./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-33.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_1eb38b1c-62a9-4812-8b28-b7ef70fe4e99/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb38b1c-62a9-4812-8b28-b7ef70fe4e99/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_1eb38b1c-62a9-4812-8b28-b7ef70fe4e99/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb38b1c-62a9-4812-8b28-b7ef70fe4e99/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-33.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb38b1c-62a9-4812-8b28-b7ef70fe4e99/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_1eb38b1c-62a9-4812-8b28-b7ef70fe4e99/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 28f14d75de89afae09449709ada95c31646c3d0705a1364fd113ea63ae6b9c48 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:34:23,260 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:34:23,389 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb38b1c-62a9-4812-8b28-b7ef70fe4e99/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 15:34:23,398 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:34:23,399 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:34:23,444 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:34:23,445 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:34:23,445 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:34:23,446 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:34:23,446 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:34:23,446 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:34:23,446 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:34:23,447 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:34:23,447 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:34:23,448 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:34:23,448 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:34:23,448 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:34:23,448 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:34:23,448 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:34:23,448 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:34:23,448 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:34:23,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:34:23,449 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:34:23,449 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:34:23,449 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:34:23,449 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:34:23,449 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:34:23,449 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:34:23,450 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:34:23,450 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:34:23,450 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:34:23,450 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:34:23,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:34:23,450 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:34:23,450 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:34:23,450 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:34:23,451 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:34:23,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:34:23,452 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:34:23,453 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:34:23,453 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:34:23,453 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:34:23,453 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_1eb38b1c-62a9-4812-8b28-b7ef70fe4e99/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 -> 28f14d75de89afae09449709ada95c31646c3d0705a1364fd113ea63ae6b9c48 [2024-11-13 15:34:23,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:34:23,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:34:23,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:34:23,884 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:34:23,884 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:34:23,886 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb38b1c-62a9-4812-8b28-b7ef70fe4e99/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-33.i Unable to find full path for "g++" [2024-11-13 15:34:26,301 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:34:26,760 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:34:26,760 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb38b1c-62a9-4812-8b28-b7ef70fe4e99/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-33.i [2024-11-13 15:34:26,772 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb38b1c-62a9-4812-8b28-b7ef70fe4e99/bin/uautomizer-verify-qhAvR1uOyd/data/3ca9427b2/25a001e4e16341809a2d93e18e73d2ce/FLAG53e2e6bcc [2024-11-13 15:34:26,792 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb38b1c-62a9-4812-8b28-b7ef70fe4e99/bin/uautomizer-verify-qhAvR1uOyd/data/3ca9427b2/25a001e4e16341809a2d93e18e73d2ce [2024-11-13 15:34:26,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:34:26,800 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:34:26,804 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:34:26,804 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:34:26,810 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:34:26,811 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:34:26" (1/1) ... [2024-11-13 15:34:26,812 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f949887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:34:26, skipping insertion in model container [2024-11-13 15:34:26,812 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:34:26" (1/1) ... [2024-11-13 15:34:26,838 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:34:27,055 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_1eb38b1c-62a9-4812-8b28-b7ef70fe4e99/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-33.i[919,932] [2024-11-13 15:34:27,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:34:27,186 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:34:27,201 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_1eb38b1c-62a9-4812-8b28-b7ef70fe4e99/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-33.i[919,932] [2024-11-13 15:34:27,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:34:27,316 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:34:27,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:34:27 WrapperNode [2024-11-13 15:34:27,317 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:34:27,318 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:34:27,319 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:34:27,319 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:34:27,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:34:27" (1/1) ... [2024-11-13 15:34:27,341 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:34:27" (1/1) ... [2024-11-13 15:34:27,397 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 225 [2024-11-13 15:34:27,398 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:34:27,398 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:34:27,399 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:34:27,399 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:34:27,410 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:34:27" (1/1) ... [2024-11-13 15:34:27,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:34:27" (1/1) ... [2024-11-13 15:34:27,415 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:34:27" (1/1) ... [2024-11-13 15:34:27,442 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 15:34:27,443 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:34:27" (1/1) ... [2024-11-13 15:34:27,443 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:34:27" (1/1) ... [2024-11-13 15:34:27,455 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:34:27" (1/1) ... [2024-11-13 15:34:27,460 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:34:27" (1/1) ... [2024-11-13 15:34:27,463 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:34:27" (1/1) ... [2024-11-13 15:34:27,466 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:34:27" (1/1) ... [2024-11-13 15:34:27,474 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:34:27,475 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:34:27,475 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:34:27,475 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:34:27,476 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:34:27" (1/1) ... [2024-11-13 15:34:27,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:34:27,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb38b1c-62a9-4812-8b28-b7ef70fe4e99/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:34:27,526 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb38b1c-62a9-4812-8b28-b7ef70fe4e99/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:34:27,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb38b1c-62a9-4812-8b28-b7ef70fe4e99/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:34:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:34:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 15:34:27,570 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 15:34:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:34:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:34:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:34:27,726 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:34:27,728 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:34:28,706 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-13 15:34:28,706 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:34:28,725 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:34:28,727 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 15:34:28,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:34:28 BoogieIcfgContainer [2024-11-13 15:34:28,728 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:34:28,733 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:34:28,733 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:34:28,739 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:34:28,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:34:26" (1/3) ... [2024-11-13 