49:11,987 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 13:49:11,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-13 13:49:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:49:12,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 13:49:12,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:49:50,897 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 663 proven. 117 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-13 13:49:50,897 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:50:01,573 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:50:01,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1289959592] [2024-11-13 13:50:01,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1289959592] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:50:01,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1811548748] [2024-11-13 13:50:01,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:50:01,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:50:01,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:50:01,576 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:50:01,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72e886b-c66a-4ad8-8e1b-7e39b5cba7df/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 13:50:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:50:01,732 INFO L255 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 13:50:01,736 INFO L278 TraceCheckSpWp]: Computing forward predicates...