15:34:28,740 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f265570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:34:28, skipping insertion in model container [2024-11-13 15:34:28,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:34:27" (2/3) ... [2024-11-13 15:34:28,740 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f265570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:34:28, skipping insertion in model container [2024-11-13 15:34:28,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:34:28" (3/3) ... [2024-11-13 15:34:28,742 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-33.i [2024-11-13 15:34:28,763 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:34:28,769 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-33.i that has 2 procedures, 100 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 15:34:28,866 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:34:28,884 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;@6946ea49, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:34:28,884 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 15:34:28,888 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 63 states have (on average 1.4285714285714286) internal successors, (90), 64 states have internal predecessors, (90), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-13 15:34:28,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-13 15:34:28,909 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:34:28,910 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:34:28,911 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:34:28,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:34:28,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1930069111, now seen corresponding path program 1 times [2024-11-13 15:34:28,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:34:28,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519818303] [2024-11-13 15:34:28,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:34:28,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:34:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:34:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 15:34:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:34:29,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 15:34:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 15:34:29,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:34:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 15:34:29,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 15:34:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 15:34:29,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-13 15:34:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 15:34:29,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 15:34:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 15:34:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 15:34:29,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 15:34:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-13 15:34:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 15:34:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 15:34:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 15:34:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 15:34:29,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 15:34:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 15:34:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-13 15:34:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-13 15:34:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 15:34:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 15:34:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 15:34:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 15:34:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 15:34:29,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-13 15:34:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 15:34:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-13 15:34:29,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-13 15:34:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-13 15:34:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:29,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-13 15:34:29,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:34:29,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519818303] [2024-11-13 15:34:29,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519818303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:34:29,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:34:29,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:34:29,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464111484] [2024-11-13 15:34:29,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:34:29,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 15:34:29,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:34:29,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 15:34:29,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:34:29,728 INFO L87 Difference]: Start difference. First operand has 100 states, 63 states have (on average 1.4285714285714286) internal successors, (90), 64 states have internal predecessors, (90), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-13 15:34:29,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:34:29,785 INFO L93 Difference]: Finished difference Result 191 states and 340 transitions. [2024-11-13 15:34:29,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 15:34:29,787 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 213 [2024-11-13 15:34:29,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:34:29,799 INFO L225 Difference]: With dead ends: 191 [2024-11-13 15:34:29,801 INFO L226 Difference]: Without dead ends: 94 [2024-11-13 15:34:29,807 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 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 15:34:29,814 INFO L432 NwaCegarLoop]: 144 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, 144 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 15:34:29,815 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:34:29,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-13 15:34:29,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-13 15:34:29,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 58 states have (on average 1.3103448275862069) internal successors, (76), 58 states have internal predecessors, (76), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-13 15:34:29,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 144 transitions. [2024-11-13 15:34:29,910 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 144 transitions. Word has length 213 [2024-11-13 15:34:29,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:34:29,910 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 144 transitions. [2024-11-13 15:34:29,911 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-13 15:34:29,911 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 144 transitions. [2024-11-13 15:34:29,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-13 15:34:29,922 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:34:29,922 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:34:29,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:34:29,923 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:34:29,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:34:29,923 INFO L85 PathProgramCache]: Analyzing trace with hash 104501893, now seen corresponding path program 1 times [2024-11-13 15:34:29,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:34:29,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755985822] [2024-11-13 15:34:29,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:34:29,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:34:30,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:31,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:34:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:31,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 15:34:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:31,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:34:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:31,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 15:34:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:31,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 15:34:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:31,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:34:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:31,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 15:34:31,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:31,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 15:34:31,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:31,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 15:34:31,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:31,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-13 15:34:31,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:31,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 15:34:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:31,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 15:34:31,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:31,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 15:34:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:31,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 15:34:31,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:31,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 15:34:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:31,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-13 15:34:31,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:31,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 15:34:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:31,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 15:34:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:31,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 15:34:31,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:31,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 15:34:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:32,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 15:34:32,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:32,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 15:34:32,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:32,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-13 15:34:32,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:32,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-13 15:34:32,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:32,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 15:34:32,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:32,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 15:34:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:32,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 15:34:32,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:32,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 15:34:32,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:32,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 15:34:32,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:32,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-13 15:34:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:32,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 15:34:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:32,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-13 15:34:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:32,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-13 15:34:32,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:32,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-13 15:34:32,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:32,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-13 15:34:32,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:34:32,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755985822] [2024-11-13 15:34:32,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755985822] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:34:32,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:34:32,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:34:32,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735786541] [2024-11-13 15:34:32,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:34:32,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:34:32,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:34:32,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:34:32,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:34:32,387 INFO L87 Difference]: Start difference. First operand 94 states and 144 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-13 15:34:32,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:34:32,638 INFO L93 Difference]: Finished difference Result 260 states and 404 transitions. [2024-11-13 15:34:32,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:34:32,639 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 213 [2024-11-13 15:34:32,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:34:32,645 INFO L225 Difference]: With dead ends: 260 [2024-11-13 15:34:32,645 INFO L226 Difference]: Without dead ends: 169 [2024-11-13 15:34:32,647 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:34:32,650 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 61 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:34:32,651 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 252 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:34:32,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-11-13 15:34:32,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 152. [2024-11-13 15:34:32,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 81 states have (on average 1.2222222222222223) internal successors, (99), 81 states have internal predecessors, (99), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-13 15:34:32,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 235 transitions. [2024-11-13 15:34:32,754 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 235 transitions. Word has length 213 [2024-11-13 15:34:32,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:34:32,755 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 235 transitions. [2024-11-13 15:34:32,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-13 15:34:32,756 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 235 transitions. [2024-11-13 15:34:32,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-13 15:34:32,762 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:34:32,762 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:34:32,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:34:32,763 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:34:32,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:34:32,763 INFO L85 PathProgramCache]: Analyzing trace with hash 527203719, now seen corresponding path program 1 times [2024-11-13 15:34:32,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:34:32,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996907854] [2024-11-13 15:34:32,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:34:32,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:34:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:33,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:34:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:33,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 15:34:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:33,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:34:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:33,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 15:34:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:33,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 15:34:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:33,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:34:33,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:33,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 15:34:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:33,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 15:34:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:33,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 15:34:33,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:33,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-13 15:34:33,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:33,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 15:34:33,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:33,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 15:34:33,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:33,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 15:34:33,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:33,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 15:34:33,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:33,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 15:34:33,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:33,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-13 15:34:33,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:33,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 15:34:33,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:33,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 15:34:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:33,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 15:34:33,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:33,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 15:34:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:33,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 15:34:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:33,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 15:34:33,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:33,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-13 15:34:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:33,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-13 15:34:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:33,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 15:34:33,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:33,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 15:34:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:33,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 15:34:33,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:33,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 15:34:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:33,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 15:34:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:33,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-13 15:34:33,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:33,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 15:34:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:33,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-13 15:34:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:34,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-13 15:34:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:34,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-13 15:34:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:34,029 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-13 15:34:34,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:34:34,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996907854] [2024-11-13 15:34:34,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996907854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:34:34,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:34:34,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:34:34,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713853189] [2024-11-13 15:34:34,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:34:34,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:34:34,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:34:34,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:34:34,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:34:34,033 INFO L87 Difference]: Start difference. First operand 152 states and 235 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-13 15:34:34,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:34:34,711 INFO L93 Difference]: Finished difference Result 281 states and 433 transitions. [2024-11-13 15:34:34,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:34:34,712 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 213 [2024-11-13 15:34:34,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:34:34,716 INFO L225 Difference]: With dead ends: 281 [2024-11-13 15:34:34,716 INFO L226 Difference]: Without dead ends: 190 [2024-11-13 15:34:34,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:34:34,718 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 96 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:34:34,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 352 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 15:34:34,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-11-13 15:34:34,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 176. [2024-11-13 15:34:34,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 105 states have (on average 1.2952380952380953) internal successors, (136), 105 states have internal predecessors, (136), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-13 15:34:34,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 272 transitions. [2024-11-13 15:34:34,814 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 272 transitions. Word has length 213 [2024-11-13 15:34:34,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:34:34,816 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 272 transitions. [2024-11-13 15:34:34,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-13 15:34:34,817 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 272 transitions. [2024-11-13 15:34:34,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-13 15:34:34,825 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:34:34,825 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:34:34,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:34:34,825 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:34:34,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:34:34,826 INFO L85 PathProgramCache]: Analyzing trace with hash -818984053, now seen corresponding path program 1 times [2024-11-13 15:34:34,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:34:34,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824568815] [2024-11-13 15:34:34,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:34:34,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:34:34,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:35,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:34:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:35,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 15:34:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:35,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:34:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:35,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 15:34:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:35,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 15:34:35,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:35,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:34:35,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:35,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 15:34:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:35,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 15:34:35,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:35,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 15:34:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:35,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-13 15:34:35,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:35,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 15:34:35,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:35,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 15:34:35,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:35,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 15:34:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:35,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 15:34:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:35,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 15:34:35,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:35,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-13 15:34:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:35,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 15:34:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:35,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 15:34:35,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:35,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 15:34:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:35,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 15:34:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:35,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 15:34:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:35,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 15:34:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:35,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-13 15:34:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:35,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-13 15:34:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:35,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 15:34:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:35,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 15:34:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:35,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 15:34:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:35,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 15:34:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:35,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 15:34:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:35,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-13 15:34:35,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:35,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 15:34:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:35,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-13 15:34:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:35,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-13 15:34:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:35,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-13 15:34:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:35,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-13 15:34:35,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:34:35,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824568815] [2024-11-13 15:34:35,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824568815] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:34:35,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:34:35,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:34:35,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891725773] [2024-11-13 15:34:35,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:34:35,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:34:35,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:34:35,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:34:35,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:34:35,552 INFO L87 Difference]: Start difference. First operand 176 states and 272 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-13 15:34:36,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:34:36,099 INFO L93 Difference]: Finished difference Result 290 states and 444 transitions. [2024-11-13 15:34:36,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:34:36,100 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 214 [2024-11-13 15:34:36,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:34:36,106 INFO L225 Difference]: With dead ends: 290 [2024-11-13 15:34:36,106 INFO L226 Difference]: Without dead ends: 186 [2024-11-13 15:34:36,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:34:36,108 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 93 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:34:36,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 370 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 15:34:36,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-13 15:34:36,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 177. [2024-11-13 15:34:36,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 106 states have (on average 1.2830188679245282) internal successors, (136), 106 states have internal predecessors, (136), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-13 15:34:36,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 272 transitions. [2024-11-13 15:34:36,231 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 272 transitions. Word has length 214 [2024-11-13 15:34:36,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:34:36,232 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 272 transitions. [2024-11-13 15:34:36,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-13 15:34:36,232 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 272 transitions. [2024-11-13 15:34:36,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-13 15:34:36,237 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:34:36,237 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:34:36,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 15:34:36,238 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:34:36,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:34:36,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1117807900, now seen corresponding path program 1 times [2024-11-13 15:34:36,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:34:36,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002310636] [2024-11-13 15:34:36,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:34:36,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:34:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat