./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w8_d32_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_4813c433-21ef-4c9f-a045-1cacad14eb42/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4813c433-21ef-4c9f-a045-1cacad14eb42/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_4813c433-21ef-4c9f-a045-1cacad14eb42/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4813c433-21ef-4c9f-a045-1cacad14eb42/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w8_d32_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4813c433-21ef-4c9f-a045-1cacad14eb42/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4813c433-21ef-4c9f-a045-1cacad14eb42/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 64bit --witnessprinter.graph.data.programhash a92b9c4e0c90a857a526e262c66d53efd79b60c690496e36163974518d1d187d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:12:45,733 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:12:45,828 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4813c433-21ef-4c9f-a045-1cacad14eb42/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-13 13:12:45,832 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:12:45,833 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:12:45,855 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:12:45,856 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:12:45,856 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:12:45,856 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:12:45,856 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:12:45,856 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:12:45,857 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:12:45,857 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:12:45,857 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:12:45,857 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:12:45,857 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:12:45,858 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:12:45,858 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:12:45,858 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:12:45,858 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:12:45,858 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:12:45,858 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:12:45,859 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:12:45,859 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:12:45,859 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:12:45,859 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:12:45,859 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:12:45,859 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:12:45,860 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:12:45,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:12:45,860 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:12:45,860 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:12:45,860 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:12:45,860 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:12:45,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:12:45,861 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:12:45,861 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:12:45,861 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:12:45,861 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:12:45,861 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_4813c433-21ef-4c9f-a045-1cacad14eb42/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a92b9c4e0c90a857a526e262c66d53efd79b60c690496e36163974518d1d187d [2024-11-13 13:12:46,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:12:46,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:12:46,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:12:46,235 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:12:46,235 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:12:46,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4813c433-21ef-4c9f-a045-1cacad14eb42/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w8_d32_e0.c Unable to find full path for "g++" [2024-11-13 13:12:48,375 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:12:48,973 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:12:48,973 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4813c433-21ef-4c9f-a045-1cacad14eb42/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w8_d32_e0.c [2024-11-13 13:12:49,008 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4813c433-21ef-4c9f-a045-1cacad14eb42/bin/uautomizer-verify-qhAvR1uOyd/data/da5e7694d/418f5c4ab15b4dad837028f8fd42f8ca/FLAG1f3098f25 [2024-11-13 13:12:49,034 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4813c433-21ef-4c9f-a045-1cacad14eb42/bin/uautomizer-verify-qhAvR1uOyd/data/da5e7694d/418f5c4ab15b4dad837028f8fd42f8ca [2024-11-13 13:12:49,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:12:49,038 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:12:49,040 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:12:49,040 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:12:49,046 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:12:49,046 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:12:49" (1/1) ... [2024-11-13 13:12:49,047 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a7fd0dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:49, skipping insertion in model container [2024-11-13 13:12:49,048 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:12:49" (1/1) ... [2024-11-13 13:12:49,158 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:12:49,379 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_4813c433-21ef-4c9f-a045-1cacad14eb42/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w8_d32_e0.c[1270,1283] [2024-11-13 13:12:50,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:12:50,112 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:12:50,123 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_4813c433-21ef-4c9f-a045-1cacad14eb42/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w8_d32_e0.c[1270,1283] [2024-11-13 13:12:50,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:12:50,483 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:12:50,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:50 WrapperNode [2024-11-13 13:12:50,484 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:12:50,485 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:12:50,486 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:12:50,486 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:12:50,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:50" (1/1) ... [2024-11-13 13:12:50,588 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:50" (1/1) ... [2024-11-13 13:12:51,502 INFO L138 Inliner]: procedures = 17, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8193 [2024-11-13 13:12:51,503 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:12:51,503 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:12:51,504 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:12:51,505 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:12:51,514 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:50" (1/1) ... [2024-11-13 13:12:51,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:50" (1/1) ... [2024-11-13 13:12:51,725 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:50" (1/1) ... [2024-11-13 13:12:51,987 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 13:12:51,987 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:50" (1/1) ... [2024-11-13 13:12:51,988 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:50" (1/1) ... [2024-11-13 13:12:52,155 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:50" (1/1) ... [2024-11-13 13:12:52,209 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:50" (1/1) ... [2024-11-13 13:12:52,276 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:50" (1/1) ... [2024-11-13 13:12:52,306 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:50" (1/1) ... [2024-11-13 13:12:52,433 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:12:52,434 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:12:52,434 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:12:52,434 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:12:52,435 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:50" (1/1) ... [2024-11-13 13:12:52,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:12:52,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4813c433-21ef-4c9f-a045-1cacad14eb42/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:12:52,476 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4813c433-21ef-4c9f-a045-1cacad14eb42/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:12:52,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4813c433-21ef-4c9f-a045-1cacad14eb42/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:12:52,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:12:52,505 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 13:12:52,505 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 13:12:52,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:12:52,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:12:52,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:12:53,398 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:12:53,400 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:13:05,576 INFO L? ?]: Removed 4734 outVars from TransFormulas that were not future-live. [2024-11-13 13:13:05,576 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:13:05,639 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:13:05,639 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 13:13:05,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:13:05 BoogieIcfgContainer [2024-11-13 13:13:05,639 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:13:05,642 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:13:05,642 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:13:05,647 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:13:05,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:12:49" (1/3) ... [2024-11-13 13:13:05,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2faded92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:13:05, skipping insertion in model container [2024-11-13 13:13:05,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:50" (2/3) ... [2024-11-13 13:13:05,649 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2faded92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:13:05, skipping insertion in model container [2024-11-13 13:13:05,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:13:05" (3/3) ... [2024-11-13 13:13:05,650 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n3_w8_d32_e0.c [2024-11-13 13:13:05,668 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:13:05,670 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.arbitrated_top_n3_w8_d32_e0.c that has 2 procedures, 2250 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 13:13:05,785 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:13:05,798 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;@4c418c5f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:13:05,799 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 13:13:05,814 INFO L276 IsEmpty]: Start isEmpty. Operand has 2250 states, 2237 states have (on average 1.497094322753688) internal successors, (3349), 2238 states have internal predecessors, (3349), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:13:05,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 590 [2024-11-13 13:13:05,869 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:05,870 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:05,870 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:13:05,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:05,877 INFO L85 PathProgramCache]: Analyzing trace with hash -619031967, now seen corresponding path program 1 times [2024-11-13 13:13:05,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:05,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291694234] [2024-11-13 13:13:05,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:05,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:07,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:11,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:13:11,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:11,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:13:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:11,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:13:11,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:11,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:13:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:11,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-13 13:13:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:11,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-11-13 13:13:11,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:11,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-11-13 13:13:11,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:11,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2024-11-13 13:13:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:11,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-13 13:13:11,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:11,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2024-11-13 13:13:11,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:11,679 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:13:11,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:11,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291694234] [2024-11-13 13:13:11,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291694234] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:11,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:11,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:13:11,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823251495] [2024-11-13 13:13:11,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:11,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:13:11,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:11,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:13:11,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:13:11,727 INFO L87 Difference]: Start difference. First operand has 2250 states, 2237 states have (on average 1.497094322753688) internal successors, (3349), 2238 states have internal predecessors, (3349), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 4 states, 4 states have (on average 135.5) internal successors, (542), 4 states have internal predecessors, (542), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:13:12,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:12,058 INFO L93 Difference]: Finished difference Result 4045 states and 6069 transitions. [2024-11-13 13:13:12,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:13:12,061 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 135.5) internal successors, (542), 4 states have internal predecessors, (542), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 589 [2024-11-13 13:13:12,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:12,101 INFO L225 Difference]: With dead ends: 4045 [2024-11-13 13:13:12,101 INFO L226 Difference]: Without dead ends: 2249 [2024-11-13 13:13:12,111 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:13:12,114 INFO L432 NwaCegarLoop]: 3362 mSDtfsCounter, 0 mSDsluCounter, 6718 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10080 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:12,114 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10080 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:13:12,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2249 states. [2024-11-13 13:13:12,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2249 to 2249. [2024-11-13 13:13:12,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2249 states, 2237 states have (on average 1.495753240947698) internal successors, (3346), 2237 states have internal predecessors, (3346), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:13:12,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2249 states to 2249 states and 3366 transitions. [2024-11-13 13:13:12,301 INFO L78 Accepts]: Start accepts. Automaton has 2249 states and 3366 transitions. Word has length 589 [2024-11-13 13:13:12,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:12,306 INFO L471 AbstractCegarLoop]: Abstraction has 2249 states and 3366 transitions. [2024-11-13 13:13:12,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 135.5) internal successors, (542), 4 states have internal predecessors, (542), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:13:12,307 INFO L276 IsEmpty]: Start isEmpty. Operand 2249 states and 3366 transitions. [2024-11-13 13:13:12,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 591 [2024-11-13 13:13:12,325 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:12,325 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:12,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:13:12,326 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:13:12,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:12,328 INFO L85 PathProgramCache]: Analyzing trace with hash -2008423214, now seen corresponding path program 1 times [2024-11-13 13:13:12,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:12,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902533115] [2024-11-13 13:13:12,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:12,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:14,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:13:14,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:14,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:13:14,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:14,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:13:14,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:14,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:13:14,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:14,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-13 13:13:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:14,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-11-13 13:13:14,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:14,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-11-13 13:13:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:14,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2024-11-13 13:13:14,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:14,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-13 13:13:14,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:14,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2024-11-13 13:13:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:14,814 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:13:14,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:14,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902533115] [2024-11-13 13:13:14,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902533115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:14,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:14,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:13:14,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349819074] [2024-11-13 13:13:14,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:14,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:13:14,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:14,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:13:14,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:13:14,822 INFO L87 Difference]: Start difference. First operand 2249 states and 3366 transitions. Second operand has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 13:13:17,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:17,082 INFO L93 Difference]: Finished difference Result 5523 states and 8269 transitions. [2024-11-13 13:13:17,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:13:17,083 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 590 [2024-11-13 13:13:17,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:17,093 INFO L225 Difference]: With dead ends: 5523 [2024-11-13 13:13:17,093 INFO L226 Difference]: Without dead ends: 2249 [2024-11-13 13:13:17,101 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:13:17,102 INFO L432 NwaCegarLoop]: 3340 mSDtfsCounter, 6747 mSDsluCounter, 5926 mSDsCounter, 0 mSdLazyCounter, 1179 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6753 SdHoareTripleChecker+Valid, 9266 SdHoareTripleChecker+Invalid, 1338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 1179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:17,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6753 Valid, 9266 Invalid, 1338 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [159 Valid, 1179 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-13 13:13:17,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2249 states. [2024-11-13 13:13:17,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2249 to 2249. [2024-11-13 13:13:17,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2249 states, 2237 states have (on average 1.4953062136790345) internal successors, (3345), 2237 states have internal predecessors, (3345), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:13:17,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2249 states to 2249 states and 3365 transitions. [2024-11-13 13:13:17,180 INFO L78 Accepts]: Start accepts. Automaton has 2249 states and 3365 transitions. Word has length 590 [2024-11-13 13:13:17,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:17,181 INFO L471 AbstractCegarLoop]: Abstraction has 2249 states and 3365 transitions. [2024-11-13 13:13:17,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 13:13:17,181 INFO L276 IsEmpty]: Start isEmpty. Operand 2249 states and 3365 transitions. [2024-11-13 13:13:17,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 592 [2024-11-13 13:13:17,201 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:17,203 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:17,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:13:17,204 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:13:17,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:17,205 INFO L85 PathProgramCache]: Analyzing trace with hash -722642677, now seen corresponding path program 1 times [2024-11-13 13:13:17,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:17,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321099691] [2024-11-13 13:13:17,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:17,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:17,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:19,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:13:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:19,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:13:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:19,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:13:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:19,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:13:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:19,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:13:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:19,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:13:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:19,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:13:19,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:19,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:13:19,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:19,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:13:19,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:19,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:13:19,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:19,598 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:13:19,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:19,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321099691] [2024-11-13 13:13:19,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321099691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:19,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:19,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:13:19,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796669668] [2024-11-13 13:13:19,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:19,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:13:19,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:19,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:13:19,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:13:19,603 INFO L87 Difference]: Start difference. First operand 2249 states and 3365 transitions. Second operand has 5 states, 5 states have (on average 108.8) internal successors, (544), 5 states have internal predecessors, (544), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 13:13:21,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:21,437 INFO L93 Difference]: Finished difference Result 4044 states and 6050 transitions. [2024-11-13 13:13:21,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:13:21,439 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 108.8) internal successors, (544), 5 states have internal predecessors, (544), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 591 [2024-11-13 13:13:21,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:21,449 INFO L225 Difference]: With dead ends: 4044 [2024-11-13 13:13:21,449 INFO L226 Difference]: Without dead ends: 2249 [2024-11-13 13:13:21,452 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:13:21,453 INFO L432 NwaCegarLoop]: 2559 mSDtfsCounter, 6269 mSDsluCounter, 2561 mSDsCounter, 0 mSdLazyCounter, 1615 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6273 SdHoareTripleChecker+Valid, 5120 SdHoareTripleChecker+Invalid, 1616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:21,453 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6273 Valid, 5120 Invalid, 1616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1615 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-13 13:13:21,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2249 states. [2024-11-13 13:13:21,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2249 to 2249. [2024-11-13 13:13:21,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2249 states, 2237 states have (on average 1.494859186410371) internal successors, (3344), 2237 states have internal predecessors, (3344), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:13:21,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2249 states to 2249 states and 3364 transitions. [2024-11-13 13:13:21,516 INFO L78 Accepts]: Start accepts. Automaton has 2249 states and 3364 transitions. Word has length 591 [2024-11-13 13:13:21,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:21,518 INFO L471 AbstractCegarLoop]: Abstraction has 2249 states and 3364 transitions. [2024-11-13 13:13:21,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 108.8) internal successors, (544), 5 states have internal predecessors, (544), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 13:13:21,518 INFO L276 IsEmpty]: Start isEmpty. Operand 2249 states and 3364 transitions. [2024-11-13 13:13:21,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 593 [2024-11-13 13:13:21,524 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:21,525 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:21,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 13:13:21,525 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:13:21,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:21,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1259103839, now seen corresponding path program 1 times [2024-11-13 13:13:21,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:21,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623557278] [2024-11-13 13:13:21,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:21,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:22,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:23,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:13:23,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:23,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:13:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:23,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:13:23,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:23,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:13:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:23,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:13:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:23,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:13:23,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:23,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:13:23,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:23,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:13:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:23,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:13:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:23,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:13:23,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:23,627 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:13:23,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:23,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623557278] [2024-11-13 13:13:23,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623557278] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:23,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:23,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:13:23,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081276429] [2024-11-13 13:13:23,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:23,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:13:23,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:23,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:13:23,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:13:23,631 INFO L87 Difference]: Start difference. First operand 2249 states and 3364 transitions. Second operand has 5 states, 5 states have (on average 109.0) internal successors, (545), 5 states have internal predecessors, (545), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 13:13:25,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:25,368 INFO L93 Difference]: Finished difference Result 4044 states and 6048 transitions. [2024-11-13 13:13:25,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:13:25,369 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 109.0) internal successors, (545), 5 states have internal predecessors, (545), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 592 [2024-11-13 13:13:25,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:25,377 INFO L225 Difference]: With dead ends: 4044 [2024-11-13 13:13:25,378 INFO L226 Difference]: Without dead ends: 2249 [2024-11-13 13:13:25,380 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:13:25,381 INFO L432 NwaCegarLoop]: 2559 mSDtfsCounter, 6141 mSDsluCounter, 2561 mSDsCounter, 0 mSdLazyCounter, 1613 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6145 SdHoareTripleChecker+Valid, 5120 SdHoareTripleChecker+Invalid, 1614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:25,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6145 Valid, 5120 Invalid, 1614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1613 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-13 13:13:25,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2249 states. [2024-11-13 13:13:25,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2249 to 2249. [2024-11-13 13:13:25,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2249 states, 2237 states have (on average 1.4944121591417077) internal successors, (3343), 2237 states have internal predecessors, (3343), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:13:25,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2249 states to 2249 states and 3363 transitions. [2024-11-13 13:13:25,444 INFO L78 Accepts]: Start accepts. Automaton has 2249 states and 3363 transitions. Word has length 592 [2024-11-13 13:13:25,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:25,446 INFO L471 AbstractCegarLoop]: Abstraction has 2249 states and 3363 transitions. [2024-11-13 13:13:25,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 109.0) internal successors, (545), 5 states have internal predecessors, (545), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 13:13:25,447 INFO L276 IsEmpty]: Start isEmpty. Operand 2249 states and 3363 transitions. [2024-11-13 13:13:25,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 594 [2024-11-13 13:13:25,454 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:25,455 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:25,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 13:13:25,455 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:13:25,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:25,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1924207428, now seen corresponding path program 1 times [2024-11-13 13:13:25,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:25,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392241055] [2024-11-13 13:13:25,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:25,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:27,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:13:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:27,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:13:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:27,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:13:27,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:27,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:13:27,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:27,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:13:27,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:27,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:13:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:27,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:13:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:27,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:13:27,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:27,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:13:27,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:27,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:13:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:27,333 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:13:27,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:27,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392241055] [2024-11-13 13:13:27,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392241055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:27,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:27,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:13:27,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90058097] [2024-11-13 13:13:27,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:27,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:13:27,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:27,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:13:27,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:13:27,338 INFO L87 Difference]: Start difference. First operand 2249 states and 3363 transitions. Second operand has 5 states, 5 states have (on average 109.2) internal successors, (546), 5 states have internal predecessors, (546), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 13:13:28,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:28,920 INFO L93 Difference]: Finished difference Result 4044 states and 6046 transitions. [2024-11-13 13:13:28,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:13:28,921 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 109.2) internal successors, (546), 5 states have internal predecessors, (546), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 593 [2024-11-13 13:13:28,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:28,931 INFO L225 Difference]: With dead ends: 4044 [2024-11-13 13:13:28,931 INFO L226 Difference]: Without dead ends: 2249 [2024-11-13 13:13:28,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:13:28,935 INFO L432 NwaCegarLoop]: 2559 mSDtfsCounter, 3143 mSDsluCounter, 2575 mSDsCounter, 0 mSdLazyCounter, 1611 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3147 SdHoareTripleChecker+Valid, 5134 SdHoareTripleChecker+Invalid, 1612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:28,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3147 Valid, 5134 Invalid, 1612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1611 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-13 13:13:28,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2249 states. [2024-11-13 13:13:28,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2249 to 2249. [2024-11-13 13:13:28,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2249 states, 2237 states have (on average 1.4939651318730442) internal successors, (3342), 2237 states have internal predecessors, (3342), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:13:28,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2249 states to 2249 states and 3362 transitions. [2024-11-13 13:13:28,991 INFO L78 Accepts]: Start accepts. Automaton has 2249 states and 3362 transitions. Word has length 593 [2024-11-13 13:13:28,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:28,993 INFO L471 AbstractCegarLoop]: Abstraction has 2249 states and 3362 transitions. [2024-11-13 13:13:28,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 109.2) internal successors, (546), 5 states have internal predecessors, (546), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 13:13:28,994 INFO L276 IsEmpty]: Start isEmpty. Operand 2249 states and 3362 transitions. [2024-11-13 13:13:28,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 595 [2024-11-13 13:13:28,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:28,999 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:29,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 13:13:29,000 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:13:29,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:29,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1406714682, now seen corresponding path program 1 times [2024-11-13 13:13:29,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:29,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4838187] [2024-11-13 13:13:29,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:29,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:30,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:13:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:30,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:13:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:30,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:13:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:30,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:13:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:30,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:13:30,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:30,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:13:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:30,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:13:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:30,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:13:30,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:30,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:13:30,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:30,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:13:30,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:30,678 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:13:30,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:30,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4838187] [2024-11-13 13:13:30,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4838187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:30,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:30,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:13:30,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732001524] [2024-11-13 13:13:30,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:30,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:13:30,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:30,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:13:30,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:13:30,681 INFO L87 Difference]: Start difference. First operand 2249 states and 3362 transitions. Second operand has 4 states, 4 states have (on average 136.75) internal successors, (547), 4 states have internal predecessors, (547), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:13:30,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:30,752 INFO L93 Difference]: Finished difference Result 4046 states and 6047 transitions. [2024-11-13 13:13:30,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:13:30,753 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 136.75) internal successors, (547), 4 states have internal predecessors, (547), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 594 [2024-11-13 13:13:30,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:30,761 INFO L225 Difference]: With dead ends: 4046 [2024-11-13 13:13:30,761 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:13:30,764 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:13:30,764 INFO L432 NwaCegarLoop]: 3358 mSDtfsCounter, 0 mSDsluCounter, 6706 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10064 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:30,765 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10064 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:13:30,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:13:30,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:13:30,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.4935238945958016) internal successors, (3344), 2239 states have internal predecessors, (3344), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:13:30,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3364 transitions. [2024-11-13 13:13:30,814 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3364 transitions. Word has length 594 [2024-11-13 13:13:30,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:30,816 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3364 transitions. [2024-11-13 13:13:30,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 136.75) internal successors, (547), 4 states have internal predecessors, (547), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:13:30,816 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3364 transitions. [2024-11-13 13:13:30,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 596 [2024-11-13 13:13:30,822 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:30,823 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:30,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 13:13:30,823 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:13:30,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:30,824 INFO L85 PathProgramCache]: Analyzing trace with hash -439480334, now seen corresponding path program 1 times [2024-11-13 13:13:30,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:30,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475189007] [2024-11-13 13:13:30,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:30,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:33,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:13:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:33,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:13:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:33,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:13:33,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:33,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:13:33,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:33,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:13:33,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:33,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:13:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:33,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:13:33,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:33,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:13:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:33,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:13:33,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:33,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:13:33,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:33,240 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:13:33,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:33,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475189007] [2024-11-13 13:13:33,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475189007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:33,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:33,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:13:33,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254640481] [2024-11-13 13:13:33,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:33,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:13:33,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:33,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:13:33,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:13:33,245 INFO L87 Difference]: Start difference. First operand 2251 states and 3364 transitions. Second operand has 4 states, 4 states have (on average 137.0) internal successors, (548), 4 states have internal predecessors, (548), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:13:33,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:33,638 INFO L93 Difference]: Finished difference Result 4048 states and 6048 transitions. [2024-11-13 13:13:33,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:13:33,639 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 137.0) internal successors, (548), 4 states have internal predecessors, (548), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 595 [2024-11-13 13:13:33,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:33,646 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:13:33,646 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:13:33,649 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 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 13:13:33,649 INFO L432 NwaCegarLoop]: 3219 mSDtfsCounter, 2858 mSDsluCounter, 3221 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2858 SdHoareTripleChecker+Valid, 6440 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:33,649 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2858 Valid, 6440 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:13:33,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:13:33,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:13:33,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.4930772666368914) internal successors, (3343), 2239 states have internal predecessors, (3343), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:13:33,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3363 transitions. [2024-11-13 13:13:33,695 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3363 transitions. Word has length 595 [2024-11-13 13:13:33,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:33,696 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3363 transitions. [2024-11-13 13:13:33,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 137.0) internal successors, (548), 4 states have internal predecessors, (548), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:13:33,697 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3363 transitions. [2024-11-13 13:13:33,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 597 [2024-11-13 13:13:33,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:33,702 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:33,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 13:13:33,703 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:13:33,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:33,703 INFO L85 PathProgramCache]: Analyzing trace with hash -59958402, now seen corresponding path program 1 times [2024-11-13 13:13:33,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:33,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475216469] [2024-11-13 13:13:33,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:33,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:35,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:13:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:35,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:13:35,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:35,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:13:35,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:35,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:13:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:35,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:13:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:35,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:13:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:35,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:13:35,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:35,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:13:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:35,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:13:35,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:35,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:13:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:35,926 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:13:35,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:35,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475216469] [2024-11-13 13:13:35,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475216469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:35,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:35,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:13:35,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526578830] [2024-11-13 13:13:35,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:35,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:13:35,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:35,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:13:35,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:13:35,931 INFO L87 Difference]: Start difference. First operand 2251 states and 3363 transitions. Second operand has 5 states, 5 states have (on average 109.8) internal successors, (549), 5 states have internal predecessors, (549), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:13:36,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:36,348 INFO L93 Difference]: Finished difference Result 4282 states and 6394 transitions. [2024-11-13 13:13:36,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:13:36,350 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 109.8) internal successors, (549), 5 states have internal predecessors, (549), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 596 [2024-11-13 13:13:36,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:36,360 INFO L225 Difference]: With dead ends: 4282 [2024-11-13 13:13:36,360 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:13:36,363 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 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 13:13:36,364 INFO L432 NwaCegarLoop]: 3336 mSDtfsCounter, 3529 mSDsluCounter, 6566 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3529 SdHoareTripleChecker+Valid, 9902 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:36,365 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3529 Valid, 9902 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:13:36,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:13:36,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:13:36,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.4926306386779813) internal successors, (3342), 2239 states have internal predecessors, (3342), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:13:36,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3362 transitions. [2024-11-13 13:13:36,415 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3362 transitions. Word has length 596 [2024-11-13 13:13:36,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:36,416 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3362 transitions. [2024-11-13 13:13:36,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 109.8) internal successors, (549), 5 states have internal predecessors, (549), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:13:36,416 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3362 transitions. [2024-11-13 13:13:36,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2024-11-13 13:13:36,471 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:36,472 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:36,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 13:13:36,472 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:13:36,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:36,473 INFO L85 PathProgramCache]: Analyzing trace with hash 178173149, now seen corresponding path program 1 times [2024-11-13 13:13:36,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:36,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136633779] [2024-11-13 13:13:36,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:36,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:37,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:37,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:13:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:37,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:13:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:37,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:13:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:37,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:13:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:37,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:13:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:37,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:13:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:37,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:13:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:37,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:13:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:37,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:13:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:37,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:13:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:37,961 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:13:37,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:37,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136633779] [2024-11-13 13:13:37,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136633779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:37,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:37,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:13:37,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653163867] [2024-11-13 13:13:37,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:37,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:13:37,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:37,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:13:37,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:13:37,967 INFO L87 Difference]: Start difference. First operand 2251 states and 3362 transitions. Second operand has 5 states, 5 states have (on average 110.0) internal successors, (550), 5 states have internal predecessors, (550), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:13:38,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:38,377 INFO L93 Difference]: Finished difference Result 4048 states and 6044 transitions. [2024-11-13 13:13:38,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:13:38,378 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 110.0) internal successors, (550), 5 states have internal predecessors, (550), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 597 [2024-11-13 13:13:38,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:38,385 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:13:38,385 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:13:38,388 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:13:38,389 INFO L432 NwaCegarLoop]: 3219 mSDtfsCounter, 3332 mSDsluCounter, 3235 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3342 SdHoareTripleChecker+Valid, 6454 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:38,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3342 Valid, 6454 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:13:38,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:13:38,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:13:38,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.492184010719071) internal successors, (3341), 2239 states have internal predecessors, (3341), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:13:38,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3361 transitions. [2024-11-13 13:13:38,436 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3361 transitions. Word has length 597 [2024-11-13 13:13:38,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:38,437 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3361 transitions. [2024-11-13 13:13:38,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 110.0) internal successors, (550), 5 states have internal predecessors, (550), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:13:38,437 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3361 transitions. [2024-11-13 13:13:38,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2024-11-13 13:13:38,443 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:38,443 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:38,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 13:13:38,444 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:13:38,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:38,444 INFO L85 PathProgramCache]: Analyzing trace with hash 930036805, now seen corresponding path program 1 times [2024-11-13 13:13:38,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:38,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751439363] [2024-11-13 13:13:38,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:38,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:39,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:13:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:39,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:13:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:39,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:13:39,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:39,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:13:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:39,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:13:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:39,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:13:39,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:39,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:13:39,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:39,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:13:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:39,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:13:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:39,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:13:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:39,945 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:13:39,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:39,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751439363] [2024-11-13 13:13:39,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751439363] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:39,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:39,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:13:39,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678494463] [2024-11-13 13:13:39,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:39,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:13:39,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:39,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:13:39,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:13:39,948 INFO L87 Difference]: Start difference. First operand 2251 states and 3361 transitions. Second operand has 5 states, 5 states have (on average 110.2) internal successors, (551), 5 states have internal predecessors, (551), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:13:40,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:40,324 INFO L93 Difference]: Finished difference Result 4048 states and 6042 transitions. [2024-11-13 13:13:40,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:13:40,325 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 110.2) internal successors, (551), 5 states have internal predecessors, (551), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 598 [2024-11-13 13:13:40,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:40,331 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:13:40,332 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:13:40,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:13:40,334 INFO L432 NwaCegarLoop]: 3219 mSDtfsCounter, 3328 mSDsluCounter, 3235 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3338 SdHoareTripleChecker+Valid, 6454 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:40,335 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3338 Valid, 6454 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:13:40,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:13:40,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:13:40,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.4917373827601608) internal successors, (3340), 2239 states have internal predecessors, (3340), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:13:40,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3360 transitions. [2024-11-13 13:13:40,382 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3360 transitions. Word has length 598 [2024-11-13 13:13:40,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:40,383 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3360 transitions. [2024-11-13 13:13:40,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 110.2) internal successors, (551), 5 states have internal predecessors, (551), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:13:40,384 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3360 transitions. [2024-11-13 13:13:40,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2024-11-13 13:13:40,392 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:40,393 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:40,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 13:13:40,393 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:13:40,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:40,394 INFO L85 PathProgramCache]: Analyzing trace with hash -2034981756, now seen corresponding path program 1 times [2024-11-13 13:13:40,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:40,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591858180] [2024-11-13 13:13:40,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:40,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:41,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:42,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:13:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:42,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:13:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:42,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:13:42,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:42,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:13:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:42,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:13:42,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:42,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:13:42,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:42,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:13:42,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:42,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:13:42,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:42,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:13:42,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:42,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:13:42,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:42,091 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:13:42,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:42,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591858180] [2024-11-13 13:13:42,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591858180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:42,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:42,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:13:42,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725598269] [2024-11-13 13:13:42,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:42,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:13:42,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:42,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:13:42,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:13:42,094 INFO L87 Difference]: Start difference. First operand 2251 states and 3360 transitions. Second operand has 5 states, 5 states have (on average 110.4) internal successors, (552), 5 states have internal predecessors, (552), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:13:42,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:42,435 INFO L93 Difference]: Finished difference Result 4048 states and 6040 transitions. [2024-11-13 13:13:42,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:13:42,436 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 110.4) internal successors, (552), 5 states have internal predecessors, (552), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 599 [2024-11-13 13:13:42,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:42,443 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:13:42,443 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:13:42,445 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:13:42,445 INFO L432 NwaCegarLoop]: 3219 mSDtfsCounter, 3324 mSDsluCounter, 3235 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3334 SdHoareTripleChecker+Valid, 6454 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:42,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3334 Valid, 6454 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:13:42,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:13:42,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:13:42,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.4912907548012506) internal successors, (3339), 2239 states have internal predecessors, (3339), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:13:42,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3359 transitions. [2024-11-13 13:13:42,484 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3359 transitions. Word has length 599 [2024-11-13 13:13:42,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:42,485 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3359 transitions. [2024-11-13 13:13:42,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 110.4) internal successors, (552), 5 states have internal predecessors, (552), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:13:42,486 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3359 transitions. [2024-11-13 13:13:42,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 601 [2024-11-13 13:13:42,491 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:42,491 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:42,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 13:13:42,491 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:13:42,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:42,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1392524148, now seen corresponding path program 1 times [2024-11-13 13:13:42,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:42,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115003951] [2024-11-13 13:13:42,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:42,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:42,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:43,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:13:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:43,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:13:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:43,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:13:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:43,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:13:43,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:43,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:13:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:43,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:13:43,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:43,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:13:43,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:43,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:13:43,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:43,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:13:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:43,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:13:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:43,770 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:13:43,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:43,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115003951] [2024-11-13 13:13:43,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115003951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:43,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:43,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:13:43,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229947069] [2024-11-13 13:13:43,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:43,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:13:43,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:43,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:13:43,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:13:43,773 INFO L87 Difference]: Start difference. First operand 2251 states and 3359 transitions. Second operand has 5 states, 5 states have (on average 110.6) internal successors, (553), 5 states have internal predecessors, (553), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:13:44,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:44,123 INFO L93 Difference]: Finished difference Result 4048 states and 6038 transitions. [2024-11-13 13:13:44,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:13:44,124 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 110.6) internal successors, (553), 5 states have internal predecessors, (553), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 600 [2024-11-13 13:13:44,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:44,131 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:13:44,131 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:13:44,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:13:44,134 INFO L432 NwaCegarLoop]: 3219 mSDtfsCounter, 3265 mSDsluCounter, 3235 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3275 SdHoareTripleChecker+Valid, 6454 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:44,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3275 Valid, 6454 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:13:44,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:13:44,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:13:44,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.4908441268423402) internal successors, (3338), 2239 states have internal predecessors, (3338), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:13:44,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3358 transitions. [2024-11-13 13:13:44,171 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3358 transitions. Word has length 600 [2024-11-13 13:13:44,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:44,172 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3358 transitions. [2024-11-13 13:13:44,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 110.6) internal successors, (553), 5 states have internal predecessors, (553), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:13:44,173 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3358 transitions. [2024-11-13 13:13:44,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 602 [2024-11-13 13:13:44,177 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:44,178 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:44,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 13:13:44,178 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:13:44,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:44,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1278282050, now seen corresponding path program 1 times [2024-11-13 13:13:44,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:44,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519551177] [2024-11-13 13:13:44,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:44,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:45,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:13:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:45,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:13:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:45,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:13:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:45,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:13:45,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:45,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:13:45,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:45,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:13:45,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:45,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:13:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:45,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:13:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:45,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:13:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:45,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:13:45,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:45,538 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:13:45,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:45,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519551177] [2024-11-13 13:13:45,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519551177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:45,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:45,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:13:45,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791350708] [2024-11-13 13:13:45,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:45,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:13:45,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:45,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:13:45,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:13:45,541 INFO L87 Difference]: Start difference. First operand 2251 states and 3358 transitions. Second operand has 5 states, 5 states have (on average 110.8) internal successors, (554), 5 states have internal predecessors, (554), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:13:45,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:45,855 INFO L93 Difference]: Finished difference Result 4048 states and 6036 transitions. [2024-11-13 13:13:45,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:13:45,856 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 110.8) internal successors, (554), 5 states have internal predecessors, (554), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 601 [2024-11-13 13:13:45,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:45,863 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:13:45,863 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:13:45,869 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:13:45,870 INFO L432 NwaCegarLoop]: 3219 mSDtfsCounter, 3261 mSDsluCounter, 3235 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3271 SdHoareTripleChecker+Valid, 6454 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:45,870 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3271 Valid, 6454 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:13:45,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:13:45,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:13:45,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.49039749888343) internal successors, (3337), 2239 states have internal predecessors, (3337), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:13:45,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3357 transitions. [2024-11-13 13:13:45,909 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3357 transitions. Word has length 601 [2024-11-13 13:13:45,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:45,910 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3357 transitions. [2024-11-13 13:13:45,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 110.8) internal successors, (554), 5 states have internal predecessors, (554), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:13:45,910 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3357 transitions. [2024-11-13 13:13:45,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 603 [2024-11-13 13:13:45,916 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:45,916 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:45,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 13:13:45,916 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:13:45,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:45,917 INFO L85 PathProgramCache]: Analyzing trace with hash 598866629, now seen corresponding path program 1 times [2024-11-13 13:13:45,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:45,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317088964] [2024-11-13 13:13:45,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:45,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:46,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:47,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:13:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:47,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:13:47,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:47,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:13:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:47,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:13:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:47,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:13:47,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:47,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:13:47,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:47,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:13:47,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:47,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:13:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:47,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:13:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:47,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:13:47,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:47,441 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:13:47,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:47,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317088964] [2024-11-13 13:13:47,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317088964] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:47,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:47,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:13:47,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091707986] [2024-11-13 13:13:47,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:47,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:13:47,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:47,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:13:47,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:13:47,444 INFO L87 Difference]: Start difference. First operand 2251 states and 3357 transitions. Second operand has 5 states, 5 states have (on average 111.0) internal successors, (555), 5 states have internal predecessors, (555), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:13:47,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:47,739 INFO L93 Difference]: Finished difference Result 4048 states and 6034 transitions. [2024-11-13 13:13:47,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:13:47,740 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 111.0) internal successors, (555), 5 states have internal predecessors, (555), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 602 [2024-11-13 13:13:47,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:47,746 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:13:47,746 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:13:47,747 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:13:47,748 INFO L432 NwaCegarLoop]: 3219 mSDtfsCounter, 3257 mSDsluCounter, 3235 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3267 SdHoareTripleChecker+Valid, 6454 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:47,748 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3267 Valid, 6454 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:13:47,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:13:47,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:13:47,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.48995087092452) internal successors, (3336), 2239 states have internal predecessors, (3336), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:13:47,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3356 transitions. [2024-11-13 13:13:47,782 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3356 transitions. Word has length 602 [2024-11-13 13:13:47,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:47,783 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3356 transitions. [2024-11-13 13:13:47,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 111.0) internal successors, (555), 5 states have internal predecessors, (555), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:13:47,783 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3356 transitions. [2024-11-13 13:13:47,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 604 [2024-11-13 13:13:47,788 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:47,788 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:47,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 13:13:47,789 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:13:47,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:47,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1492718039, now seen corresponding path program 1 times [2024-11-13 13:13:47,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:47,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921966415] [2024-11-13 13:13:47,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:47,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:49,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:13:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:49,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:13:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:49,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:13:49,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:49,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:13:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:49,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:13:49,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:49,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:13:49,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:49,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:13:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:49,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:13:49,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:49,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:13:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:49,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:13:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:49,039 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:13:49,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:49,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921966415] [2024-11-13 13:13:49,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921966415] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:49,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:49,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:13:49,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469866252] [2024-11-13 13:13:49,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:49,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:13:49,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:49,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:13:49,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:13:49,042 INFO L87 Difference]: Start difference. First operand 2251 states and 3356 transitions. Second operand has 5 states, 5 states have (on average 111.2) internal successors, (556), 5 states have internal predecessors, (556), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:13:49,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:49,356 INFO L93 Difference]: Finished difference Result 4048 states and 6032 transitions. [2024-11-13 13:13:49,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:13:49,357 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 111.2) internal successors, (556), 5 states have internal predecessors, (556), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 603 [2024-11-13 13:13:49,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:49,363 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:13:49,364 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:13:49,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:13:49,366 INFO L432 NwaCegarLoop]: 3219 mSDtfsCounter, 3253 mSDsluCounter, 3235 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3263 SdHoareTripleChecker+Valid, 6454 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:49,366 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3263 Valid, 6454 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:13:49,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:13:49,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:13:49,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.4895042429656096) internal successors, (3335), 2239 states have internal predecessors, (3335), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:13:49,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3355 transitions. [2024-11-13 13:13:49,399 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3355 transitions. Word has length 603 [2024-11-13 13:13:49,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:49,399 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3355 transitions. [2024-11-13 13:13:49,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 111.2) internal successors, (556), 5 states have internal predecessors, (556), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:13:49,400 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3355 transitions. [2024-11-13 13:13:49,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 605 [2024-11-13 13:13:49,405 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:49,405 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:49,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 13:13:49,405 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:13:49,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:49,406 INFO L85 PathProgramCache]: Analyzing trace with hash -314461826, now seen corresponding path program 1 times [2024-11-13 13:13:49,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:49,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067044679] [2024-11-13 13:13:49,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:49,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:50,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:13:50,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:50,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:13:50,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:50,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:13:50,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:50,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:13:50,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:50,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:13:50,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:50,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:13:50,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:50,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:13:50,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:50,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:13:50,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:50,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:13:50,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:50,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:13:50,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:50,636 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:13:50,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:50,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067044679] [2024-11-13 13:13:50,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067044679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:50,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:50,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:13:50,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346490307] [2024-11-13 13:13:50,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:50,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:13:50,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:50,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:13:50,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:13:50,639 INFO L87 Difference]: Start difference. First operand 2251 states and 3355 transitions. Second operand has 5 states, 5 states have (on average 111.4) internal successors, (557), 5 states have internal predecessors, (557), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:13:50,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:50,939 INFO L93 Difference]: Finished difference Result 4048 states and 6030 transitions. [2024-11-13 13:13:50,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:13:50,939 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 111.4) internal successors, (557), 5 states have internal predecessors, (557), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 604 [2024-11-13 13:13:50,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:50,945 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:13:50,945 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:13:50,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:13:50,948 INFO L432 NwaCegarLoop]: 3219 mSDtfsCounter, 6039 mSDsluCounter, 3221 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6049 SdHoareTripleChecker+Valid, 6440 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:50,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6049 Valid, 6440 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:13:50,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:13:50,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:13:50,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.4890576150066994) internal successors, (3334), 2239 states have internal predecessors, (3334), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:13:50,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3354 transitions. [2024-11-13 13:13:50,975 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3354 transitions. Word has length 604 [2024-11-13 13:13:50,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:50,976 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3354 transitions. [2024-11-13 13:13:50,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 111.4) internal successors, (557), 5 states have internal predecessors, (557), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:13:50,976 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3354 transitions. [2024-11-13 13:13:50,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2024-11-13 13:13:50,980 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:50,981 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:50,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 13:13:50,981 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:13:50,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:50,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1574177981, now seen corresponding path program 1 times [2024-11-13 13:13:50,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:50,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127055259] [2024-11-13 13:13:50,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:50,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:52,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:13:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:52,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:13:52,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:52,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:13:52,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:52,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:13:52,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:52,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:13:52,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:52,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:13:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:52,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:13:52,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:52,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:13:52,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:52,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:13:52,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:52,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:13:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:52,521 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:13:52,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:52,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127055259] [2024-11-13 13:13:52,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127055259] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:52,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:52,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:13:52,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070235732] [2024-11-13 13:13:52,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:52,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:13:52,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:52,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:13:52,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:13:52,524 INFO L87 Difference]: Start difference. First operand 2251 states and 3354 transitions. Second operand has 5 states, 5 states have (on average 111.6) internal successors, (558), 5 states have internal predecessors, (558), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:13:52,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:52,844 INFO L93 Difference]: Finished difference Result 4048 states and 6028 transitions. [2024-11-13 13:13:52,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:13:52,845 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 111.6) internal successors, (558), 5 states have internal predecessors, (558), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 605 [2024-11-13 13:13:52,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:52,849 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:13:52,849 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:13:52,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:13:52,851 INFO L432 NwaCegarLoop]: 3219 mSDtfsCounter, 3190 mSDsluCounter, 3235 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3200 SdHoareTripleChecker+Valid, 6454 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:52,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3200 Valid, 6454 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:13:52,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:13:52,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:13:52,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.4886109870477893) internal successors, (3333), 2239 states have internal predecessors, (3333), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:13:52,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3353 transitions. [2024-11-13 13:13:52,876 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3353 transitions. Word has length 605 [2024-11-13 13:13:52,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:52,877 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3353 transitions. [2024-11-13 13:13:52,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 111.6) internal successors, (558), 5 states have internal predecessors, (558), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:13:52,877 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3353 transitions. [2024-11-13 13:13:52,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2024-11-13 13:13:52,880 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:52,881 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:52,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 13:13:52,881 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:13:52,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:52,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1036771461, now seen corresponding path program 1 times [2024-11-13 13:13:52,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:52,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780006356] [2024-11-13 13:13:52,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:52,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:53,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:54,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:13:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:54,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:13:54,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:54,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:13:54,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:54,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:13:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:54,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:13:54,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:54,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:13:54,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:54,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:13:54,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:54,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:13:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:54,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:13:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:54,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:13:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:54,198 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:13:54,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:54,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780006356] [2024-11-13 13:13:54,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780006356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:54,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:54,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:13:54,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487568931] [2024-11-13 13:13:54,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:54,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:13:54,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:54,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:13:54,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:13:54,202 INFO L87 Difference]: Start difference. First operand 2251 states and 3353 transitions. Second operand has 5 states, 5 states have (on average 111.8) internal successors, (559), 5 states have internal predecessors, (559), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:13:54,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:54,547 INFO L93 Difference]: Finished difference Result 4048 states and 6026 transitions. [2024-11-13 13:13:54,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:13:54,548 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 111.8) internal successors, (559), 5 states have internal predecessors, (559), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 606 [2024-11-13 13:13:54,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:54,552 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:13:54,553 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:13:54,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:13:54,555 INFO L432 NwaCegarLoop]: 3219 mSDtfsCounter, 6023 mSDsluCounter, 3221 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6033 SdHoareTripleChecker+Valid, 6440 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:54,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6033 Valid, 6440 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:13:54,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:13:54,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:13:54,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.488164359088879) internal successors, (3332), 2239 states have internal predecessors, (3332), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:13:54,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3352 transitions. [2024-11-13 13:13:54,591 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3352 transitions. Word has length 606 [2024-11-13 13:13:54,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:54,592 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3352 transitions. [2024-11-13 13:13:54,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 111.8) internal successors, (559), 5 states have internal predecessors, (559), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:13:54,593 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3352 transitions. [2024-11-13 13:13:54,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 608 [2024-11-13 13:13:54,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:54,598 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:54,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 13:13:54,599 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:13:54,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:54,599 INFO L85 PathProgramCache]: Analyzing trace with hash -91034972, now seen corresponding path program 1 times [2024-11-13 13:13:54,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:54,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192257124] [2024-11-13 13:13:54,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:54,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:56,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:13:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:56,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:13:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:56,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:13:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:56,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:13:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:56,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:13:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:56,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:13:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:56,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:13:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:56,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:13:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:56,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:13:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:56,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:13:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:56,107 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:13:56,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:56,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192257124] [2024-11-13 13:13:56,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192257124] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:56,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:56,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:13:56,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17986955] [2024-11-13 13:13:56,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:56,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:13:56,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:56,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:13:56,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:13:56,109 INFO L87 Difference]: Start difference. First operand 2251 states and 3352 transitions. Second operand has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:13:56,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:56,594 INFO L93 Difference]: Finished difference Result 4048 states and 6024 transitions. [2024-11-13 13:13:56,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:13:56,595 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 607 [2024-11-13 13:13:56,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:56,600 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:13:56,600 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:13:56,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 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 13:13:56,603 INFO L432 NwaCegarLoop]: 3087 mSDtfsCounter, 2966 mSDsluCounter, 3089 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2966 SdHoareTripleChecker+Valid, 6176 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:56,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2966 Valid, 6176 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:13:56,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:13:56,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:13:56,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.4877177311299687) internal successors, (3331), 2239 states have internal predecessors, (3331), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:13:56,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3351 transitions. [2024-11-13 13:13:56,635 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3351 transitions. Word has length 607 [2024-11-13 13:13:56,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:56,635 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3351 transitions. [2024-11-13 13:13:56,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:13:56,635 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3351 transitions. [2024-11-13 13:13:56,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2024-11-13 13:13:56,640 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:56,640 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:56,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 13:13:56,640 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:13:56,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:56,641 INFO L85 PathProgramCache]: Analyzing trace with hash -84858203, now seen corresponding path program 1 times [2024-11-13 13:13:56,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:56,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940351165] [2024-11-13 13:13:56,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:56,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:57,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:13:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:57,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:13:57,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:57,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:13:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:57,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:13:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:57,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:13:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:57,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:13:57,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:57,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:13:57,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:57,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:13:57,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:57,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:13:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:57,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:13:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:57,904 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:13:57,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:57,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940351165] [2024-11-13 13:13:57,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940351165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:57,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:57,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:13:57,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322189478] [2024-11-13 13:13:57,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:57,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:13:57,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:57,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:13:57,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:13:57,907 INFO L87 Difference]: Start difference. First operand 2251 states and 3351 transitions. Second operand has 5 states, 5 states have (on average 112.2) internal successors, (561), 5 states have internal predecessors, (561), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:13:58,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:58,426 INFO L93 Difference]: Finished difference Result 4048 states and 6022 transitions. [2024-11-13 13:13:58,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:13:58,427 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 112.2) internal successors, (561), 5 states have internal predecessors, (561), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 608 [2024-11-13 13:13:58,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:58,432 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:13:58,432 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:13:58,434 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:13:58,435 INFO L432 NwaCegarLoop]: 3087 mSDtfsCounter, 6281 mSDsluCounter, 3089 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6291 SdHoareTripleChecker+Valid, 6176 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:58,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6291 Valid, 6176 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:13:58,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:13:58,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:13:58,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.4872711031710586) internal successors, (3330), 2239 states have internal predecessors, (3330), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:13:58,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3350 transitions. [2024-11-13 13:13:58,465 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3350 transitions. Word has length 608 [2024-11-13 13:13:58,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:58,465 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3350 transitions. [2024-11-13 13:13:58,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 112.2) internal successors, (561), 5 states have internal predecessors, (561), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:13:58,465 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3350 transitions. [2024-11-13 13:13:58,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 610 [2024-11-13 13:13:58,469 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:58,469 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:58,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 13:13:58,469 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:13:58,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:58,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1693859069, now seen corresponding path program 1 times [2024-11-13 13:13:58,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:58,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588972402] [2024-11-13 13:13:58,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:58,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:58,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:59,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:13:59,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:59,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:13:59,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:59,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:13:59,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:59,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:13:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:59,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:13:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:59,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:13:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:59,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:13:59,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:59,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:13:59,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:59,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:13:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:59,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:13:59,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:59,403 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:13:59,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:59,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588972402] [2024-11-13 13:13:59,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588972402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:59,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:59,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:13:59,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278129825] [2024-11-13 13:13:59,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:59,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:13:59,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:59,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:13:59,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:13:59,406 INFO L87 Difference]: Start difference. First operand 2251 states and 3350 transitions. Second operand has 5 states, 5 states have (on average 112.4) internal successors, (562), 5 states have internal predecessors, (562), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:00,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:00,008 INFO L93 Difference]: Finished difference Result 4048 states and 6020 transitions. [2024-11-13 13:14:00,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:14:00,009 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 112.4) internal successors, (562), 5 states have internal predecessors, (562), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 609 [2024-11-13 13:14:00,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:00,013 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:14:00,013 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:14:00,015 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:14:00,017 INFO L432 NwaCegarLoop]: 3087 mSDtfsCounter, 6273 mSDsluCounter, 3089 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6283 SdHoareTripleChecker+Valid, 6176 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:00,017 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6283 Valid, 6176 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:14:00,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:14:00,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:14:00,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.4868244752121482) internal successors, (3329), 2239 states have internal predecessors, (3329), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:14:00,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3349 transitions. [2024-11-13 13:14:00,056 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3349 transitions. Word has length 609 [2024-11-13 13:14:00,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:00,057 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3349 transitions. [2024-11-13 13:14:00,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 112.4) internal successors, (562), 5 states have internal predecessors, (562), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:00,057 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3349 transitions. [2024-11-13 13:14:00,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 611 [2024-11-13 13:14:00,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:00,062 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:00,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 13:14:00,062 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:14:00,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:00,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1260388894, now seen corresponding path program 1 times [2024-11-13 13:14:00,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:00,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735834583] [2024-11-13 13:14:00,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:00,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:01,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:14:01,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:01,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:14:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:01,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:14:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:01,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:14:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:01,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:14:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:01,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:14:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:01,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:14:01,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:01,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:14:01,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:01,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:14:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:01,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:14:01,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:01,188 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:14:01,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:01,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735834583] [2024-11-13 13:14:01,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735834583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:01,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:01,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:14:01,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222800830] [2024-11-13 13:14:01,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:01,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:14:01,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:01,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:14:01,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:14:01,190 INFO L87 Difference]: Start difference. First operand 2251 states and 3349 transitions. Second operand has 5 states, 5 states have (on average 112.6) internal successors, (563), 5 states have internal predecessors, (563), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:01,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:01,691 INFO L93 Difference]: Finished difference Result 4048 states and 6018 transitions. [2024-11-13 13:14:01,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:14:01,696 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 112.6) internal successors, (563), 5 states have internal predecessors, (563), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 610 [2024-11-13 13:14:01,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:01,702 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:14:01,703 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:14:01,705 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:14:01,708 INFO L432 NwaCegarLoop]: 3087 mSDtfsCounter, 3313 mSDsluCounter, 3103 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3323 SdHoareTripleChecker+Valid, 6190 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:01,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3323 Valid, 6190 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:14:01,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:14:01,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:14:01,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.486377847253238) internal successors, (3328), 2239 states have internal predecessors, (3328), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:14:01,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3348 transitions. [2024-11-13 13:14:01,743 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3348 transitions. Word has length 610 [2024-11-13 13:14:01,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:01,744 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3348 transitions. [2024-11-13 13:14:01,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 112.6) internal successors, (563), 5 states have internal predecessors, (563), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:01,745 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3348 transitions. [2024-11-13 13:14:01,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 612 [2024-11-13 13:14:01,749 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:01,749 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:01,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-13 13:14:01,750 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:14:01,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:01,750 INFO L85 PathProgramCache]: Analyzing trace with hash 506869718, now seen corresponding path program 1 times [2024-11-13 13:14:01,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:01,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606039828] [2024-11-13 13:14:01,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:01,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:02,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:03,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:14:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:03,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:14:03,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:03,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:14:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:03,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:14:03,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:03,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:14:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:03,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:14:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:03,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:14:03,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:03,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:14:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:03,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:14:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:03,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:14:03,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:03,333 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:14:03,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:03,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606039828] [2024-11-13 13:14:03,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606039828] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:03,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:03,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:14:03,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954027863] [2024-11-13 13:14:03,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:03,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:14:03,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:03,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:14:03,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:14:03,336 INFO L87 Difference]: Start difference. First operand 2251 states and 3348 transitions. Second operand has 5 states, 5 states have (on average 112.8) internal successors, (564), 5 states have internal predecessors, (564), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:03,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:03,867 INFO L93 Difference]: Finished difference Result 4048 states and 6016 transitions. [2024-11-13 13:14:03,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:14:03,868 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 112.8) internal successors, (564), 5 states have internal predecessors, (564), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 611 [2024-11-13 13:14:03,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:03,871 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:14:03,871 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:14:03,872 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:14:03,873 INFO L432 NwaCegarLoop]: 3087 mSDtfsCounter, 6257 mSDsluCounter, 3089 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6267 SdHoareTripleChecker+Valid, 6176 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:03,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6267 Valid, 6176 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:14:03,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:14:03,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:14:03,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.485931219294328) internal successors, (3327), 2239 states have internal predecessors, (3327), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:14:03,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3347 transitions. [2024-11-13 13:14:03,900 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3347 transitions. Word has length 611 [2024-11-13 13:14:03,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:03,901 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3347 transitions. [2024-11-13 13:14:03,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 112.8) internal successors, (564), 5 states have internal predecessors, (564), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:03,901 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3347 transitions. [2024-11-13 13:14:03,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2024-11-13 13:14:03,903 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:03,904 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:03,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-13 13:14:03,904 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:14:03,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:03,904 INFO L85 PathProgramCache]: Analyzing trace with hash 789998103, now seen corresponding path program 1 times [2024-11-13 13:14:03,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:03,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690888360] [2024-11-13 13:14:03,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:03,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:04,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:05,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:14:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:05,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:14:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:05,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:14:05,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:05,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:14:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:05,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:14:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:05,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:14:05,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:05,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:14:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:05,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:14:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:05,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:14:05,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:05,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:14:05,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:05,250 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:14:05,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:05,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690888360] [2024-11-13 13:14:05,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690888360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:05,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:05,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:14:05,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280783860] [2024-11-13 13:14:05,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:05,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:14:05,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:05,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:14:05,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:14:05,252 INFO L87 Difference]: Start difference. First operand 2251 states and 3347 transitions. Second operand has 5 states, 5 states have (on average 113.0) internal successors, (565), 5 states have internal predecessors, (565), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:05,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:05,780 INFO L93 Difference]: Finished difference Result 4048 states and 6014 transitions. [2024-11-13 13:14:05,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:14:05,780 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 113.0) internal successors, (565), 5 states have internal predecessors, (565), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 612 [2024-11-13 13:14:05,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:05,783 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:14:05,783 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:14:05,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:14:05,785 INFO L432 NwaCegarLoop]: 3087 mSDtfsCounter, 3305 mSDsluCounter, 3103 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3315 SdHoareTripleChecker+Valid, 6190 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:05,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3315 Valid, 6190 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:14:05,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:14:05,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:14:05,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.4854845913354175) internal successors, (3326), 2239 states have internal predecessors, (3326), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:14:05,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3346 transitions. [2024-11-13 13:14:05,819 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3346 transitions. Word has length 612 [2024-11-13 13:14:05,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:05,820 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3346 transitions. [2024-11-13 13:14:05,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 113.0) internal successors, (565), 5 states have internal predecessors, (565), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:05,820 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3346 transitions. [2024-11-13 13:14:05,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 614 [2024-11-13 13:14:05,824 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:05,825 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:05,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-13 13:14:05,825 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:14:05,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:05,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1600527151, now seen corresponding path program 1 times [2024-11-13 13:14:05,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:05,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557888962] [2024-11-13 13:14:05,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:05,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:06,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:07,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:14:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:07,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:14:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:07,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:14:07,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:07,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:14:07,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:07,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:14:07,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:07,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:14:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:07,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:14:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:07,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:14:07,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:07,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:14:07,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:07,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:14:07,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:07,280 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:14:07,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:07,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557888962] [2024-11-13 13:14:07,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557888962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:07,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:07,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:14:07,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882639145] [2024-11-13 13:14:07,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:07,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:14:07,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:07,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:14:07,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:14:07,282 INFO L87 Difference]: Start difference. First operand 2251 states and 3346 transitions. Second operand has 5 states, 5 states have (on average 113.2) internal successors, (566), 5 states have internal predecessors, (566), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:07,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:07,772 INFO L93 Difference]: Finished difference Result 4048 states and 6012 transitions. [2024-11-13 13:14:07,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:14:07,773 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 113.2) internal successors, (566), 5 states have internal predecessors, (566), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 613 [2024-11-13 13:14:07,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:07,775 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:14:07,775 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:14:07,778 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:14:07,778 INFO L432 NwaCegarLoop]: 3087 mSDtfsCounter, 6241 mSDsluCounter, 3089 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6251 SdHoareTripleChecker+Valid, 6176 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:07,779 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6251 Valid, 6176 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:14:07,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:14:07,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:14:07,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.4850379633765074) internal successors, (3325), 2239 states have internal predecessors, (3325), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:14:07,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3345 transitions. [2024-11-13 13:14:07,812 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3345 transitions. Word has length 613 [2024-11-13 13:14:07,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:07,813 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3345 transitions. [2024-11-13 13:14:07,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 113.2) internal successors, (566), 5 states have internal predecessors, (566), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:07,813 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3345 transitions. [2024-11-13 13:14:07,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 615 [2024-11-13 13:14:07,817 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:07,818 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:07,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-13 13:14:07,818 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:14:07,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:07,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1071275376, now seen corresponding path program 1 times [2024-11-13 13:14:07,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:07,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251767214] [2024-11-13 13:14:07,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:07,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:08,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:14:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:08,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:14:08,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:08,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:14:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:08,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:14:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:08,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:14:08,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:08,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:14:08,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:08,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:14:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:08,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:14:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:08,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:14:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:08,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:14:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:09,001 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:14:09,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:09,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251767214] [2024-11-13 13:14:09,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251767214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:09,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:09,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:14:09,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673738477] [2024-11-13 13:14:09,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:09,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:14:09,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:09,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:14:09,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:14:09,003 INFO L87 Difference]: Start difference. First operand 2251 states and 3345 transitions. Second operand has 5 states, 5 states have (on average 113.4) internal successors, (567), 5 states have internal predecessors, (567), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:09,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:09,537 INFO L93 Difference]: Finished difference Result 4048 states and 6010 transitions. [2024-11-13 13:14:09,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:14:09,538 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 113.4) internal successors, (567), 5 states have internal predecessors, (567), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 614 [2024-11-13 13:14:09,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:09,542 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:14:09,542 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:14:09,544 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:14:09,545 INFO L432 NwaCegarLoop]: 3087 mSDtfsCounter, 6233 mSDsluCounter, 3089 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6243 SdHoareTripleChecker+Valid, 6176 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:09,547 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6243 Valid, 6176 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:14:09,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:14:09,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:14:09,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.4845913354175972) internal successors, (3324), 2239 states have internal predecessors, (3324), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:14:09,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3344 transitions. [2024-11-13 13:14:09,586 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3344 transitions. Word has length 614 [2024-11-13 13:14:09,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:09,587 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3344 transitions. [2024-11-13 13:14:09,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 113.4) internal successors, (567), 5 states have internal predecessors, (567), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:09,587 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3344 transitions. [2024-11-13 13:14:09,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 616 [2024-11-13 13:14:09,591 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:09,592 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:09,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-13 13:14:09,592 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:14:09,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:09,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1048127240, now seen corresponding path program 1 times [2024-11-13 13:14:09,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:09,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387021135] [2024-11-13 13:14:09,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:09,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:10,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:10,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:14:10,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:10,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:14:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:10,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:14:10,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:10,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:14:10,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:10,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:14:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:10,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:14:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:10,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:14:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:10,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:14:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:10,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:14:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:11,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:14:11,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:11,003 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:14:11,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:11,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387021135] [2024-11-13 13:14:11,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387021135] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:11,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:11,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:14:11,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373205399] [2024-11-13 13:14:11,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:11,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:14:11,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:11,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:14:11,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:14:11,005 INFO L87 Difference]: Start difference. First operand 2251 states and 3344 transitions. Second operand has 5 states, 5 states have (on average 113.6) internal successors, (568), 5 states have internal predecessors, (568), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:11,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:11,517 INFO L93 Difference]: Finished difference Result 4048 states and 6008 transitions. [2024-11-13 13:14:11,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:14:11,518 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 113.6) internal successors, (568), 5 states have internal predecessors, (568), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 615 [2024-11-13 13:14:11,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:11,521 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:14:11,521 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:14:11,523 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:14:11,524 INFO L432 NwaCegarLoop]: 3087 mSDtfsCounter, 3242 mSDsluCounter, 3103 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3252 SdHoareTripleChecker+Valid, 6190 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:11,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3252 Valid, 6190 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:14:11,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:14:11,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:14:11,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.4841447074586869) internal successors, (3323), 2239 states have internal predecessors, (3323), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:14:11,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3343 transitions. [2024-11-13 13:14:11,555 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3343 transitions. Word has length 615 [2024-11-13 13:14:11,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:11,556 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3343 transitions. [2024-11-13 13:14:11,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 113.6) internal successors, (568), 5 states have internal predecessors, (568), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:11,556 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3343 transitions. [2024-11-13 13:14:11,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 617 [2024-11-13 13:14:11,559 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:11,559 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:11,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-13 13:14:11,559 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:14:11,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:11,560 INFO L85 PathProgramCache]: Analyzing trace with hash 578054542, now seen corresponding path program 1 times [2024-11-13 13:14:11,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:11,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693864354] [2024-11-13 13:14:11,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:11,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:12,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:14:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:12,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:14:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:12,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:14:12,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:12,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:14:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:12,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:14:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:12,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:14:12,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:12,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:14:12,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:12,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:14:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:12,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:14:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:12,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:14:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:12,504 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:14:12,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:12,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693864354] [2024-11-13 13:14:12,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693864354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:12,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:12,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:14:12,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393029466] [2024-11-13 13:14:12,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:12,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:14:12,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:12,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:14:12,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:14:12,507 INFO L87 Difference]: Start difference. First operand 2251 states and 3343 transitions. Second operand has 5 states, 5 states have (on average 113.8) internal successors, (569), 5 states have internal predecessors, (569), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:13,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:13,051 INFO L93 Difference]: Finished difference Result 4048 states and 6006 transitions. [2024-11-13 13:14:13,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:14:13,052 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 113.8) internal successors, (569), 5 states have internal predecessors, (569), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 616 [2024-11-13 13:14:13,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:13,055 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:14:13,055 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:14:13,056 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:14:13,057 INFO L432 NwaCegarLoop]: 3087 mSDtfsCounter, 6115 mSDsluCounter, 3089 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6125 SdHoareTripleChecker+Valid, 6176 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:13,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6125 Valid, 6176 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:14:13,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:14:13,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:14:13,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.4836980794997767) internal successors, (3322), 2239 states have internal predecessors, (3322), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:14:13,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3342 transitions. [2024-11-13 13:14:13,089 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3342 transitions. Word has length 616 [2024-11-13 13:14:13,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:13,090 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3342 transitions. [2024-11-13 13:14:13,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 113.8) internal successors, (569), 5 states have internal predecessors, (569), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:13,090 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3342 transitions. [2024-11-13 13:14:13,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 618 [2024-11-13 13:14:13,095 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:13,095 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:13,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-13 13:14:13,096 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:14:13,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:13,096 INFO L85 PathProgramCache]: Analyzing trace with hash -260329425, now seen corresponding path program 1 times [2024-11-13 13:14:13,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:13,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382914129] [2024-11-13 13:14:13,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:13,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:14,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:14:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:14,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:14:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:14,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:14:14,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:14,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:14:14,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:14,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:14:14,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:14,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:14:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:14,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:14:14,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:14,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:14:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:14,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:14:14,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:14,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:14:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:14,380 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:14:14,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:14,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382914129] [2024-11-13 13:14:14,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382914129] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:14,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:14,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:14:14,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006682703] [2024-11-13 13:14:14,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:14,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:14:14,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:14,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:14:14,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:14:14,383 INFO L87 Difference]: Start difference. First operand 2251 states and 3342 transitions. Second operand has 5 states, 5 states have (on average 114.0) internal successors, (570), 5 states have internal predecessors, (570), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:14,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:14,867 INFO L93 Difference]: Finished difference Result 4048 states and 6004 transitions. [2024-11-13 13:14:14,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:14:14,868 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 114.0) internal successors, (570), 5 states have internal predecessors, (570), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 617 [2024-11-13 13:14:14,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:14,871 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:14:14,871 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:14:14,873 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:14:14,873 INFO L432 NwaCegarLoop]: 3087 mSDtfsCounter, 3234 mSDsluCounter, 3103 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3244 SdHoareTripleChecker+Valid, 6190 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:14,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3244 Valid, 6190 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:14:14,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:14:14,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:14:14,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.4832514515408664) internal successors, (3321), 2239 states have internal predecessors, (3321), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:14:14,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3341 transitions. [2024-11-13 13:14:14,908 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3341 transitions. Word has length 617 [2024-11-13 13:14:14,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:14,909 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3341 transitions. [2024-11-13 13:14:14,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 114.0) internal successors, (570), 5 states have internal predecessors, (570), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:14,909 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3341 transitions. [2024-11-13 13:14:14,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 619 [2024-11-13 13:14:14,914 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:14,914 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:14,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-13 13:14:14,914 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:14:14,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:14,915 INFO L85 PathProgramCache]: Analyzing trace with hash 472409045, now seen corresponding path program 1 times [2024-11-13 13:14:14,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:14,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281212564] [2024-11-13 13:14:14,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:14,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:15,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:16,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:14:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:16,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:14:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:16,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:14:16,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:16,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:14:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:16,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:14:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:16,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:14:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:16,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:14:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:16,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:14:16,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:16,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:14:16,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:16,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:14:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:16,134 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:14:16,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:16,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281212564] [2024-11-13 13:14:16,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281212564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:16,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:16,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:14:16,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060519239] [2024-11-13 13:14:16,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:16,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:14:16,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:16,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:14:16,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:14:16,136 INFO L87 Difference]: Start difference. First operand 2251 states and 3341 transitions. Second operand has 5 states, 5 states have (on average 114.2) internal successors, (571), 5 states have internal predecessors, (571), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:16,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:16,613 INFO L93 Difference]: Finished difference Result 4048 states and 6002 transitions. [2024-11-13 13:14:16,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:14:16,613 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 114.2) internal successors, (571), 5 states have internal predecessors, (571), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 618 [2024-11-13 13:14:16,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:16,615 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:14:16,615 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:14:16,617 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:14:16,617 INFO L432 NwaCegarLoop]: 3087 mSDtfsCounter, 6099 mSDsluCounter, 3089 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6109 SdHoareTripleChecker+Valid, 6176 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:16,617 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6109 Valid, 6176 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:14:16,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:14:16,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:14:16,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.4828048235819562) internal successors, (3320), 2239 states have internal predecessors, (3320), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:14:16,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3340 transitions. [2024-11-13 13:14:16,645 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3340 transitions. Word has length 618 [2024-11-13 13:14:16,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:16,646 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3340 transitions. [2024-11-13 13:14:16,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 114.2) internal successors, (571), 5 states have internal predecessors, (571), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:16,646 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3340 transitions. [2024-11-13 13:14:16,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 620 [2024-11-13 13:14:16,651 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:16,651 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:16,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-13 13:14:16,652 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:14:16,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:16,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1544640298, now seen corresponding path program 1 times [2024-11-13 13:14:16,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:16,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956428538] [2024-11-13 13:14:16,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:16,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:17,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:14:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:17,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:14:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:17,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:14:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:17,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:14:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:17,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:14:17,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:17,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:14:17,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:17,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:14:17,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:17,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:14:17,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:17,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:14:17,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:17,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:14:17,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:17,901 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:14:17,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:17,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956428538] [2024-11-13 13:14:17,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956428538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:17,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:17,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:14:17,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587437139] [2024-11-13 13:14:17,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:17,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:14:17,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:17,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:14:17,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:14:17,903 INFO L87 Difference]: Start difference. First operand 2251 states and 3340 transitions. Second operand has 5 states, 5 states have (on average 114.4) internal successors, (572), 5 states have internal predecessors, (572), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:18,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:18,351 INFO L93 Difference]: Finished difference Result 4048 states and 6000 transitions. [2024-11-13 13:14:18,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:14:18,352 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 114.4) internal successors, (572), 5 states have internal predecessors, (572), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 619 [2024-11-13 13:14:18,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:18,355 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:14:18,355 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:14:18,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:14:18,358 INFO L432 NwaCegarLoop]: 3087 mSDtfsCounter, 3226 mSDsluCounter, 3103 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3236 SdHoareTripleChecker+Valid, 6190 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:18,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3236 Valid, 6190 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:14:18,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:14:18,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:14:18,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.482358195623046) internal successors, (3319), 2239 states have internal predecessors, (3319), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:14:18,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3339 transitions. [2024-11-13 13:14:18,386 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3339 transitions. Word has length 619 [2024-11-13 13:14:18,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:18,387 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3339 transitions. [2024-11-13 13:14:18,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 114.4) internal successors, (572), 5 states have internal predecessors, (572), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:18,387 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3339 transitions. [2024-11-13 13:14:18,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 621 [2024-11-13 13:14:18,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:18,392 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:18,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-13 13:14:18,392 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:14:18,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:18,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1947948444, now seen corresponding path program 1 times [2024-11-13 13:14:18,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:18,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541766080] [2024-11-13 13:14:18,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:18,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:19,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:14:19,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:19,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:14:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:19,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:14:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:19,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:14:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:19,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:14:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:19,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:14:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:19,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:14:19,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:19,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:14:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:19,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:14:19,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:19,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:14:19,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:19,645 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:14:19,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:19,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541766080] [2024-11-13 13:14:19,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541766080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:19,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:19,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:14:19,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408137312] [2024-11-13 13:14:19,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:19,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:14:19,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:19,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:14:19,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:14:19,651 INFO L87 Difference]: Start difference. First operand 2251 states and 3339 transitions. Second operand has 5 states, 5 states have (on average 114.6) internal successors, (573), 5 states have internal predecessors, (573), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:20,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:20,155 INFO L93 Difference]: Finished difference Result 4048 states and 5998 transitions. [2024-11-13 13:14:20,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:14:20,156 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 114.6) internal successors, (573), 5 states have internal predecessors, (573), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 620 [2024-11-13 13:14:20,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:20,158 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:14:20,158 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:14:20,160 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:14:20,160 INFO L432 NwaCegarLoop]: 3087 mSDtfsCounter, 3222 mSDsluCounter, 3103 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3232 SdHoareTripleChecker+Valid, 6190 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:20,160 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3232 Valid, 6190 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:14:20,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:14:20,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:14:20,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.4819115676641357) internal successors, (3318), 2239 states have internal predecessors, (3318), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:14:20,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3338 transitions. [2024-11-13 13:14:20,191 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3338 transitions. Word has length 620 [2024-11-13 13:14:20,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:20,192 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3338 transitions. [2024-11-13 13:14:20,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 114.6) internal successors, (573), 5 states have internal predecessors, (573), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:20,192 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3338 transitions. [2024-11-13 13:14:20,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2024-11-13 13:14:20,196 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:20,196 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:20,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-13 13:14:20,196 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:14:20,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:20,197 INFO L85 PathProgramCache]: Analyzing trace with hash 177524989, now seen corresponding path program 1 times [2024-11-13 13:14:20,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:20,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246584777] [2024-11-13 13:14:20,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:20,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:21,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:14:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:21,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:14:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:21,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:14:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:21,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:14:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:21,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:14:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:21,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:14:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:21,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:14:21,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:21,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:14:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:21,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:14:21,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:21,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:14:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:21,205 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:14:21,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:21,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246584777] [2024-11-13 13:14:21,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246584777] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:21,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:21,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:14:21,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285195818] [2024-11-13 13:14:21,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:21,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:14:21,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:21,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:14:21,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:14:21,207 INFO L87 Difference]: Start difference. First operand 2251 states and 3338 transitions. Second operand has 5 states, 5 states have (on average 114.8) internal successors, (574), 5 states have internal predecessors, (574), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:21,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:21,673 INFO L93 Difference]: Finished difference Result 4048 states and 5996 transitions. [2024-11-13 13:14:21,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:14:21,673 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 114.8) internal successors, (574), 5 states have internal predecessors, (574), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 621 [2024-11-13 13:14:21,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:21,676 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:14:21,676 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:14:21,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:14:21,678 INFO L432 NwaCegarLoop]: 3087 mSDtfsCounter, 3218 mSDsluCounter, 3103 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3228 SdHoareTripleChecker+Valid, 6190 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:21,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3228 Valid, 6190 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:14:21,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:14:21,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:14:21,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.4814649397052255) internal successors, (3317), 2239 states have internal predecessors, (3317), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:14:21,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3337 transitions. [2024-11-13 13:14:21,706 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3337 transitions. Word has length 621 [2024-11-13 13:14:21,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:21,707 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3337 transitions. [2024-11-13 13:14:21,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 114.8) internal successors, (574), 5 states have internal predecessors, (574), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:21,707 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3337 transitions. [2024-11-13 13:14:21,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 623 [2024-11-13 13:14:21,710 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:21,710 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:21,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-13 13:14:21,711 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:14:21,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:21,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1305084189, now seen corresponding path program 1 times [2024-11-13 13:14:21,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:21,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307309022] [2024-11-13 13:14:21,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:21,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:23,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:14:23,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:23,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:14:23,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:23,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:14:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:23,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:14:23,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:23,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:14:23,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:23,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:14:23,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:23,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:14:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:23,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:14:23,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:23,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:14:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:23,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:14:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:23,095 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:14:23,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:23,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307309022] [2024-11-13 13:14:23,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307309022] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:23,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:23,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:14:23,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066726702] [2024-11-13 13:14:23,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:23,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:14:23,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:23,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:14:23,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:14:23,097 INFO L87 Difference]: Start difference. First operand 2251 states and 3337 transitions. Second operand has 5 states, 5 states have (on average 115.0) internal successors, (575), 5 states have internal predecessors, (575), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:23,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:23,567 INFO L93 Difference]: Finished difference Result 4048 states and 5994 transitions. [2024-11-13 13:14:23,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:14:23,567 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 115.0) internal successors, (575), 5 states have internal predecessors, (575), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 622 [2024-11-13 13:14:23,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:23,570 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:14:23,570 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:14:23,571 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:14:23,572 INFO L432 NwaCegarLoop]: 3087 mSDtfsCounter, 3214 mSDsluCounter, 3103 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3224 SdHoareTripleChecker+Valid, 6190 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:23,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3224 Valid, 6190 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:14:23,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:14:23,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:14:23,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.4810183117463154) internal successors, (3316), 2239 states have internal predecessors, (3316), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:14:23,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3336 transitions. [2024-11-13 13:14:23,597 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3336 transitions. Word has length 622 [2024-11-13 13:14:23,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:23,598 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3336 transitions. [2024-11-13 13:14:23,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 115.0) internal successors, (575), 5 states have internal predecessors, (575), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:23,598 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3336 transitions. [2024-11-13 13:14:23,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 624 [2024-11-13 13:14:23,601 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:23,601 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:23,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-13 13:14:23,601 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:14:23,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:23,602 INFO L85 PathProgramCache]: Analyzing trace with hash -640620380, now seen corresponding path program 1 times [2024-11-13 13:14:23,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:23,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331566099] [2024-11-13 13:14:23,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:23,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:24,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:14:24,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:24,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:14:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:24,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:14:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:24,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:14:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:24,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:14:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:24,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:14:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:24,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:14:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:24,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:14:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:24,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:14:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:24,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:14:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:24,780 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:14:24,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:24,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331566099] [2024-11-13 13:14:24,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331566099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:24,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:24,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:14:24,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423729168] [2024-11-13 13:14:24,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:24,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:14:24,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:24,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:14:24,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:14:24,782 INFO L87 Difference]: Start difference. First operand 2251 states and 3336 transitions. Second operand has 5 states, 5 states have (on average 115.2) internal successors, (576), 5 states have internal predecessors, (576), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:25,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:25,250 INFO L93 Difference]: Finished difference Result 4048 states and 5992 transitions. [2024-11-13 13:14:25,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:14:25,251 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 115.2) internal successors, (576), 5 states have internal predecessors, (576), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 623 [2024-11-13 13:14:25,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:25,253 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:14:25,253 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:14:25,254 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:14:25,255 INFO L432 NwaCegarLoop]: 3087 mSDtfsCounter, 3159 mSDsluCounter, 3103 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3169 SdHoareTripleChecker+Valid, 6190 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:25,255 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3169 Valid, 6190 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:14:25,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:14:25,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:14:25,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.480571683787405) internal successors, (3315), 2239 states have internal predecessors, (3315), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:14:25,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3335 transitions. [2024-11-13 13:14:25,280 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3335 transitions. Word has length 623 [2024-11-13 13:14:25,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:25,281 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3335 transitions. [2024-11-13 13:14:25,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 115.2) internal successors, (576), 5 states have internal predecessors, (576), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:25,281 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3335 transitions. [2024-11-13 13:14:25,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 625 [2024-11-13 13:14:25,286 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:25,286 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:25,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-13 13:14:25,286 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:14:25,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:25,287 INFO L85 PathProgramCache]: Analyzing trace with hash 204554181, now seen corresponding path program 1 times [2024-11-13 13:14:25,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:25,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705197661] [2024-11-13 13:14:25,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:25,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:25,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:26,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:14:26,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:26,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:14:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:26,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:14:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:26,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:14:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:26,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:14:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:26,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:14:26,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:26,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:14:26,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:26,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:14:26,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:26,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:14:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:26,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:14:26,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:26,768 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:14:26,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:26,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705197661] [2024-11-13 13:14:26,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705197661] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:26,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:26,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:14:26,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029703988] [2024-11-13 13:14:26,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:26,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:14:26,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:26,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:14:26,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:14:26,772 INFO L87 Difference]: Start difference. First operand 2251 states and 3335 transitions. Second operand has 5 states, 5 states have (on average 115.4) internal successors, (577), 5 states have internal predecessors, (577), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:27,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:27,373 INFO L93 Difference]: Finished difference Result 4048 states and 5990 transitions. [2024-11-13 13:14:27,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:14:27,373 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 115.4) internal successors, (577), 5 states have internal predecessors, (577), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 624 [2024-11-13 13:14:27,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:27,377 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:14:27,377 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:14:27,378 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:14:27,379 INFO L432 NwaCegarLoop]: 3087 mSDtfsCounter, 5949 mSDsluCounter, 3089 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5959 SdHoareTripleChecker+Valid, 6176 SdHoareTripleChecker+Invalid, 496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:27,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5959 Valid, 6176 Invalid, 496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:14:27,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:14:27,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:14:27,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.4801250558284949) internal successors, (3314), 2239 states have internal predecessors, (3314), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:14:27,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3334 transitions. [2024-11-13 13:14:27,411 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3334 transitions. Word has length 624 [2024-11-13 13:14:27,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:27,412 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3334 transitions. [2024-11-13 13:14:27,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 115.4) internal successors, (577), 5 states have internal predecessors, (577), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:27,412 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3334 transitions. [2024-11-13 13:14:27,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 626 [2024-11-13 13:14:27,416 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:27,417 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:27,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-13 13:14:27,417 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:14:27,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:27,417 INFO L85 PathProgramCache]: Analyzing trace with hash -430699075, now seen corresponding path program 1 times [2024-11-13 13:14:27,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:27,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015843166] [2024-11-13 13:14:27,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:27,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:28,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:28,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:14:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:28,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:14:28,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:28,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:14:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:28,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:14:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:28,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:14:28,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:28,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:14:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:28,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:14:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:28,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:14:28,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:28,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:14:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:28,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:14:28,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:28,950 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:14:28,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:28,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015843166] [2024-11-13 13:14:28,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015843166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:28,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:28,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:14:28,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215552470] [2024-11-13 13:14:28,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:28,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:14:28,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:28,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:14:28,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:14:28,952 INFO L87 Difference]: Start difference. First operand 2251 states and 3334 transitions. Second operand has 5 states, 5 states have (on average 115.6) internal successors, (578), 5 states have internal predecessors, (578), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:29,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:29,415 INFO L93 Difference]: Finished difference Result 4048 states and 5988 transitions. [2024-11-13 13:14:29,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:14:29,416 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 115.6) internal successors, (578), 5 states have internal predecessors, (578), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 625 [2024-11-13 13:14:29,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:29,420 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:14:29,420 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:14:29,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:14:29,423 INFO L432 NwaCegarLoop]: 3087 mSDtfsCounter, 5941 mSDsluCounter, 3089 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5951 SdHoareTripleChecker+Valid, 6176 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:29,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5951 Valid, 6176 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:14:29,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:14:29,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:14:29,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.4796784278695847) internal successors, (3313), 2239 states have internal predecessors, (3313), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:14:29,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3333 transitions. [2024-11-13 13:14:29,457 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3333 transitions. Word has length 625 [2024-11-13 13:14:29,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:29,457 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3333 transitions. [2024-11-13 13:14:29,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 115.6) internal successors, (578), 5 states have internal predecessors, (578), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:29,458 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3333 transitions. [2024-11-13 13:14:29,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2024-11-13 13:14:29,462 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:29,463 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:29,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-13 13:14:29,463 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:14:29,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:29,464 INFO L85 PathProgramCache]: Analyzing trace with hash 232860158, now seen corresponding path program 1 times [2024-11-13 13:14:29,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:29,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603052634] [2024-11-13 13:14:29,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:29,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:30,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:14:30,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:30,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:14:30,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:30,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:14:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:30,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:14:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:30,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:14:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:30,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:14:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:30,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:14:30,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:30,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:14:30,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:30,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:14:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:30,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:14:30,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:30,812 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:14:30,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:30,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603052634] [2024-11-13 13:14:30,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603052634] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:30,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:30,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:14:30,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430755856] [2024-11-13 13:14:30,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:30,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:14:30,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:30,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:14:30,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:14:30,815 INFO L87 Difference]: Start difference. First operand 2251 states and 3333 transitions. Second operand has 5 states, 5 states have (on average 115.8) internal successors, (579), 5 states have internal predecessors, (579), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:31,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:31,280 INFO L93 Difference]: Finished difference Result 4048 states and 5986 transitions. [2024-11-13 13:14:31,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:14:31,280 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 115.8) internal successors, (579), 5 states have internal predecessors, (579), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 626 [2024-11-13 13:14:31,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:31,283 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:14:31,283 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:14:31,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:14:31,285 INFO L432 NwaCegarLoop]: 3087 mSDtfsCounter, 3147 mSDsluCounter, 3103 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3157 SdHoareTripleChecker+Valid, 6190 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:31,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3157 Valid, 6190 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:14:31,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:14:31,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:14:31,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.4792317999106743) internal successors, (3312), 2239 states have internal predecessors, (3312), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:14:31,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3332 transitions. [2024-11-13 13:14:31,313 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3332 transitions. Word has length 626 [2024-11-13 13:14:31,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:31,314 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3332 transitions. [2024-11-13 13:14:31,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 115.8) internal successors, (579), 5 states have internal predecessors, (579), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:31,314 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3332 transitions. [2024-11-13 13:14:31,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 628 [2024-11-13 13:14:31,319 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:31,319 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:31,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-13 13:14:31,319 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:14:31,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:31,320 INFO L85 PathProgramCache]: Analyzing trace with hash 958479190, now seen corresponding path program 1 times [2024-11-13 13:14:31,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:31,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416883933] [2024-11-13 13:14:31,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:31,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:32,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:14:32,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:32,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:14:32,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:32,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:14:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:32,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:14:32,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:32,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:14:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:32,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:14:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:32,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:14:32,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:32,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:14:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:32,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:14:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:32,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:14:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:32,790 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:14:32,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:32,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416883933] [2024-11-13 13:14:32,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416883933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:32,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:32,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:14:32,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640264440] [2024-11-13 13:14:32,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:32,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:14:32,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:32,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:14:32,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:14:32,793 INFO L87 Difference]: Start difference. First operand 2251 states and 3332 transitions. Second operand has 5 states, 5 states have (on average 116.0) internal successors, (580), 5 states have internal predecessors, (580), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:33,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:33,243 INFO L93 Difference]: Finished difference Result 4048 states and 5984 transitions. [2024-11-13 13:14:33,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:14:33,244 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 116.0) internal successors, (580), 5 states have internal predecessors, (580), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 627 [2024-11-13 13:14:33,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:33,246 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:14:33,247 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:14:33,248 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:14:33,249 INFO L432 NwaCegarLoop]: 3087 mSDtfsCounter, 3143 mSDsluCounter, 3103 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3153 SdHoareTripleChecker+Valid, 6190 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:33,249 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3153 Valid, 6190 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:14:33,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:14:33,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:14:33,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.4787851719517642) internal successors, (3311), 2239 states have internal predecessors, (3311), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:14:33,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3331 transitions. [2024-11-13 13:14:33,279 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3331 transitions. Word has length 627 [2024-11-13 13:14:33,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:33,283 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3331 transitions. [2024-11-13 13:14:33,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 116.0) internal successors, (580), 5 states have internal predecessors, (580), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:33,284 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3331 transitions. [2024-11-13 13:14:33,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 629 [2024-11-13 13:14:33,288 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:33,288 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:33,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-13 13:14:33,289 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:14:33,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:33,289 INFO L85 PathProgramCache]: Analyzing trace with hash -2114321225, now seen corresponding path program 1 times [2024-11-13 13:14:33,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:33,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633381374] [2024-11-13 13:14:33,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:33,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:34,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:14:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:34,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:14:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:34,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:14:34,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:34,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:14:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:34,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:14:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:34,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:14:34,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:34,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:14:34,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:34,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:14:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:34,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:14:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:34,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:14:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:34,795 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:14:34,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:34,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633381374] [2024-11-13 13:14:34,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633381374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:34,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:34,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:14:34,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099544305] [2024-11-13 13:14:34,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:34,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:14:34,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:34,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:14:34,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:14:34,797 INFO L87 Difference]: Start difference. First operand 2251 states and 3331 transitions. Second operand has 5 states, 5 states have (on average 116.2) internal successors, (581), 5 states have internal predecessors, (581), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:35,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:35,276 INFO L93 Difference]: Finished difference Result 4048 states and 5982 transitions. [2024-11-13 13:14:35,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:14:35,277 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 116.2) internal successors, (581), 5 states have internal predecessors, (581), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 628 [2024-11-13 13:14:35,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:35,279 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:14:35,279 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:14:35,281 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:14:35,281 INFO L432 NwaCegarLoop]: 3087 mSDtfsCounter, 5917 mSDsluCounter, 3089 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5927 SdHoareTripleChecker+Valid, 6176 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:35,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5927 Valid, 6176 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:14:35,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:14:35,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:14:35,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.478338543992854) internal successors, (3310), 2239 states have internal predecessors, (3310), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:14:35,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3330 transitions. [2024-11-13 13:14:35,303 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3330 transitions. Word has length 628 [2024-11-13 13:14:35,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:35,304 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3330 transitions. [2024-11-13 13:14:35,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 116.2) internal successors, (581), 5 states have internal predecessors, (581), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:35,304 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3330 transitions. [2024-11-13 13:14:35,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 630 [2024-11-13 13:14:35,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:35,307 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:35,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-13 13:14:35,307 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:14:35,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:35,308 INFO L85 PathProgramCache]: Analyzing trace with hash 729526639, now seen corresponding path program 1 times [2024-11-13 13:14:35,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:35,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971352147] [2024-11-13 13:14:35,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:35,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:35,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:36,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:14:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:36,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:14:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:36,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:14:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:36,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:14:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:36,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:14:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:36,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:14:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:36,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:14:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:36,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:14:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:36,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:14:36,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:36,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:14:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:36,715 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:14:36,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:36,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971352147] [2024-11-13 13:14:36,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971352147] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:36,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:36,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:14:36,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188043272] [2024-11-13 13:14:36,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:36,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:14:36,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:36,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:14:36,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:14:36,718 INFO L87 Difference]: Start difference. First operand 2251 states and 3330 transitions. Second operand has 5 states, 5 states have (on average 116.4) internal successors, (582), 5 states have internal predecessors, (582), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:37,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:37,205 INFO L93 Difference]: Finished difference Result 4048 states and 5980 transitions. [2024-11-13 13:14:37,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:14:37,205 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 116.4) internal successors, (582), 5 states have internal predecessors, (582), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 629 [2024-11-13 13:14:37,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:37,208 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:14:37,208 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:14:37,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:14:37,210 INFO L432 NwaCegarLoop]: 3087 mSDtfsCounter, 3135 mSDsluCounter, 3103 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3145 SdHoareTripleChecker+Valid, 6190 SdHoareTripleChecker+Invalid, 486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:37,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3145 Valid, 6190 Invalid, 486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 485 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:14:37,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:14:37,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:14:37,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.4778919160339437) internal successors, (3309), 2239 states have internal predecessors, (3309), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:14:37,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3329 transitions. [2024-11-13 13:14:37,232 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3329 transitions. Word has length 629 [2024-11-13 13:14:37,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:37,232 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3329 transitions. [2024-11-13 13:14:37,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 116.4) internal successors, (582), 5 states have internal predecessors, (582), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:37,233 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3329 transitions. [2024-11-13 13:14:37,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 631 [2024-11-13 13:14:37,235 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:37,235 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:37,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-13 13:14:37,236 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:14:37,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:37,236 INFO L85 PathProgramCache]: Analyzing trace with hash -2030235664, now seen corresponding path program 1 times [2024-11-13 13:14:37,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:37,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060968732] [2024-11-13 13:14:37,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:37,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:37,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:38,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:14:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:38,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:14:38,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:38,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:14:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:38,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:14:38,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:38,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:14:38,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:38,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:14:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:38,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:14:38,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:38,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:14:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:38,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:14:38,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:38,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:14:38,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:38,637 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:14:38,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:38,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060968732] [2024-11-13 13:14:38,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060968732] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:38,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:38,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:14:38,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665865193] [2024-11-13 13:14:38,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:38,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:14:38,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:38,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:14:38,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:14:38,639 INFO L87 Difference]: Start difference. First operand 2251 states and 3329 transitions. Second operand has 5 states, 5 states have (on average 116.6) internal successors, (583), 5 states have internal predecessors, (583), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:39,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:39,112 INFO L93 Difference]: Finished difference Result 4048 states and 5978 transitions. [2024-11-13 13:14:39,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:14:39,112 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 116.6) internal successors, (583), 5 states have internal predecessors, (583), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 630 [2024-11-13 13:14:39,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:39,115 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:14:39,115 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:14:39,116 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:14:39,117 INFO L432 NwaCegarLoop]: 3087 mSDtfsCounter, 5901 mSDsluCounter, 3089 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5911 SdHoareTripleChecker+Valid, 6176 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:39,117 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5911 Valid, 6176 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:14:39,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:14:39,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:14:39,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.4774452880750335) internal successors, (3308), 2239 states have internal predecessors, (3308), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:14:39,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3328 transitions. [2024-11-13 13:14:39,137 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3328 transitions. Word has length 630 [2024-11-13 13:14:39,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:39,137 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3328 transitions. [2024-11-13 13:14:39,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 116.6) internal successors, (583), 5 states have internal predecessors, (583), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:39,138 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3328 transitions. [2024-11-13 13:14:39,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 632 [2024-11-13 13:14:39,140 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:39,140 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:39,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-13 13:14:39,141 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:14:39,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:39,141 INFO L85 PathProgramCache]: Analyzing trace with hash -343494648, now seen corresponding path program 1 times [2024-11-13 13:14:39,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:39,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264374825] [2024-11-13 13:14:39,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:39,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:39,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:41,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:14:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:41,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:14:41,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:41,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:14:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:41,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:14:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:41,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:14:41,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:41,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:14:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:41,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:14:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:41,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:14:41,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:41,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:14:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:41,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:14:41,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:41,258 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:14:41,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:41,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264374825] [2024-11-13 13:14:41,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264374825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:41,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:41,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:14:41,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113038749] [2024-11-13 13:14:41,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:41,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:14:41,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:41,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:14:41,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:14:41,261 INFO L87 Difference]: Start difference. First operand 2251 states and 3328 transitions. Second operand has 4 states, 4 states have (on average 146.0) internal successors, (584), 4 states have internal predecessors, (584), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:41,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:41,464 INFO L93 Difference]: Finished difference Result 4048 states and 5976 transitions. [2024-11-13 13:14:41,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:14:41,465 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 146.0) internal successors, (584), 4 states have internal predecessors, (584), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 631 [2024-11-13 13:14:41,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:41,467 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:14:41,467 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:14:41,469 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 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 13:14:41,469 INFO L432 NwaCegarLoop]: 3237 mSDtfsCounter, 2807 mSDsluCounter, 3239 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2807 SdHoareTripleChecker+Valid, 6476 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:41,469 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2807 Valid, 6476 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:14:41,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:14:41,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:14:41,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.476552032157213) internal successors, (3306), 2239 states have internal predecessors, (3306), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:14:41,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3326 transitions. [2024-11-13 13:14:41,495 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3326 transitions. Word has length 631 [2024-11-13 13:14:41,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:41,496 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3326 transitions. [2024-11-13 13:14:41,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 146.0) internal successors, (584), 4 states have internal predecessors, (584), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:41,496 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3326 transitions. [2024-11-13 13:14:41,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 634 [2024-11-13 13:14:41,501 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:41,501 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:41,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-13 13:14:41,502 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:14:41,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:41,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1023205947, now seen corresponding path program 1 times [2024-11-13 13:14:41,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:41,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114244817] [2024-11-13 13:14:41,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:41,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:43,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:14:43,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:43,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:14:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:43,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:14:43,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:43,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:14:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:43,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:14:43,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:43,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:14:43,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:43,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:14:43,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:43,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:14:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:43,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:14:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:43,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:14:43,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:43,176 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:14:43,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:43,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114244817] [2024-11-13 13:14:43,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114244817] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:43,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:43,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:14:43,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801967604] [2024-11-13 13:14:43,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:43,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:14:43,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:43,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:14:43,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:14:43,178 INFO L87 Difference]: Start difference. First operand 2251 states and 3326 transitions. Second operand has 5 states, 5 states have (on average 117.2) internal successors, (586), 5 states have internal predecessors, (586), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:43,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:43,393 INFO L93 Difference]: Finished difference Result 4284 states and 6299 transitions. [2024-11-13 13:14:43,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:14:43,394 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 117.2) internal successors, (586), 5 states have internal predecessors, (586), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 633 [2024-11-13 13:14:43,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:43,397 INFO L225 Difference]: With dead ends: 4284 [2024-11-13 13:14:43,397 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:14:43,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 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 13:14:43,399 INFO L432 NwaCegarLoop]: 3305 mSDtfsCounter, 3450 mSDsluCounter, 6553 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3450 SdHoareTripleChecker+Valid, 9858 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:43,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3450 Valid, 9858 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:14:43,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:14:43,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:14:43,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.4761054041983028) internal successors, (3305), 2239 states have internal predecessors, (3305), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:14:43,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3325 transitions. [2024-11-13 13:14:43,421 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3325 transitions. Word has length 633 [2024-11-13 13:14:43,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:43,421 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3325 transitions. [2024-11-13 13:14:43,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 117.2) internal successors, (586), 5 states have internal predecessors, (586), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:43,421 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3325 transitions. [2024-11-13 13:14:43,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 635 [2024-11-13 13:14:43,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:43,424 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:43,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-13 13:14:43,424 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:14:43,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:43,425 INFO L85 PathProgramCache]: Analyzing trace with hash -104602732, now seen corresponding path program 1 times [2024-11-13 13:14:43,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:43,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126611767] [2024-11-13 13:14:43,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:43,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:44,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:45,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:14:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:45,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:14:45,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:45,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:14:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:45,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:14:45,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:45,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:14:45,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:45,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:14:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:45,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:14:45,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:45,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:14:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:45,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:14:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:45,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:14:45,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:45,036 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:14:45,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:45,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126611767] [2024-11-13 13:14:45,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126611767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:45,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:45,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:14:45,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296497605] [2024-11-13 13:14:45,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:45,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:14:45,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:45,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:14:45,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:14:45,038 INFO L87 Difference]: Start difference. First operand 2251 states and 3325 transitions. Second operand has 5 states, 5 states have (on average 117.4) internal successors, (587), 5 states have internal predecessors, (587), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:45,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:45,256 INFO L93 Difference]: Finished difference Result 4048 states and 5970 transitions. [2024-11-13 13:14:45,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:14:45,257 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 117.4) internal successors, (587), 5 states have internal predecessors, (587), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 634 [2024-11-13 13:14:45,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:45,260 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:14:45,260 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:14:45,262 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:14:45,262 INFO L432 NwaCegarLoop]: 3238 mSDtfsCounter, 6245 mSDsluCounter, 3240 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6255 SdHoareTripleChecker+Valid, 6478 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:45,263 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6255 Valid, 6478 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:14:45,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:14:45,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:14:45,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.4756587762393927) internal successors, (3304), 2239 states have internal predecessors, (3304), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:14:45,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3324 transitions. [2024-11-13 13:14:45,293 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3324 transitions. Word has length 634 [2024-11-13 13:14:45,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:45,294 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3324 transitions. [2024-11-13 13:14:45,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 117.4) internal successors, (587), 5 states have internal predecessors, (587), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:45,294 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3324 transitions. [2024-11-13 13:14:45,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2024-11-13 13:14:45,299 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:45,299 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:45,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-13 13:14:45,300 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:14:45,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:45,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1996336482, now seen corresponding path program 1 times [2024-11-13 13:14:45,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:45,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953561200] [2024-11-13 13:14:45,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:45,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:45,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:46,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:14:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:46,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:14:46,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:46,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:14:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:46,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:14:46,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:46,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:14:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:46,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:14:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:46,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:14:46,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:46,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:14:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:46,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:14:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:46,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:14:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:46,857 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:14:46,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:46,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953561200] [2024-11-13 13:14:46,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953561200] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:46,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:46,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:14:46,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421849613] [2024-11-13 13:14:46,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:46,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:14:46,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:46,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:14:46,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:14:46,859 INFO L87 Difference]: Start difference. First operand 2251 states and 3324 transitions. Second operand has 5 states, 5 states have (on average 117.6) internal successors, (588), 5 states have internal predecessors, (588), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:47,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:47,066 INFO L93 Difference]: Finished difference Result 4048 states and 5968 transitions. [2024-11-13 13:14:47,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:14:47,066 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 117.6) internal successors, (588), 5 states have internal predecessors, (588), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 635 [2024-11-13 13:14:47,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:47,068 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:14:47,068 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:14:47,070 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:14:47,070 INFO L432 NwaCegarLoop]: 3237 mSDtfsCounter, 3220 mSDsluCounter, 3253 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3230 SdHoareTripleChecker+Valid, 6490 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:47,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3230 Valid, 6490 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:14:47,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:14:47,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:14:47,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.4752121482804823) internal successors, (3303), 2239 states have internal predecessors, (3303), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:14:47,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3323 transitions. [2024-11-13 13:14:47,101 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3323 transitions. Word has length 635 [2024-11-13 13:14:47,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:47,102 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3323 transitions. [2024-11-13 13:14:47,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 117.6) internal successors, (588), 5 states have internal predecessors, (588), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:47,102 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3323 transitions. [2024-11-13 13:14:47,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 637 [2024-11-13 13:14:47,107 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:47,107 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:47,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-13 13:14:47,107 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:14:47,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:47,108 INFO L85 PathProgramCache]: Analyzing trace with hash -892065596, now seen corresponding path program 1 times [2024-11-13 13:14:47,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:47,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546164970] [2024-11-13 13:14:47,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:47,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:47,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:48,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:14:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:48,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:14:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:48,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:14:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:48,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:14:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:48,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:14:48,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:48,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:14:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:48,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:14:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:48,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:14:48,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:48,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:14:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:48,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:14:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:48,754 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:14:48,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:48,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546164970] [2024-11-13 13:14:48,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546164970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:48,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:48,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:14:48,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895156708] [2024-11-13 13:14:48,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:48,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:14:48,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:48,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:14:48,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:14:48,757 INFO L87 Difference]: Start difference. First operand 2251 states and 3323 transitions. Second operand has 5 states, 5 states have (on average 117.8) internal successors, (589), 5 states have internal predecessors, (589), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:48,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:48,970 INFO L93 Difference]: Finished difference Result 4048 states and 5966 transitions. [2024-11-13 13:14:48,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:14:48,970 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 117.8) internal successors, (589), 5 states have internal predecessors, (589), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 636 [2024-11-13 13:14:48,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:48,972 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:14:48,972 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:14:48,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:14:48,974 INFO L432 NwaCegarLoop]: 3238 mSDtfsCounter, 3216 mSDsluCounter, 3254 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3226 SdHoareTripleChecker+Valid, 6492 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:48,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3226 Valid, 6492 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:14:48,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:14:48,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:14:48,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.4747655203215722) internal successors, (3302), 2239 states have internal predecessors, (3302), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:14:48,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3322 transitions. [2024-11-13 13:14:48,996 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3322 transitions. Word has length 636 [2024-11-13 13:14:48,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:48,996 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3322 transitions. [2024-11-13 13:14:48,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 117.8) internal successors, (589), 5 states have internal predecessors, (589), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:48,996 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3322 transitions. [2024-11-13 13:14:48,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 638 [2024-11-13 13:14:48,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:49,000 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:49,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-13 13:14:49,000 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:14:49,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:49,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1702988283, now seen corresponding path program 1 times [2024-11-13 13:14:49,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:49,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86321612] [2024-11-13 13:14:49,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:49,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:49,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:50,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:14:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:50,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:14:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:50,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:14:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:50,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:14:50,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:50,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:14:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:50,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:14:50,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:50,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:14:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:50,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:14:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:50,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:14:50,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:50,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:14:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:50,607 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:14:50,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:50,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86321612] [2024-11-13 13:14:50,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86321612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:50,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:50,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:14:50,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921735560] [2024-11-13 13:14:50,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:50,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:14:50,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:50,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:14:50,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:14:50,609 INFO L87 Difference]: Start difference. First operand 2251 states and 3322 transitions. Second operand has 5 states, 5 states have (on average 118.0) internal successors, (590), 5 states have internal predecessors, (590), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:50,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:50,802 INFO L93 Difference]: Finished difference Result 4048 states and 5964 transitions. [2024-11-13 13:14:50,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:14:50,802 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 118.0) internal successors, (590), 5 states have internal predecessors, (590), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 637 [2024-11-13 13:14:50,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:50,805 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:14:50,805 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:14:50,806 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:14:50,806 INFO L432 NwaCegarLoop]: 3238 mSDtfsCounter, 3137 mSDsluCounter, 3254 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3147 SdHoareTripleChecker+Valid, 6492 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:50,807 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3147 Valid, 6492 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:14:50,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:14:50,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:14:50,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.474318892362662) internal successors, (3301), 2239 states have internal predecessors, (3301), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:14:50,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3321 transitions. [2024-11-13 13:14:50,829 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3321 transitions. Word has length 637 [2024-11-13 13:14:50,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:50,829 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3321 transitions. [2024-11-13 13:14:50,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 118.0) internal successors, (590), 5 states have internal predecessors, (590), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:50,829 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3321 transitions. [2024-11-13 13:14:50,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 639 [2024-11-13 13:14:50,832 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:50,832 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:50,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-13 13:14:50,832 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:14:50,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:50,833 INFO L85 PathProgramCache]: Analyzing trace with hash 2054132947, now seen corresponding path program 1 times [2024-11-13 13:14:50,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:50,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151761704] [2024-11-13 13:14:50,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:50,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:51,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:53,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:14:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:53,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:14:53,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:53,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:14:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:53,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:14:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:53,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:14:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:53,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:14:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:53,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:14:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:53,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:14:53,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:53,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:14:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:53,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:14:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:53,135 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:14:53,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:53,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151761704] [2024-11-13 13:14:53,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151761704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:53,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:53,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:14:53,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224357478] [2024-11-13 13:14:53,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:53,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:14:53,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:53,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:14:53,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:14:53,137 INFO L87 Difference]: Start difference. First operand 2251 states and 3321 transitions. Second operand has 4 states, 4 states have (on average 147.75) internal successors, (591), 4 states have internal predecessors, (591), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:53,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:53,324 INFO L93 Difference]: Finished difference Result 4048 states and 5962 transitions. [2024-11-13 13:14:53,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:14:53,325 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 147.75) internal successors, (591), 4 states have internal predecessors, (591), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 638 [2024-11-13 13:14:53,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:53,327 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:14:53,327 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:14:53,329 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 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 13:14:53,329 INFO L432 NwaCegarLoop]: 3237 mSDtfsCounter, 2950 mSDsluCounter, 3239 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2950 SdHoareTripleChecker+Valid, 6476 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:53,329 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2950 Valid, 6476 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:14:53,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:14:53,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:14:53,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.4738722644037516) internal successors, (3300), 2239 states have internal predecessors, (3300), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:14:53,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3320 transitions. [2024-11-13 13:14:53,360 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3320 transitions. Word has length 638 [2024-11-13 13:14:53,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:53,361 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3320 transitions. [2024-11-13 13:14:53,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 147.75) internal successors, (591), 4 states have internal predecessors, (591), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:53,361 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3320 transitions. [2024-11-13 13:14:53,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 640 [2024-11-13 13:14:53,366 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:53,366 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:53,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-11-13 13:14:53,367 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:14:53,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:53,367 INFO L85 PathProgramCache]: Analyzing trace with hash 878039745, now seen corresponding path program 1 times [2024-11-13 13:14:53,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:53,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941457131] [2024-11-13 13:14:53,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:53,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:54,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:56,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:14:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:56,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:14:56,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:56,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:14:56,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:56,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:14:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:56,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:14:56,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:56,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:14:56,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:56,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:14:56,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:56,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:14:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:56,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:14:56,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:56,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:14:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:56,319 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:14:56,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:56,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941457131] [2024-11-13 13:14:56,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941457131] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:56,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:56,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:14:56,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81689109] [2024-11-13 13:14:56,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:56,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:14:56,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:56,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:14:56,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:14:56,321 INFO L87 Difference]: Start difference. First operand 2251 states and 3320 transitions. Second operand has 4 states, 4 states have (on average 148.0) internal successors, (592), 4 states have internal predecessors, (592), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:56,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:56,529 INFO L93 Difference]: Finished difference Result 4048 states and 5960 transitions. [2024-11-13 13:14:56,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:14:56,529 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 148.0) internal successors, (592), 4 states have internal predecessors, (592), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 639 [2024-11-13 13:14:56,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:56,532 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:14:56,532 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:14:56,534 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 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 13:14:56,534 INFO L432 NwaCegarLoop]: 3237 mSDtfsCounter, 2871 mSDsluCounter, 3239 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2871 SdHoareTripleChecker+Valid, 6476 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:56,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2871 Valid, 6476 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:14:56,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:14:56,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:14:56,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.4734256364448415) internal successors, (3299), 2239 states have internal predecessors, (3299), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:14:56,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3319 transitions. [2024-11-13 13:14:56,559 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3319 transitions. Word has length 639 [2024-11-13 13:14:56,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:56,560 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3319 transitions. [2024-11-13 13:14:56,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 148.0) internal successors, (592), 4 states have internal predecessors, (592), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:14:56,560 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3319 transitions. [2024-11-13 13:14:56,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 641 [2024-11-13 13:14:56,563 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:56,564 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:56,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-11-13 13:14:56,564 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:14:56,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:56,565 INFO L85 PathProgramCache]: Analyzing trace with hash -750448830, now seen corresponding path program 1 times [2024-11-13 13:14:56,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:56,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89484655] [2024-11-13 13:14:56,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:56,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:00,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:15:00,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:00,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:15:00,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:00,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:15:00,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:00,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:15:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:00,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:15:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:00,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:15:00,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:00,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:15:00,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:00,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:15:00,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:00,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:15:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:00,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:15:00,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:00,584 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:15:00,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:15:00,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89484655] [2024-11-13 13:15:00,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89484655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:15:00,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:15:00,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:15:00,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270865296] [2024-11-13 13:15:00,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:15:00,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:15:00,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:15:00,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:15:00,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:15:00,592 INFO L87 Difference]: Start difference. First operand 2251 states and 3319 transitions. Second operand has 5 states, 5 states have (on average 118.6) internal successors, (593), 5 states have internal predecessors, (593), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:15:01,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:15:01,261 INFO L93 Difference]: Finished difference Result 4048 states and 5958 transitions. [2024-11-13 13:15:01,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:15:01,262 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 118.6) internal successors, (593), 5 states have internal predecessors, (593), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 640 [2024-11-13 13:15:01,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:15:01,265 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:15:01,265 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:15:01,267 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:15:01,267 INFO L432 NwaCegarLoop]: 3078 mSDtfsCounter, 2930 mSDsluCounter, 6146 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2930 SdHoareTripleChecker+Valid, 9224 SdHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:15:01,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2930 Valid, 9224 Invalid, 726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 13:15:01,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:15:01,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:15:01,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.4729790084859313) internal successors, (3298), 2239 states have internal predecessors, (3298), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:15:01,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3318 transitions. [2024-11-13 13:15:01,293 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3318 transitions. Word has length 640 [2024-11-13 13:15:01,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:15:01,294 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3318 transitions. [2024-11-13 13:15:01,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 118.6) internal successors, (593), 5 states have internal predecessors, (593), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:15:01,294 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3318 transitions. [2024-11-13 13:15:01,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 642 [2024-11-13 13:15:01,297 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:15:01,297 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:15:01,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-11-13 13:15:01,298 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:15:01,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:15:01,298 INFO L85 PathProgramCache]: Analyzing trace with hash -173979504, now seen corresponding path program 1 times [2024-11-13 13:15:01,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:15:01,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33001584] [2024-11-13 13:15:01,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:15:01,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:15:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:04,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:15:04,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:04,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:15:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:04,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:15:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:04,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:15:04,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:04,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:15:04,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:04,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:15:04,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:04,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:15:04,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:04,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:15:04,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:04,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:15:04,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:04,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:15:04,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:04,368 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:15:04,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:15:04,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33001584] [2024-11-13 13:15:04,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33001584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:15:04,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:15:04,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:15:04,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313648565] [2024-11-13 13:15:04,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:15:04,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:15:04,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:15:04,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:15:04,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:15:04,371 INFO L87 Difference]: Start difference. First operand 2251 states and 3318 transitions. Second operand has 5 states, 5 states have (on average 118.8) internal successors, (594), 5 states have internal predecessors, (594), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:15:04,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:15:04,926 INFO L93 Difference]: Finished difference Result 4048 states and 5956 transitions. [2024-11-13 13:15:04,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:15:04,927 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 118.8) internal successors, (594), 5 states have internal predecessors, (594), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 641 [2024-11-13 13:15:04,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:15:04,931 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:15:04,931 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:15:04,933 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:15:04,933 INFO L432 NwaCegarLoop]: 3078 mSDtfsCounter, 5850 mSDsluCounter, 3080 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5850 SdHoareTripleChecker+Valid, 6158 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:15:04,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5850 Valid, 6158 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:15:04,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:15:04,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:15:04,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.472532380527021) internal successors, (3297), 2239 states have internal predecessors, (3297), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:15:04,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3317 transitions. [2024-11-13 13:15:04,966 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3317 transitions. Word has length 641 [2024-11-13 13:15:04,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:15:04,967 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3317 transitions. [2024-11-13 13:15:04,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 118.8) internal successors, (594), 5 states have internal predecessors, (594), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:15:04,969 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3317 transitions. [2024-11-13 13:15:04,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 643 [2024-11-13 13:15:04,972 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:15:04,973 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:15:04,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-11-13 13:15:04,973 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:15:04,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:15:04,974 INFO L85 PathProgramCache]: Analyzing trace with hash -2108703677, now seen corresponding path program 1 times [2024-11-13 13:15:04,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:15:04,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32951291] [2024-11-13 13:15:04,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:15:04,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:15:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:07,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:15:07,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:07,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:15:07,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:07,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:15:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:07,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:15:07,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:07,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:15:07,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:07,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:15:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:07,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:15:07,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:07,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:15:07,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:07,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:15:07,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:07,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:15:07,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:07,794 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:15:07,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:15:07,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32951291] [2024-11-13 13:15:07,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32951291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:15:07,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:15:07,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:15:07,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422114299] [2024-11-13 13:15:07,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:15:07,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:15:07,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:15:07,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:15:07,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:15:07,797 INFO L87 Difference]: Start difference. First operand 2251 states and 3317 transitions. Second operand has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:15:08,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:15:08,313 INFO L93 Difference]: Finished difference Result 4048 states and 5954 transitions. [2024-11-13 13:15:08,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:15:08,314 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 642 [2024-11-13 13:15:08,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:15:08,316 INFO L225 Difference]: With dead ends: 4048 [2024-11-13 13:15:08,316 INFO L226 Difference]: Without dead ends: 2251 [2024-11-13 13:15:08,318 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:15:08,318 INFO L432 NwaCegarLoop]: 3078 mSDtfsCounter, 2926 mSDsluCounter, 3094 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2926 SdHoareTripleChecker+Valid, 6172 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:15:08,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2926 Valid, 6172 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:15:08,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-11-13 13:15:08,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2251. [2024-11-13 13:15:08,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2239 states have (on average 1.4720857525681108) internal successors, (3296), 2239 states have internal predecessors, (3296), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:15:08,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3316 transitions. [2024-11-13 13:15:08,350 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3316 transitions. Word has length 642 [2024-11-13 13:15:08,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:15:08,350 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3316 transitions. [2024-11-13 13:15:08,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:15:08,351 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3316 transitions. [2024-11-13 13:15:08,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 644 [2024-11-13 13:15:08,355 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:15:08,356 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:15:08,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-11-13 13:15:08,356 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:15:08,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:15:08,357 INFO L85 PathProgramCache]: Analyzing trace with hash 991423311, now seen corresponding path program 1 times [2024-11-13 13:15:08,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:15:08,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986951014] [2024-11-13 13:15:08,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:15:08,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:15:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:12,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:15:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:12,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:15:12,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:12,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:15:12,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:12,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:15:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:12,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:15:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:12,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:15:12,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:12,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:15:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:12,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:15:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:12,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:15:12,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:12,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:15:12,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:12,179 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:15:12,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:15:12,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986951014] [2024-11-13 13:15:12,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986951014] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:15:12,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:15:12,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:15:12,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548825881] [2024-11-13 13:15:12,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:15:12,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:15:12,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:15:12,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:15:12,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:15:12,182 INFO L87 Difference]: Start difference. First operand 2251 states and 3316 transitions. Second operand has 5 states, 5 states have (on average 119.2) internal successors, (596), 5 states have internal predecessors, (596), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 13:15:13,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:15:13,881 INFO L93 Difference]: Finished difference Result 4052 states and 5958 transitions. [2024-11-13 13:15:13,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:15:13,882 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 119.2) internal successors, (596), 5 states have internal predecessors, (596), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 643 [2024-11-13 13:15:13,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:15:13,886 INFO L225 Difference]: With dead ends: 4052 [2024-11-13 13:15:13,886 INFO L226 Difference]: Without dead ends: 2255 [2024-11-13 13:15:13,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 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 13:15:13,889 INFO L432 NwaCegarLoop]: 2530 mSDtfsCounter, 3225 mSDsluCounter, 5046 mSDsCounter, 0 mSdLazyCounter, 2373 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3229 SdHoareTripleChecker+Valid, 7576 SdHoareTripleChecker+Invalid, 2374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:15:13,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3229 Valid, 7576 Invalid, 2374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2373 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-13 13:15:13,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2255 states. [2024-11-13 13:15:13,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2255 to 2253. [2024-11-13 13:15:13,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 2241 states have (on average 1.4716644355198572) internal successors, (3298), 2241 states have internal predecessors, (3298), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:15:13,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 3318 transitions. [2024-11-13 13:15:13,923 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 3318 transitions. Word has length 643 [2024-11-13 13:15:13,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:15:13,924 INFO L471 AbstractCegarLoop]: Abstraction has 2253 states and 3318 transitions. [2024-11-13 13:15:13,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 119.2) internal successors, (596), 5 states have internal predecessors, (596), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 13:15:13,924 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 3318 transitions. [2024-11-13 13:15:13,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 645 [2024-11-13 13:15:13,929 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:15:13,929 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:15:13,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-11-13 13:15:13,930 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:15:13,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:15:13,930 INFO L85 PathProgramCache]: Analyzing trace with hash -51701506, now seen corresponding path program 1 times [2024-11-13 13:15:13,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:15:13,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100642723] [2024-11-13 13:15:13,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:15:13,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:15:15,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:16,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:15:16,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:16,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:15:16,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:16,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:15:16,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:16,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:15:16,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:16,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:15:16,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:16,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:15:16,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:16,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:15:16,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:16,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:15:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:16,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:15:16,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:16,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:15:16,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:16,325 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:15:16,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:15:16,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100642723] [2024-11-13 13:15:16,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100642723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:15:16,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:15:16,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:15:16,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611051719] [2024-11-13 13:15:16,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:15:16,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:15:16,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:15:16,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:15:16,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:15:16,327 INFO L87 Difference]: Start difference. First operand 2253 states and 3318 transitions. Second operand has 5 states, 5 states have (on average 119.4) internal successors, (597), 5 states have internal predecessors, (597), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:15:16,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:15:16,838 INFO L93 Difference]: Finished difference Result 4052 states and 5956 transitions. [2024-11-13 13:15:16,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:15:16,838 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 119.4) internal successors, (597), 5 states have internal predecessors, (597), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 644 [2024-11-13 13:15:16,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:15:16,842 INFO L225 Difference]: With dead ends: 4052 [2024-11-13 13:15:16,842 INFO L226 Difference]: Without dead ends: 2253 [2024-11-13 13:15:16,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:15:16,844 INFO L432 NwaCegarLoop]: 3078 mSDtfsCounter, 2924 mSDsluCounter, 3094 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2924 SdHoareTripleChecker+Valid, 6172 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:15:16,844 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2924 Valid, 6172 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:15:16,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2024-11-13 13:15:16,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2253. [2024-11-13 13:15:16,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 2241 states have (on average 1.4712182061579653) internal successors, (3297), 2241 states have internal predecessors, (3297), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:15:16,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 3317 transitions. [2024-11-13 13:15:16,883 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 3317 transitions. Word has length 644 [2024-11-13 13:15:16,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:15:16,884 INFO L471 AbstractCegarLoop]: Abstraction has 2253 states and 3317 transitions. [2024-11-13 13:15:16,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 119.4) internal successors, (597), 5 states have internal predecessors, (597), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:15:16,884 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 3317 transitions. [2024-11-13 13:15:16,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 646 [2024-11-13 13:15:16,888 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:15:16,888 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:15:16,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-11-13 13:15:16,888 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:15:16,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:15:16,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1273270795, now seen corresponding path program 1 times [2024-11-13 13:15:16,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:15:16,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50759267] [2024-11-13 13:15:16,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:15:16,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:15:18,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:19,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:15:19,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:19,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:15:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:19,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:15:19,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:19,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:15:19,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:19,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:15:19,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:19,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:15:19,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:19,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:15:19,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:19,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:15:19,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:19,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:15:19,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:19,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:15:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:19,943 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:15:19,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:15:19,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50759267] [2024-11-13 13:15:19,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50759267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:15:19,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:15:19,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:15:19,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568826778] [2024-11-13 13:15:19,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:15:19,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:15:19,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:15:19,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:15:19,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:15:19,946 INFO L87 Difference]: Start difference. First operand 2253 states and 3317 transitions. Second operand has 4 states, 4 states have (on average 149.5) internal successors, (598), 4 states have internal predecessors, (598), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:15:20,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:15:20,366 INFO L93 Difference]: Finished difference Result 4052 states and 5954 transitions. [2024-11-13 13:15:20,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:15:20,367 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 149.5) internal successors, (598), 4 states have internal predecessors, (598), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 645 [2024-11-13 13:15:20,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:15:20,369 INFO L225 Difference]: With dead ends: 4052 [2024-11-13 13:15:20,369 INFO L226 Difference]: Without dead ends: 2253 [2024-11-13 13:15:20,371 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 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 13:15:20,371 INFO L432 NwaCegarLoop]: 3078 mSDtfsCounter, 2908 mSDsluCounter, 3080 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2908 SdHoareTripleChecker+Valid, 6158 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:15:20,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2908 Valid, 6158 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:15:20,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2024-11-13 13:15:20,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2253. [2024-11-13 13:15:20,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 2241 states have (on average 1.4707719767960732) internal successors, (3296), 2241 states have internal predecessors, (3296), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:15:20,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 3316 transitions. [2024-11-13 13:15:20,407 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 3316 transitions. Word has length 645 [2024-11-13 13:15:20,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:15:20,407 INFO L471 AbstractCegarLoop]: Abstraction has 2253 states and 3316 transitions. [2024-11-13 13:15:20,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 149.5) internal successors, (598), 4 states have internal predecessors, (598), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:15:20,408 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 3316 transitions. [2024-11-13 13:15:20,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 647 [2024-11-13 13:15:20,412 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:15:20,412 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:15:20,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2024-11-13 13:15:20,413 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:15:20,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:15:20,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1305630589, now seen corresponding path program 1 times [2024-11-13 13:15:20,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:15:20,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750167990] [2024-11-13 13:15:20,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:15:20,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:15:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:23,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:15:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:23,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:15:23,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:23,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:15:23,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:23,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:15:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:23,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:15:23,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:23,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:15:23,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:23,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:15:23,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:23,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:15:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:23,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:15:23,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:23,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:15:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:23,389 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:15:23,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:15:23,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750167990] [2024-11-13 13:15:23,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750167990] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:15:23,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:15:23,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:15:23,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100846915] [2024-11-13 13:15:23,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:15:23,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:15:23,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:15:23,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:15:23,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:15:23,393 INFO L87 Difference]: Start difference. First operand 2253 states and 3316 transitions. Second operand has 5 states, 5 states have (on average 119.8) internal successors, (599), 5 states have internal predecessors, (599), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:15:23,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:15:23,925 INFO L93 Difference]: Finished difference Result 4052 states and 5952 transitions. [2024-11-13 13:15:23,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:15:23,926 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 119.8) internal successors, (599), 5 states have internal predecessors, (599), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 646 [2024-11-13 13:15:23,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:15:23,929 INFO L225 Difference]: With dead ends: 4052 [2024-11-13 13:15:23,929 INFO L226 Difference]: Without dead ends: 2253 [2024-11-13 13:15:23,930 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:15:23,931 INFO L432 NwaCegarLoop]: 3078 mSDtfsCounter, 5824 mSDsluCounter, 3080 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5824 SdHoareTripleChecker+Valid, 6158 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:15:23,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5824 Valid, 6158 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:15:23,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2024-11-13 13:15:23,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2253. [2024-11-13 13:15:23,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 2241 states have (on average 1.470325747434181) internal successors, (3295), 2241 states have internal predecessors, (3295), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:15:23,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 3315 transitions. [2024-11-13 13:15:23,966 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 3315 transitions. Word has length 646 [2024-11-13 13:15:23,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:15:23,967 INFO L471 AbstractCegarLoop]: Abstraction has 2253 states and 3315 transitions. [2024-11-13 13:15:23,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 119.8) internal successors, (599), 5 states have internal predecessors, (599), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:15:23,967 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 3315 transitions. [2024-11-13 13:15:23,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 648 [2024-11-13 13:15:23,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:15:23,972 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:15:23,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2024-11-13 13:15:23,972 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:15:23,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:15:23,973 INFO L85 PathProgramCache]: Analyzing trace with hash -448906314, now seen corresponding path program 1 times [2024-11-13 13:15:23,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:15:23,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287125029] [2024-11-13 13:15:23,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:15:23,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:15:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:26,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:15:26,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:26,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:15:26,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:26,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:15:26,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:26,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-13 13:15:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:26,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-13 13:15:26,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:26,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-13 13:15:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:26,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-13 13:15:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:26,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-13 13:15:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:26,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 13:15:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:26,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-13 13:15:26,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:26,390 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:15:26,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:15:26,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287125029] [2024-11-13 13:15:26,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287125029] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:15:26,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:15:26,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:15:26,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845850162] [2024-11-13 13:15:26,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:15:26,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:15:26,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:15:26,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:15:26,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:15:26,393 INFO L87 Difference]: Start difference. First operand 2253 states and 3315 transitions. Second operand has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 13:15:27,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:15:27,246 INFO L93 Difference]: Finished difference Result 4072 states and 5979 transitions. [2024-11-13 13:15:27,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:15:27,248 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 647 [2024-11-13 13:15:27,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:15:27,251 INFO L225 Difference]: With dead ends: 4072 [2024-11-13 13:15:27,251 INFO L226 Difference]: Without dead ends: 2253 [2024-11-13 13:15:27,253 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:15:27,253 INFO L432 NwaCegarLoop]: 3304 mSDtfsCounter, 14 mSDsluCounter, 5828 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 9132 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:15:27,253 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 9132 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 795 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 13:15:27,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2024-11-13 13:15:27,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2253. [2024-11-13 13:15:27,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 2241 states have (on average 1.4698795180722892) internal successors, (3294), 2241 states have internal predecessors, (3294), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:15:27,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 3314 transitions. [2024-11-13 13:15:27,287 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 3314 transitions. Word has length 647 [2024-11-13 13:15:27,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:15:27,287 INFO L471 AbstractCegarLoop]: Abstraction has 2253 states and 3314 transitions. [2024-11-13 13:15:27,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 13:15:27,288 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 3314 transitions. [2024-11-13 13:15:27,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 649 [2024-11-13 13:15:27,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:15:27,292 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:15:27,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2024-11-13 13:15:27,293 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:15:27,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:15:27,293 INFO L85 PathProgramCache]: Analyzing trace with hash 962142101, now seen corresponding path program 1 times [2024-11-13 13:15:27,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:15:27,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889245037] [2024-11-13 13:15:27,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:15:27,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:15:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:30,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:15:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:30,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:15:30,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:30,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:15:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:30,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-13 13:15:30,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:30,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-13 13:15:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:30,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-13 13:15:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:30,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-13 13:15:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:30,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-13 13:15:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:30,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-13 13:15:30,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:30,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-11-13 13:15:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:30,549 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:15:30,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:15:30,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889245037] [2024-11-13 13:15:30,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889245037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:15:30,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:15:30,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:15:30,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237816807] [2024-11-13 13:15:30,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:15:30,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:15:30,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:15:30,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:15:30,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:15:30,552 INFO L87 Difference]: Start difference. First operand 2253 states and 3314 transitions. Second operand has 5 states, 5 states have (on average 120.2) internal successors, (601), 5 states have internal predecessors, (601), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:15:31,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:15:31,214 INFO L93 Difference]: Finished difference Result 4052 states and 5948 transitions. [2024-11-13 13:15:31,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:15:31,214 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 120.2) internal successors, (601), 5 states have internal predecessors, (601), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 648 [2024-11-13 13:15:31,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:15:31,217 INFO L225 Difference]: With dead ends: 4052 [2024-11-13 13:15:31,217 INFO L226 Difference]: Without dead ends: 2253 [2024-11-13 13:15:31,219 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:15:31,219 INFO L432 NwaCegarLoop]: 3077 mSDtfsCounter, 5814 mSDsluCounter, 3079 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5814 SdHoareTripleChecker+Valid, 6156 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:15:31,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5814 Valid, 6156 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 13:15:31,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2024-11-13 13:15:31,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2253. [2024-11-13 13:15:31,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 2241 states have (on average 1.4694332887103971) internal successors, (3293), 2241 states have internal predecessors, (3293), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:15:31,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 3313 transitions. [2024-11-13 13:15:31,255 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 3313 transitions. Word has length 648 [2024-11-13 13:15:31,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:15:31,256 INFO L471 AbstractCegarLoop]: Abstraction has 2253 states and 3313 transitions. [2024-11-13 13:15:31,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 120.2) internal successors, (601), 5 states have internal predecessors, (601), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:15:31,257 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 3313 transitions. [2024-11-13 13:15:31,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 650 [2024-11-13 13:15:31,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:15:31,261 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:15:31,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2024-11-13 13:15:31,262 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:15:31,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:15:31,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1623783805, now seen corresponding path program 1 times [2024-11-13 13:15:31,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:15:31,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991948293] [2024-11-13 13:15:31,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:15:31,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:15:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:34,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:15:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:34,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:15:34,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:34,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:15:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:34,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-13 13:15:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:34,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-13 13:15:34,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:34,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-13 13:15:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:34,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-13 13:15:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:34,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-13 13:15:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:34,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-13 13:15:34,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:34,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-11-13 13:15:34,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:34,154 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:15:34,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:15:34,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991948293] [2024-11-13 13:15:34,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991948293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:15:34,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:15:34,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:15:34,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506044557] [2024-11-13 13:15:34,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:15:34,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:15:34,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:15:34,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:15:34,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:15:34,156 INFO L87 Difference]: Start difference. First operand 2253 states and 3313 transitions. Second operand has 5 states, 5 states have (on average 120.4) internal successors, (602), 5 states have internal predecessors, (602), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:15:34,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:15:34,700 INFO L93 Difference]: Finished difference Result 4052 states and 5946 transitions. [2024-11-13 13:15:34,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:15:34,701 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 120.4) internal successors, (602), 5 states have internal predecessors, (602), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 649 [2024-11-13 13:15:34,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:15:34,704 INFO L225 Difference]: With dead ends: 4052 [2024-11-13 13:15:34,704 INFO L226 Difference]: Without dead ends: 2253 [2024-11-13 13:15:34,705 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:15:34,706 INFO L432 NwaCegarLoop]: 3077 mSDtfsCounter, 2918 mSDsluCounter, 3093 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2918 SdHoareTripleChecker+Valid, 6170 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:15:34,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2918 Valid, 6170 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:15:34,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2024-11-13 13:15:34,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2253. [2024-11-13 13:15:34,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 2241 states have (on average 1.468987059348505) internal successors, (3292), 2241 states have internal predecessors, (3292), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:15:34,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 3312 transitions. [2024-11-13 13:15:34,731 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 3312 transitions. Word has length 649 [2024-11-13 13:15:34,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:15:34,731 INFO L471 AbstractCegarLoop]: Abstraction has 2253 states and 3312 transitions. [2024-11-13 13:15:34,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 120.4) internal successors, (602), 5 states have internal predecessors, (602), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:15:34,731 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 3312 transitions. [2024-11-13 13:15:34,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 651 [2024-11-13 13:15:34,734 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:15:34,734 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:15:34,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2024-11-13 13:15:34,735 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:15:34,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:15:34,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1042351846, now seen corresponding path program 1 times [2024-11-13 13:15:34,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:15:34,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289455154] [2024-11-13 13:15:34,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:15:34,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:15:36,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:37,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:15:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:37,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:15:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:37,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:15:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:37,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-13 13:15:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:37,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-13 13:15:37,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:37,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-13 13:15:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:37,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-13 13:15:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:37,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-13 13:15:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:37,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-13 13:15:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:37,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-11-13 13:15:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:37,550 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:15:37,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:15:37,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289455154] [2024-11-13 13:15:37,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289455154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:15:37,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:15:37,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:15:37,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751136967] [2024-11-13 13:15:37,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:15:37,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:15:37,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:15:37,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:15:37,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:15:37,553 INFO L87 Difference]: Start difference. First operand 2253 states and 3312 transitions. Second operand has 5 states, 5 states have (on average 120.6) internal successors, (603), 5 states have internal predecessors, (603), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:15:38,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:15:38,096 INFO L93 Difference]: Finished difference Result 4052 states and 5944 transitions. [2024-11-13 13:15:38,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:15:38,096 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 120.6) internal successors, (603), 5 states have internal predecessors, (603), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 650 [2024-11-13 13:15:38,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:15:38,099 INFO L225 Difference]: With dead ends: 4052 [2024-11-13 13:15:38,099 INFO L226 Difference]: Without dead ends: 2253 [2024-11-13 13:15:38,101 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:15:38,101 INFO L432 NwaCegarLoop]: 3077 mSDtfsCounter, 2917 mSDsluCounter, 3093 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2917 SdHoareTripleChecker+Valid, 6170 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:15:38,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2917 Valid, 6170 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:15:38,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2024-11-13 13:15:38,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2253. [2024-11-13 13:15:38,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 2241 states have (on average 1.4685408299866132) internal successors, (3291), 2241 states have internal predecessors, (3291), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:15:38,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 3311 transitions. [2024-11-13 13:15:38,124 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 3311 transitions. Word has length 650 [2024-11-13 13:15:38,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:15:38,124 INFO L471 AbstractCegarLoop]: Abstraction has 2253 states and 3311 transitions. [2024-11-13 13:15:38,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 120.6) internal successors, (603), 5 states have internal predecessors, (603), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:15:38,124 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 3311 transitions. [2024-11-13 13:15:38,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 652 [2024-11-13 13:15:38,127 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:15:38,127 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:15:38,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2024-11-13 13:15:38,127 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:15:38,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:15:38,128 INFO L85 PathProgramCache]: Analyzing trace with hash 40568734, now seen corresponding path program 1 times [2024-11-13 13:15:38,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:15:38,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743006740] [2024-11-13 13:15:38,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:15:38,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:15:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:41,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:15:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:41,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:15:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:41,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:15:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:41,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-13 13:15:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:41,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-13 13:15:41,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:41,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-13 13:15:41,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:41,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-13 13:15:41,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:41,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-13 13:15:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:41,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-13 13:15:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:41,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-11-13 13:15:41,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:41,087 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:15:41,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:15:41,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743006740] [2024-11-13 13:15:41,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743006740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:15:41,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:15:41,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:15:41,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621822927] [2024-11-13 13:15:41,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:15:41,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:15:41,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:15:41,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:15:41,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:15:41,089 INFO L87 Difference]: Start difference. First operand 2253 states and 3311 transitions. Second operand has 5 states, 5 states have (on average 120.8) internal successors, (604), 5 states have internal predecessors, (604), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:15:41,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:15:41,607 INFO L93 Difference]: Finished difference Result 4052 states and 5942 transitions. [2024-11-13 13:15:41,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:15:41,608 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 120.8) internal successors, (604), 5 states have internal predecessors, (604), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 651 [2024-11-13 13:15:41,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:15:41,611 INFO L225 Difference]: With dead ends: 4052 [2024-11-13 13:15:41,611 INFO L226 Difference]: Without dead ends: 2253 [2024-11-13 13:15:41,612 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:15:41,613 INFO L432 NwaCegarLoop]: 3077 mSDtfsCounter, 5739 mSDsluCounter, 3079 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5739 SdHoareTripleChecker+Valid, 6156 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:15:41,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5739 Valid, 6156 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:15:41,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2024-11-13 13:15:41,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2253. [2024-11-13 13:15:41,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 2241 states have (on average 1.468094600624721) internal successors, (3290), 2241 states have internal predecessors, (3290), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:15:41,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 3310 transitions. [2024-11-13 13:15:41,639 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 3310 transitions. Word has length 651 [2024-11-13 13:15:41,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:15:41,639 INFO L471 AbstractCegarLoop]: Abstraction has 2253 states and 3310 transitions. [2024-11-13 13:15:41,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 120.8) internal successors, (604), 5 states have internal predecessors, (604), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:15:41,640 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 3310 transitions. [2024-11-13 13:15:41,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 653 [2024-11-13 13:15:41,644 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:15:41,645 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:15:41,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2024-11-13 13:15:41,645 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:15:41,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:15:41,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1267680389, now seen corresponding path program 1 times [2024-11-13 13:15:41,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:15:41,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825331663] [2024-11-13 13:15:41,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:15:41,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:15:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:44,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:15:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:44,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:15:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:44,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:15:44,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:44,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-13 13:15:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:44,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-13 13:15:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:44,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-13 13:15:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:44,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-13 13:15:44,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:44,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-13 13:15:44,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:44,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-13 13:15:44,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:44,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-11-13 13:15:44,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:44,141 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:15:44,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:15:44,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825331663] [2024-11-13 13:15:44,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825331663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:15:44,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:15:44,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:15:44,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342359405] [2024-11-13 13:15:44,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:15:44,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:15:44,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:15:44,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:15:44,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:15:44,143 INFO L87 Difference]: Start difference. First operand 2253 states and 3310 transitions. Second operand has 5 states, 5 states have (on average 121.0) internal successors, (605), 5 states have internal predecessors, (605), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:15:44,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:15:44,630 INFO L93 Difference]: Finished difference Result 4052 states and 5940 transitions. [2024-11-13 13:15:44,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:15:44,630 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 121.0) internal successors, (605), 5 states have internal predecessors, (605), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 652 [2024-11-13 13:15:44,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:15:44,634 INFO L225 Difference]: With dead ends: 4052 [2024-11-13 13:15:44,634 INFO L226 Difference]: Without dead ends: 2253 [2024-11-13 13:15:44,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:15:44,636 INFO L432 NwaCegarLoop]: 3077 mSDtfsCounter, 2915 mSDsluCounter, 3093 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2915 SdHoareTripleChecker+Valid, 6170 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:15:44,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2915 Valid, 6170 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:15:44,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2024-11-13 13:15:44,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2253. [2024-11-13 13:15:44,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 2241 states have (on average 1.467648371262829) internal successors, (3289), 2241 states have internal predecessors, (3289), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:15:44,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 3309 transitions. [2024-11-13 13:15:44,670 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 3309 transitions. Word has length 652 [2024-11-13 13:15:44,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:15:44,670 INFO L471 AbstractCegarLoop]: Abstraction has 2253 states and 3309 transitions. [2024-11-13 13:15:44,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 121.0) internal successors, (605), 5 states have internal predecessors, (605), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:15:44,671 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 3309 transitions. [2024-11-13 13:15:44,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 654 [2024-11-13 13:15:44,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:15:44,675 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:15:44,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2024-11-13 13:15:44,676 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:15:44,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:15:44,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1314121153, now seen corresponding path program 1 times [2024-11-13 13:15:44,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:15:44,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932128553] [2024-11-13 13:15:44,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:15:44,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:15:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:47,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:15:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:47,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:15:47,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:47,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:15:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:47,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-13 13:15:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:47,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-13 13:15:47,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:47,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-13 13:15:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:47,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-13 13:15:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:47,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-13 13:15:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:47,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-13 13:15:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:47,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-11-13 13:15:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:47,626 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:15:47,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:15:47,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932128553] [2024-11-13 13:15:47,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932128553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:15:47,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:15:47,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:15:47,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640374905] [2024-11-13 13:15:47,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:15:47,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:15:47,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:15:47,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:15:47,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:15:47,629 INFO L87 Difference]: Start difference. First operand 2253 states and 3309 transitions. Second operand has 4 states, 4 states have (on average 151.5) internal successors, (606), 4 states have internal predecessors, (606), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:15:48,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:15:48,063 INFO L93 Difference]: Finished difference Result 4052 states and 5938 transitions. [2024-11-13 13:15:48,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:15:48,064 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 151.5) internal successors, (606), 4 states have internal predecessors, (606), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 653 [2024-11-13 13:15:48,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:15:48,067 INFO L225 Difference]: With dead ends: 4052 [2024-11-13 13:15:48,067 INFO L226 Difference]: Without dead ends: 2253 [2024-11-13 13:15:48,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 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 13:15:48,069 INFO L432 NwaCegarLoop]: 3077 mSDtfsCounter, 2814 mSDsluCounter, 3079 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2814 SdHoareTripleChecker+Valid, 6156 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:15:48,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2814 Valid, 6156 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:15:48,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2024-11-13 13:15:48,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2253. [2024-11-13 13:15:48,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 2241 states have (on average 1.4672021419009371) internal successors, (3288), 2241 states have internal predecessors, (3288), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:15:48,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 3308 transitions. [2024-11-13 13:15:48,102 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 3308 transitions. Word has length 653 [2024-11-13 13:15:48,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:15:48,103 INFO L471 AbstractCegarLoop]: Abstraction has 2253 states and 3308 transitions. [2024-11-13 13:15:48,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 151.5) internal successors, (606), 4 states have internal predecessors, (606), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:15:48,103 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 3308 transitions. [2024-11-13 13:15:48,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 655 [2024-11-13 13:15:48,108 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:15:48,108 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:15:48,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2024-11-13 13:15:48,109 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:15:48,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:15:48,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1071299164, now seen corresponding path program 1 times [2024-11-13 13:15:48,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:15:48,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745062613] [2024-11-13 13:15:48,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:15:48,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:15:50,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:51,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:15:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:51,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:15:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:51,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:15:51,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:51,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-13 13:15:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:51,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-13 13:15:51,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:51,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-13 13:15:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:51,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-13 13:15:51,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:51,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-13 13:15:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:51,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-13 13:15:51,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:51,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-11-13 13:15:51,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:51,031 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:15:51,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:15:51,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745062613] [2024-11-13 13:15:51,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745062613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:15:51,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:15:51,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:15:51,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410165141] [2024-11-13 13:15:51,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:15:51,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:15:51,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:15:51,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:15:51,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:15:51,033 INFO L87 Difference]: Start difference. First operand 2253 states and 3308 transitions. Second operand has 5 states, 5 states have (on average 121.4) internal successors, (607), 5 states have internal predecessors, (607), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:15:51,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:15:51,525 INFO L93 Difference]: Finished difference Result 4052 states and 5936 transitions. [2024-11-13 13:15:51,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:15:51,525 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 121.4) internal successors, (607), 5 states have internal predecessors, (607), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 654 [2024-11-13 13:15:51,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:15:51,528 INFO L225 Difference]: With dead ends: 4052 [2024-11-13 13:15:51,528 INFO L226 Difference]: Without dead ends: 2253 [2024-11-13 13:15:51,529 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:15:51,530 INFO L432 NwaCegarLoop]: 3077 mSDtfsCounter, 5721 mSDsluCounter, 3079 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5721 SdHoareTripleChecker+Valid, 6156 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:15:51,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5721 Valid, 6156 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:15:51,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2024-11-13 13:15:51,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2253. [2024-11-13 13:15:51,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 2241 states have (on average 1.466755912539045) internal successors, (3287), 2241 states have internal predecessors, (3287), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:15:51,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 3307 transitions. [2024-11-13 13:15:51,551 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 3307 transitions. Word has length 654 [2024-11-13 13:15:51,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:15:51,551 INFO L471 AbstractCegarLoop]: Abstraction has 2253 states and 3307 transitions. [2024-11-13 13:15:51,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 121.4) internal successors, (607), 5 states have internal predecessors, (607), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:15:51,552 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 3307 transitions. [2024-11-13 13:15:51,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 656 [2024-11-13 13:15:51,554 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:15:51,554 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:15:51,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2024-11-13 13:15:51,554 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:15:51,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:15:51,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1706909344, now seen corresponding path program 1 times [2024-11-13 13:15:51,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:15:51,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403900410] [2024-11-13 13:15:51,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:15:51,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:15:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:54,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:15:54,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:54,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:15:54,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:54,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:15:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:54,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-13 13:15:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:54,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-13 13:15:54,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:54,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-13 13:15:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:54,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-13 13:15:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:54,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-13 13:15:54,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:54,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-13 13:15:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:54,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-11-13 13:15:54,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:54,068 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:15:54,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:15:54,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403900410] [2024-11-13 13:15:54,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403900410] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:15:54,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:15:54,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:15:54,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585972661] [2024-11-13 13:15:54,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:15:54,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:15:54,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:15:54,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:15:54,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:15:54,071 INFO L87 Difference]: Start difference. First operand 2253 states and 3307 transitions. Second operand has 5 states, 5 states have (on average 121.6) internal successors, (608), 5 states have internal predecessors, (608), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:15:54,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:15:54,555 INFO L93 Difference]: Finished difference Result 4052 states and 5934 transitions. [2024-11-13 13:15:54,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:15:54,556 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 121.6) internal successors, (608), 5 states have internal predecessors, (608), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 655 [2024-11-13 13:15:54,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:15:54,558 INFO L225 Difference]: With dead ends: 4052 [2024-11-13 13:15:54,558 INFO L226 Difference]: Without dead ends: 2253 [2024-11-13 13:15:54,560 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:15:54,560 INFO L432 NwaCegarLoop]: 3077 mSDtfsCounter, 5715 mSDsluCounter, 3079 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5715 SdHoareTripleChecker+Valid, 6156 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:15:54,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5715 Valid, 6156 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:15:54,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2024-11-13 13:15:54,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2253. [2024-11-13 13:15:54,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 2241 states have (on average 1.4663096831771532) internal successors, (3286), 2241 states have internal predecessors, (3286), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:15:54,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 3306 transitions. [2024-11-13 13:15:54,589 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 3306 transitions. Word has length 655 [2024-11-13 13:15:54,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:15:54,590 INFO L471 AbstractCegarLoop]: Abstraction has 2253 states and 3306 transitions. [2024-11-13 13:15:54,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 121.6) internal successors, (608), 5 states have internal predecessors, (608), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:15:54,590 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 3306 transitions. [2024-11-13 13:15:54,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 657 [2024-11-13 13:15:54,594 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:15:54,595 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:15:54,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2024-11-13 13:15:54,595 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:15:54,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:15:54,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1040489027, now seen corresponding path program 1 times [2024-11-13 13:15:54,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:15:54,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046658758] [2024-11-13 13:15:54,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:15:54,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:15:56,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:57,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:15:57,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:57,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:15:57,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:57,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:15:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:57,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-13 13:15:57,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:57,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-13 13:15:57,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:57,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-13 13:15:57,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:57,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-13 13:15:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:57,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-13 13:15:57,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:57,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-13 13:15:57,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:57,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-11-13 13:15:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:57,446 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:15:57,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:15:57,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046658758] [2024-11-13 13:15:57,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046658758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:15:57,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:15:57,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:15:57,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774255793] [2024-11-13 13:15:57,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:15:57,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:15:57,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:15:57,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:15:57,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:15:57,448 INFO L87 Difference]: Start difference. First operand 2253 states and 3306 transitions. Second operand has 5 states, 5 states have (on average 121.8) internal successors, (609), 5 states have internal predecessors, (609), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:15:57,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:15:57,986 INFO L93 Difference]: Finished difference Result 4052 states and 5932 transitions. [2024-11-13 13:15:57,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:15:57,986 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 121.8) internal successors, (609), 5 states have internal predecessors, (609), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 656 [2024-11-13 13:15:57,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:15:57,989 INFO L225 Difference]: With dead ends: 4052 [2024-11-13 13:15:57,989 INFO L226 Difference]: Without dead ends: 2253 [2024-11-13 13:15:57,990 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:15:57,991 INFO L432 NwaCegarLoop]: 3077 mSDtfsCounter, 2911 mSDsluCounter, 3093 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2911 SdHoareTripleChecker+Valid, 6170 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:15:57,991 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2911 Valid, 6170 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:15:57,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2024-11-13 13:15:58,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2253. [2024-11-13 13:15:58,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 2241 states have (on average 1.465863453815261) internal successors, (3285), 2241 states have internal predecessors, (3285), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:15:58,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 3305 transitions. [2024-11-13 13:15:58,013 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 3305 transitions. Word has length 656 [2024-11-13 13:15:58,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:15:58,014 INFO L471 AbstractCegarLoop]: Abstraction has 2253 states and 3305 transitions. [2024-11-13 13:15:58,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 121.8) internal successors, (609), 5 states have internal predecessors, (609), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:15:58,014 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 3305 transitions. [2024-11-13 13:15:58,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 658 [2024-11-13 13:15:58,017 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:15:58,017 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:15:58,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2024-11-13 13:15:58,017 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:15:58,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:15:58,018 INFO L85 PathProgramCache]: Analyzing trace with hash -307863087, now seen corresponding path program 1 times [2024-11-13 13:15:58,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:15:58,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625565351] [2024-11-13 13:15:58,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:15:58,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:15:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:00,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:16:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:00,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:16:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:00,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:16:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:00,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-13 13:16:00,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:00,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-13 13:16:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:00,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-13 13:16:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:00,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-13 13:16:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:00,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-13 13:16:00,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:00,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-13 13:16:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:00,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-11-13 13:16:00,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:00,589 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:16:00,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:16:00,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625565351] [2024-11-13 13:16:00,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625565351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:16:00,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:16:00,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:16:00,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83844684] [2024-11-13 13:16:00,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:16:00,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:16:00,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:16:00,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:16:00,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:16:00,591 INFO L87 Difference]: Start difference. First operand 2253 states and 3305 transitions. Second operand has 5 states, 5 states have (on average 122.0) internal successors, (610), 5 states have internal predecessors, (610), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:16:01,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:16:01,070 INFO L93 Difference]: Finished difference Result 4052 states and 5930 transitions. [2024-11-13 13:16:01,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:16:01,071 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 122.0) internal successors, (610), 5 states have internal predecessors, (610), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 657 [2024-11-13 13:16:01,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:16:01,073 INFO L225 Difference]: With dead ends: 4052 [2024-11-13 13:16:01,073 INFO L226 Difference]: Without dead ends: 2253 [2024-11-13 13:16:01,074 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:16:01,075 INFO L432 NwaCegarLoop]: 3077 mSDtfsCounter, 2910 mSDsluCounter, 3093 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2910 SdHoareTripleChecker+Valid, 6170 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:16:01,075 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2910 Valid, 6170 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:16:01,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2024-11-13 13:16:01,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2253. [2024-11-13 13:16:01,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 2241 states have (on average 1.465417224453369) internal successors, (3284), 2241 states have internal predecessors, (3284), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:16:01,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 3304 transitions. [2024-11-13 13:16:01,104 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 3304 transitions. Word has length 657 [2024-11-13 13:16:01,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:16:01,104 INFO L471 AbstractCegarLoop]: Abstraction has 2253 states and 3304 transitions. [2024-11-13 13:16:01,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 122.0) internal successors, (610), 5 states have internal predecessors, (610), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:16:01,105 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 3304 transitions. [2024-11-13 13:16:01,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 659 [2024-11-13 13:16:01,107 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:16:01,107 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:16:01,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2024-11-13 13:16:01,107 INFO L396 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:16:01,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:16:01,108 INFO L85 PathProgramCache]: Analyzing trace with hash 983292612, now seen corresponding path program 1 times [2024-11-13 13:16:01,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:16:01,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773492565] [2024-11-13 13:16:01,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:16:01,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:16:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:03,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:16:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:03,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:16:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:03,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:16:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:03,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-13 13:16:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:03,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-13 13:16:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:03,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-13 13:16:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:03,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-13 13:16:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:03,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-13 13:16:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:03,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-13 13:16:03,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:03,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-11-13 13:16:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:03,832 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:16:03,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:16:03,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773492565] [2024-11-13 13:16:03,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773492565] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:16:03,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:16:03,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:16:03,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369080160] [2024-11-13 13:16:03,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:16:03,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:16:03,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:16:03,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:16:03,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:16:03,834 INFO L87 Difference]: Start difference. First operand 2253 states and 3304 transitions. Second operand has 5 states, 5 states have (on average 122.2) internal successors, (611), 5 states have internal predecessors, (611), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:16:04,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:16:04,317 INFO L93 Difference]: Finished difference Result 4052 states and 5928 transitions. [2024-11-13 13:16:04,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:16:04,318 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 122.2) internal successors, (611), 5 states have internal predecessors, (611), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 658 [2024-11-13 13:16:04,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:16:04,320 INFO L225 Difference]: With dead ends: 4052 [2024-11-13 13:16:04,320 INFO L226 Difference]: Without dead ends: 2253 [2024-11-13 13:16:04,322 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:16:04,322 INFO L432 NwaCegarLoop]: 3077 mSDtfsCounter, 2909 mSDsluCounter, 3093 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2909 SdHoareTripleChecker+Valid, 6170 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:16:04,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2909 Valid, 6170 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:16:04,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2024-11-13 13:16:04,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2253. [2024-11-13 13:16:04,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 2241 states have (on average 1.464970995091477) internal successors, (3283), 2241 states have internal predecessors, (3283), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:16:04,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 3303 transitions. [2024-11-13 13:16:04,348 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 3303 transitions. Word has length 658 [2024-11-13 13:16:04,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:16:04,348 INFO L471 AbstractCegarLoop]: Abstraction has 2253 states and 3303 transitions. [2024-11-13 13:16:04,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 122.2) internal successors, (611), 5 states have internal predecessors, (611), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:16:04,348 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 3303 transitions. [2024-11-13 13:16:04,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 660 [2024-11-13 13:16:04,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:16:04,351 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:16:04,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2024-11-13 13:16:04,351 INFO L396 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:16:04,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:16:04,352 INFO L85 PathProgramCache]: Analyzing trace with hash -2138926832, now seen corresponding path program 1 times [2024-11-13 13:16:04,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:16:04,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275238597] [2024-11-13 13:16:04,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:16:04,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:16:06,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:06,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:16:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:06,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:16:06,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:06,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:16:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:06,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-13 13:16:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:06,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-13 13:16:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:06,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-13 13:16:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:06,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-13 13:16:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:06,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-13 13:16:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:06,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-13 13:16:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:06,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-11-13 13:16:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:06,903 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:16:06,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:16:06,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275238597] [2024-11-13 13:16:06,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275238597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:16:06,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:16:06,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:16:06,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328665497] [2024-11-13 13:16:06,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:16:06,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:16:06,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:16:06,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:16:06,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:16:06,906 INFO L87 Difference]: Start difference. First operand 2253 states and 3303 transitions. Second operand has 5 states, 5 states have (on average 122.4) internal successors, (612), 5 states have internal predecessors, (612), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:16:07,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:16:07,398 INFO L93 Difference]: Finished difference Result 4052 states and 5926 transitions. [2024-11-13 13:16:07,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:16:07,399 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 122.4) internal successors, (612), 5 states have internal predecessors, (612), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 659 [2024-11-13 13:16:07,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:16:07,402 INFO L225 Difference]: With dead ends: 4052 [2024-11-13 13:16:07,402 INFO L226 Difference]: Without dead ends: 2253 [2024-11-13 13:16:07,403 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:16:07,403 INFO L432 NwaCegarLoop]: 3077 mSDtfsCounter, 2908 mSDsluCounter, 3093 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2908 SdHoareTripleChecker+Valid, 6170 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:16:07,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2908 Valid, 6170 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:16:07,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2024-11-13 13:16:07,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2253. [2024-11-13 13:16:07,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 2241 states have (on average 1.464524765729585) internal successors, (3282), 2241 states have internal predecessors, (3282), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:16:07,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 3302 transitions. [2024-11-13 13:16:07,428 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 3302 transitions. Word has length 659 [2024-11-13 13:16:07,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:16:07,429 INFO L471 AbstractCegarLoop]: Abstraction has 2253 states and 3302 transitions. [2024-11-13 13:16:07,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 122.4) internal successors, (612), 5 states have internal predecessors, (612), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:16:07,429 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 3302 transitions. [2024-11-13 13:16:07,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 661 [2024-11-13 13:16:07,431 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:16:07,432 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:16:07,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2024-11-13 13:16:07,432 INFO L396 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:16:07,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:16:07,432 INFO L85 PathProgramCache]: Analyzing trace with hash 2103400389, now seen corresponding path program 1 times [2024-11-13 13:16:07,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:16:07,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958931729] [2024-11-13 13:16:07,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:16:07,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:16:09,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:10,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:16:10,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:10,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:16:10,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:10,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:16:10,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:10,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-13 13:16:10,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:10,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-13 13:16:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:10,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-13 13:16:10,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:10,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-13 13:16:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:10,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-13 13:16:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:10,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-13 13:16:10,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:10,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-11-13 13:16:10,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:10,360 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:16:10,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:16:10,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958931729] [2024-11-13 13:16:10,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958931729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:16:10,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:16:10,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:16:10,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139617219] [2024-11-13 13:16:10,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:16:10,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:16:10,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:16:10,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:16:10,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:16:10,363 INFO L87 Difference]: Start difference. First operand 2253 states and 3302 transitions. Second operand has 4 states, 4 states have (on average 153.25) internal successors, (613), 4 states have internal predecessors, (613), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:16:10,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:16:10,852 INFO L93 Difference]: Finished difference Result 4052 states and 5924 transitions. [2024-11-13 13:16:10,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:16:10,852 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 153.25) internal successors, (613), 4 states have internal predecessors, (613), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 660 [2024-11-13 13:16:10,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:16:10,856 INFO L225 Difference]: With dead ends: 4052 [2024-11-13 13:16:10,856 INFO L226 Difference]: Without dead ends: 2253 [2024-11-13 13:16:10,858 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 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 13:16:10,858 INFO L432 NwaCegarLoop]: 3077 mSDtfsCounter, 2722 mSDsluCounter, 3079 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2722 SdHoareTripleChecker+Valid, 6156 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:16:10,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2722 Valid, 6156 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:16:10,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2024-11-13 13:16:10,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2253. [2024-11-13 13:16:10,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 2241 states have (on average 1.464078536367693) internal successors, (3281), 2241 states have internal predecessors, (3281), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:16:10,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 3301 transitions. [2024-11-13 13:16:10,895 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 3301 transitions. Word has length 660 [2024-11-13 13:16:10,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:16:10,895 INFO L471 AbstractCegarLoop]: Abstraction has 2253 states and 3301 transitions. [2024-11-13 13:16:10,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 153.25) internal successors, (613), 4 states have internal predecessors, (613), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:16:10,896 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 3301 transitions. [2024-11-13 13:16:10,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 662 [2024-11-13 13:16:10,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:16:10,901 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:16:10,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2024-11-13 13:16:10,902 INFO L396 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:16:10,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:16:10,902 INFO L85 PathProgramCache]: Analyzing trace with hash 941771727, now seen corresponding path program 1 times [2024-11-13 13:16:10,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:16:10,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173014828] [2024-11-13 13:16:10,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:16:10,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:16:12,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:13,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:16:13,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:13,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:16:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:13,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:16:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:13,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-13 13:16:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:13,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-13 13:16:13,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:13,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-13 13:16:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:13,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-13 13:16:13,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:13,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-13 13:16:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:13,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-13 13:16:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:13,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-11-13 13:16:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:13,730 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:16:13,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:16:13,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173014828] [2024-11-13 13:16:13,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173014828] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:16:13,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:16:13,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:16:13,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591211439] [2024-11-13 13:16:13,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:16:13,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:16:13,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:16:13,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:16:13,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:16:13,732 INFO L87 Difference]: Start difference. First operand 2253 states and 3301 transitions. Second operand has 5 states, 5 states have (on average 122.8) internal successors, (614), 5 states have internal predecessors, (614), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:16:14,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:16:14,235 INFO L93 Difference]: Finished difference Result 4052 states and 5922 transitions. [2024-11-13 13:16:14,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:16:14,236 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 122.8) internal successors, (614), 5 states have internal predecessors, (614), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 661 [2024-11-13 13:16:14,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:16:14,239 INFO L225 Difference]: With dead ends: 4052 [2024-11-13 13:16:14,239 INFO L226 Difference]: Without dead ends: 2253 [2024-11-13 13:16:14,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:16:14,241 INFO L432 NwaCegarLoop]: 3077 mSDtfsCounter, 5622 mSDsluCounter, 3079 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5622 SdHoareTripleChecker+Valid, 6156 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:16:14,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5622 Valid, 6156 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:16:14,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2024-11-13 13:16:14,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2253. [2024-11-13 13:16:14,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 2241 states have (on average 1.463632307005801) internal successors, (3280), 2241 states have internal predecessors, (3280), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:16:14,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 3300 transitions. [2024-11-13 13:16:14,269 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 3300 transitions. Word has length 661 [2024-11-13 13:16:14,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:16:14,270 INFO L471 AbstractCegarLoop]: Abstraction has 2253 states and 3300 transitions. [2024-11-13 13:16:14,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 122.8) internal successors, (614), 5 states have internal predecessors, (614), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:16:14,270 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 3300 transitions. [2024-11-13 13:16:14,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 663 [2024-11-13 13:16:14,273 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:16:14,273 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:16:14,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2024-11-13 13:16:14,273 INFO L396 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:16:14,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:16:14,274 INFO L85 PathProgramCache]: Analyzing trace with hash 705921350, now seen corresponding path program 1 times [2024-11-13 13:16:14,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:16:14,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178303223] [2024-11-13 13:16:14,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:16:14,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:16:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:17,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:16:17,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:17,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:16:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:17,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:16:17,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:17,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-13 13:16:17,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:17,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-13 13:16:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:17,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-13 13:16:17,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:17,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-13 13:16:17,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:17,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-13 13:16:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:17,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-13 13:16:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:17,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-11-13 13:16:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:17,267 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:16:17,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:16:17,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178303223] [2024-11-13 13:16:17,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178303223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:16:17,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:16:17,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:16:17,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30705178] [2024-11-13 13:16:17,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:16:17,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:16:17,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:16:17,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:16:17,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:16:17,270 INFO L87 Difference]: Start difference. First operand 2253 states and 3300 transitions. Second operand has 4 states, 4 states have (on average 153.75) internal successors, (615), 4 states have internal predecessors, (615), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:16:17,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:16:17,727 INFO L93 Difference]: Finished difference Result 4052 states and 5920 transitions. [2024-11-13 13:16:17,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:16:17,727 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 153.75) internal successors, (615), 4 states have internal predecessors, (615), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 662 [2024-11-13 13:16:17,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:16:17,730 INFO L225 Difference]: With dead ends: 4052 [2024-11-13 13:16:17,730 INFO L226 Difference]: Without dead ends: 2253 [2024-11-13 13:16:17,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 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 13:16:17,731 INFO L432 NwaCegarLoop]: 3077 mSDtfsCounter, 2712 mSDsluCounter, 3079 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2712 SdHoareTripleChecker+Valid, 6156 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:16:17,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2712 Valid, 6156 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:16:17,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2024-11-13 13:16:17,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2253. [2024-11-13 13:16:17,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 2241 states have (on average 1.463186077643909) internal successors, (3279), 2241 states have internal predecessors, (3279), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:16:17,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 3299 transitions. [2024-11-13 13:16:17,753 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 3299 transitions. Word has length 662 [2024-11-13 13:16:17,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:16:17,754 INFO L471 AbstractCegarLoop]: Abstraction has 2253 states and 3299 transitions. [2024-11-13 13:16:17,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 153.75) internal successors, (615), 4 states have internal predecessors, (615), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:16:17,754 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 3299 transitions. [2024-11-13 13:16:17,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 664 [2024-11-13 13:16:17,757 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:16:17,757 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:16:17,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2024-11-13 13:16:17,757 INFO L396 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:16:17,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:16:17,757 INFO L85 PathProgramCache]: Analyzing trace with hash -908516850, now seen corresponding path program 1 times [2024-11-13 13:16:17,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:16:17,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934683507] [2024-11-13 13:16:17,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:16:17,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:16:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:21,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:16:21,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:21,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:16:21,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:21,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:16:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:21,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-13 13:16:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:21,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-13 13:16:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:21,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-13 13:16:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:21,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-13 13:16:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:21,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-13 13:16:21,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:21,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-13 13:16:21,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:21,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-11-13 13:16:21,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:21,561 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:16:21,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:16:21,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934683507] [2024-11-13 13:16:21,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934683507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:16:21,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:16:21,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:16:21,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202625564] [2024-11-13 13:16:21,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:16:21,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:16:21,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:16:21,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:16:21,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:16:21,563 INFO L87 Difference]: Start difference. First operand 2253 states and 3299 transitions. Second operand has 4 states, 4 states have (on average 154.0) internal successors, (616), 4 states have internal predecessors, (616), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:16:21,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:16:21,882 INFO L93 Difference]: Finished difference Result 4052 states and 5918 transitions. [2024-11-13 13:16:21,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:16:21,883 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 154.0) internal successors, (616), 4 states have internal predecessors, (616), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 663 [2024-11-13 13:16:21,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:16:21,886 INFO L225 Difference]: With dead ends: 4052 [2024-11-13 13:16:21,886 INFO L226 Difference]: Without dead ends: 2253 [2024-11-13 13:16:21,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 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 13:16:21,888 INFO L432 NwaCegarLoop]: 3164 mSDtfsCounter, 2917 mSDsluCounter, 3166 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2917 SdHoareTripleChecker+Valid, 6330 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:16:21,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2917 Valid, 6330 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:16:21,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2024-11-13 13:16:21,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2253. [2024-11-13 13:16:21,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 2241 states have (on average 1.4627398482820169) internal successors, (3278), 2241 states have internal predecessors, (3278), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:16:21,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 3298 transitions. [2024-11-13 13:16:21,918 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 3298 transitions. Word has length 663 [2024-11-13 13:16:21,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:16:21,919 INFO L471 AbstractCegarLoop]: Abstraction has 2253 states and 3298 transitions. [2024-11-13 13:16:21,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 154.0) internal successors, (616), 4 states have internal predecessors, (616), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:16:21,919 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 3298 transitions. [2024-11-13 13:16:21,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 665 [2024-11-13 13:16:21,924 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:16:21,924 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:16:21,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2024-11-13 13:16:21,924 INFO L396 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:16:21,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:16:21,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1746807200, now seen corresponding path program 1 times [2024-11-13 13:16:21,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:16:21,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007442239] [2024-11-13 13:16:21,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:16:21,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:16:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:25,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:16:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:25,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:16:25,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:25,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:16:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:25,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-13 13:16:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:25,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-13 13:16:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:25,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-13 13:16:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:25,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-13 13:16:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:25,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-13 13:16:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:25,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-13 13:16:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:25,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-11-13 13:16:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:25,115 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:16:25,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:16:25,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007442239] [2024-11-13 13:16:25,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007442239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:16:25,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:16:25,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:16:25,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386298137] [2024-11-13 13:16:25,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:16:25,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:16:25,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:16:25,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:16:25,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:16:25,117 INFO L87 Difference]: Start difference. First operand 2253 states and 3298 transitions. Second operand has 5 states, 5 states have (on average 123.4) internal successors, (617), 5 states have internal predecessors, (617), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:16:25,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:16:25,440 INFO L93 Difference]: Finished difference Result 4052 states and 5916 transitions. [2024-11-13 13:16:25,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:16:25,441 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 123.4) internal successors, (617), 5 states have internal predecessors, (617), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 664 [2024-11-13 13:16:25,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:16:25,443 INFO L225 Difference]: With dead ends: 4052 [2024-11-13 13:16:25,444 INFO L226 Difference]: Without dead ends: 2253 [2024-11-13 13:16:25,445 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:16:25,445 INFO L432 NwaCegarLoop]: 3164 mSDtfsCounter, 5826 mSDsluCounter, 3166 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5826 SdHoareTripleChecker+Valid, 6330 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:16:25,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5826 Valid, 6330 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:16:25,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2024-11-13 13:16:25,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2253. [2024-11-13 13:16:25,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 2241 states have (on average 1.462293618920125) internal successors, (3277), 2241 states have internal predecessors, (3277), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:16:25,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 3297 transitions. [2024-11-13 13:16:25,469 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 3297 transitions. Word has length 664 [2024-11-13 13:16:25,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:16:25,469 INFO L471 AbstractCegarLoop]: Abstraction has 2253 states and 3297 transitions. [2024-11-13 13:16:25,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 123.4) internal successors, (617), 5 states have internal predecessors, (617), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:16:25,469 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 3297 transitions. [2024-11-13 13:16:25,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 666 [2024-11-13 13:16:25,472 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:16:25,472 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:16:25,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2024-11-13 13:16:25,472 INFO L396 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:16:25,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:16:25,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1439083219, now seen corresponding path program 1 times [2024-11-13 13:16:25,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:16:25,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012740369] [2024-11-13 13:16:25,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:16:25,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:16:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:28,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:16:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:28,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:16:28,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:28,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:16:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:28,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-13 13:16:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:28,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-13 13:16:28,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:28,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-13 13:16:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:28,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-13 13:16:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:28,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-13 13:16:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:28,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-13 13:16:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:28,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-11-13 13:16:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:28,553 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:16:28,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:16:28,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012740369] [2024-11-13 13:16:28,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012740369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:16:28,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:16:28,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:16:28,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785809395] [2024-11-13 13:16:28,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:16:28,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:16:28,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:16:28,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:16:28,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:16:28,555 INFO L87 Difference]: Start difference. First operand 2253 states and 3297 transitions. Second operand has 5 states, 5 states have (on average 123.6) internal successors, (618), 5 states have internal predecessors, (618), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:16:28,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:16:28,886 INFO L93 Difference]: Finished difference Result 4052 states and 5914 transitions. [2024-11-13 13:16:28,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:16:28,886 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 123.6) internal successors, (618), 5 states have internal predecessors, (618), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 665 [2024-11-13 13:16:28,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:16:28,889 INFO L225 Difference]: With dead ends: 4052 [2024-11-13 13:16:28,889 INFO L226 Difference]: Without dead ends: 2253 [2024-11-13 13:16:28,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:16:28,890 INFO L432 NwaCegarLoop]: 3164 mSDtfsCounter, 5820 mSDsluCounter, 3166 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5820 SdHoareTripleChecker+Valid, 6330 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:16:28,890 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5820 Valid, 6330 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:16:28,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2024-11-13 13:16:28,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2253. [2024-11-13 13:16:28,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 2241 states have (on average 1.461847389558233) internal successors, (3276), 2241 states have internal predecessors, (3276), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:16:28,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 3296 transitions. [2024-11-13 13:16:28,917 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 3296 transitions. Word has length 665 [2024-11-13 13:16:28,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:16:28,918 INFO L471 AbstractCegarLoop]: Abstraction has 2253 states and 3296 transitions. [2024-11-13 13:16:28,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 123.6) internal successors, (618), 5 states have internal predecessors, (618), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:16:28,918 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 3296 transitions. [2024-11-13 13:16:28,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 667 [2024-11-13 13:16:28,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:16:28,921 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:16:28,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2024-11-13 13:16:28,921 INFO L396 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:16:28,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:16:28,922 INFO L85 PathProgramCache]: Analyzing trace with hash -324482175, now seen corresponding path program 1 times [2024-11-13 13:16:28,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:16:28,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563496706] [2024-11-13 13:16:28,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:16:28,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:16:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:32,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:16:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:32,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:16:32,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:32,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:16:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:32,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-13 13:16:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:32,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-13 13:16:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:32,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-13 13:16:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:32,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-13 13:16:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:32,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-13 13:16:32,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:32,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-13 13:16:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:32,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-11-13 13:16:32,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:32,207 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:16:32,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:16:32,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563496706] [2024-11-13 13:16:32,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563496706] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:16:32,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:16:32,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:16:32,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307589089] [2024-11-13 13:16:32,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:16:32,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:16:32,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:16:32,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:16:32,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:16:32,210 INFO L87 Difference]: Start difference. First operand 2253 states and 3296 transitions. Second operand has 5 states, 5 states have (on average 123.8) internal successors, (619), 5 states have internal predecessors, (619), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:16:32,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:16:32,564 INFO L93 Difference]: Finished difference Result 4052 states and 5912 transitions. [2024-11-13 13:16:32,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:16:32,565 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 123.8) internal successors, (619), 5 states have internal predecessors, (619), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 666 [2024-11-13 13:16:32,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:16:32,567 INFO L225 Difference]: With dead ends: 4052 [2024-11-13 13:16:32,567 INFO L226 Difference]: Without dead ends: 2253 [2024-11-13 13:16:32,569 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:16:32,569 INFO L432 NwaCegarLoop]: 3164 mSDtfsCounter, 2913 mSDsluCounter, 3180 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2913 SdHoareTripleChecker+Valid, 6344 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:16:32,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2913 Valid, 6344 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:16:32,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2024-11-13 13:16:32,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2253. [2024-11-13 13:16:32,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 2241 states have (on average 1.4614011601963408) internal successors, (3275), 2241 states have internal predecessors, (3275), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:16:32,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 3295 transitions. [2024-11-13 13:16:32,597 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 3295 transitions. Word has length 666 [2024-11-13 13:16:32,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:16:32,598 INFO L471 AbstractCegarLoop]: Abstraction has 2253 states and 3295 transitions. [2024-11-13 13:16:32,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 123.8) internal successors, (619), 5 states have internal predecessors, (619), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:16:32,598 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 3295 transitions. [2024-11-13 13:16:32,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2024-11-13 13:16:32,601 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:16:32,601 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:16:32,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2024-11-13 13:16:32,601 INFO L396 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:16:32,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:16:32,602 INFO L85 PathProgramCache]: Analyzing trace with hash 185454948, now seen corresponding path program 1 times [2024-11-13 13:16:32,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:16:32,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774625574] [2024-11-13 13:16:32,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:16:32,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:16:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:36,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:16:36,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:36,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:16:36,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:36,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:16:36,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:36,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-13 13:16:36,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:36,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-13 13:16:36,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:36,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-13 13:16:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:36,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-13 13:16:36,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:36,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-13 13:16:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:36,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-13 13:16:36,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:36,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-11-13 13:16:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:36,104 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:16:36,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:16:36,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774625574] [2024-11-13 13:16:36,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774625574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:16:36,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:16:36,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:16:36,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758832256] [2024-11-13 13:16:36,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:16:36,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:16:36,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:16:36,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:16:36,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:16:36,106 INFO L87 Difference]: Start difference. First operand 2253 states and 3295 transitions. Second operand has 5 states, 5 states have (on average 124.0) internal successors, (620), 5 states have internal predecessors, (620), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:16:36,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:16:36,446 INFO L93 Difference]: Finished difference Result 4052 states and 5910 transitions. [2024-11-13 13:16:36,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:16:36,447 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 124.0) internal successors, (620), 5 states have internal predecessors, (620), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 667 [2024-11-13 13:16:36,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:16:36,450 INFO L225 Difference]: With dead ends: 4052 [2024-11-13 13:16:36,450 INFO L226 Difference]: Without dead ends: 2253 [2024-11-13 13:16:36,452 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:16:36,452 INFO L432 NwaCegarLoop]: 3164 mSDtfsCounter, 2912 mSDsluCounter, 3180 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2912 SdHoareTripleChecker+Valid, 6344 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:16:36,453 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2912 Valid, 6344 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:16:36,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2024-11-13 13:16:36,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2253. [2024-11-13 13:16:36,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 2241 states have (on average 1.460954930834449) internal successors, (3274), 2241 states have internal predecessors, (3274), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:16:36,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 3294 transitions. [2024-11-13 13:16:36,490 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 3294 transitions. Word has length 667 [2024-11-13 13:16:36,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:16:36,490 INFO L471 AbstractCegarLoop]: Abstraction has 2253 states and 3294 transitions. [2024-11-13 13:16:36,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 124.0) internal successors, (620), 5 states have internal predecessors, (620), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:16:36,491 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 3294 transitions. [2024-11-13 13:16:36,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 669 [2024-11-13 13:16:36,495 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:16:36,496 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:16:36,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2024-11-13 13:16:36,496 INFO L396 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:16:36,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:16:36,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1735149150, now seen corresponding path program 1 times [2024-11-13 13:16:36,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:16:36,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066086975] [2024-11-13 13:16:36,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:16:36,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:16:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:39,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:16:39,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:39,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:16:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:39,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:16:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:39,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-13 13:16:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:39,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-13 13:16:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:39,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-13 13:16:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:39,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-13 13:16:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:39,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-13 13:16:39,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:39,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-13 13:16:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:39,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-11-13 13:16:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:39,529 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:16:39,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:16:39,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066086975] [2024-11-13 13:16:39,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066086975] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:16:39,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:16:39,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:16:39,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707116867] [2024-11-13 13:16:39,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:16:39,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:16:39,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:16:39,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:16:39,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:16:39,532 INFO L87 Difference]: Start difference. First operand 2253 states and 3294 transitions. Second operand has 5 states, 5 states have (on average 124.2) internal successors, (621), 5 states have internal predecessors, (621), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:16:39,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:16:39,930 INFO L93 Difference]: Finished difference Result 4052 states and 5908 transitions. [2024-11-13 13:16:39,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:16:39,930 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 124.2) internal successors, (621), 5 states have internal predecessors, (621), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 668 [2024-11-13 13:16:39,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:16:39,933 INFO L225 Difference]: With dead ends: 4052 [2024-11-13 13:16:39,933 INFO L226 Difference]: Without dead ends: 2253 [2024-11-13 13:16:39,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:16:39,934 INFO L432 NwaCegarLoop]: 3164 mSDtfsCounter, 2911 mSDsluCounter, 3180 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2911 SdHoareTripleChecker+Valid, 6344 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:16:39,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2911 Valid, 6344 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:16:39,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2024-11-13 13:16:39,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2253. [2024-11-13 13:16:39,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 2241 states have (on average 1.4605087014725568) internal successors, (3273), 2241 states have internal predecessors, (3273), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:16:39,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 3293 transitions. [2024-11-13 13:16:39,959 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 3293 transitions. Word has length 668 [2024-11-13 13:16:39,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:16:39,959 INFO L471 AbstractCegarLoop]: Abstraction has 2253 states and 3293 transitions. [2024-11-13 13:16:39,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 124.2) internal successors, (621), 5 states have internal predecessors, (621), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:16:39,959 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 3293 transitions. [2024-11-13 13:16:39,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 670 [2024-11-13 13:16:39,962 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:16:39,962 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:16:39,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2024-11-13 13:16:39,963 INFO L396 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:16:39,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:16:39,963 INFO L85 PathProgramCache]: Analyzing trace with hash -464591101, now seen corresponding path program 1 times [2024-11-13 13:16:39,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:16:39,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127345852] [2024-11-13 13:16:39,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:16:39,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:16:41,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:42,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:16:42,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:42,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:16:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:42,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:16:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:42,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-13 13:16:42,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:42,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-13 13:16:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:42,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-13 13:16:42,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:42,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-13 13:16:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:42,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-13 13:16:42,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:42,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-13 13:16:42,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:42,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-11-13 13:16:42,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:42,851 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:16:42,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:16:42,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127345852] [2024-11-13 13:16:42,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127345852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:16:42,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:16:42,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:16:42,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819348853] [2024-11-13 13:16:42,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:16:42,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:16:42,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:16:42,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:16:42,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:16:42,855 INFO L87 Difference]: Start difference. First operand 2253 states and 3293 transitions. Second operand has 5 states, 5 states have (on average 124.4) internal successors, (622), 5 states have internal predecessors, (622), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:16:43,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:16:43,246 INFO L93 Difference]: Finished difference Result 4052 states and 5906 transitions. [2024-11-13 13:16:43,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:16:43,246 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 124.4) internal successors, (622), 5 states have internal predecessors, (622), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 669 [2024-11-13 13:16:43,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:16:43,249 INFO L225 Difference]: With dead ends: 4052 [2024-11-13 13:16:43,249 INFO L226 Difference]: Without dead ends: 2253 [2024-11-13 13:16:43,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:16:43,251 INFO L432 NwaCegarLoop]: 3164 mSDtfsCounter, 2910 mSDsluCounter, 3180 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2910 SdHoareTripleChecker+Valid, 6344 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:16:43,251 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2910 Valid, 6344 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:16:43,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2024-11-13 13:16:43,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2253. [2024-11-13 13:16:43,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 2241 states have (on average 1.460062472110665) internal successors, (3272), 2241 states have internal predecessors, (3272), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:16:43,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 3292 transitions. [2024-11-13 13:16:43,277 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 3292 transitions. Word has length 669 [2024-11-13 13:16:43,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:16:43,277 INFO L471 AbstractCegarLoop]: Abstraction has 2253 states and 3292 transitions. [2024-11-13 13:16:43,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 124.4) internal successors, (622), 5 states have internal predecessors, (622), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:16:43,277 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 3292 transitions. [2024-11-13 13:16:43,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 671 [2024-11-13 13:16:43,280 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:16:43,280 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:16:43,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2024-11-13 13:16:43,281 INFO L396 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:16:43,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:16:43,281 INFO L85 PathProgramCache]: Analyzing trace with hash 487978923, now seen corresponding path program 1 times [2024-11-13 13:16:43,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:16:43,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342547160] [2024-11-13 13:16:43,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:16:43,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:16:45,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:46,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:16:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:46,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:16:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:46,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:16:46,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:46,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-13 13:16:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:46,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-13 13:16:46,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:46,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-13 13:16:46,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:46,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-13 13:16:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:46,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-13 13:16:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:46,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-13 13:16:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:46,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-11-13 13:16:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:46,108 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:16:46,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:16:46,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342547160] [2024-11-13 13:16:46,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342547160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:16:46,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:16:46,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:16:46,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086063150] [2024-11-13 13:16:46,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:16:46,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:16:46,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:16:46,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:16:46,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:16:46,110 INFO L87 Difference]: Start difference. First operand 2253 states and 3292 transitions. Second operand has 5 states, 5 states have (on average 124.6) internal successors, (623), 5 states have internal predecessors, (623), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:16:46,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:16:46,439 INFO L93 Difference]: Finished difference Result 4052 states and 5904 transitions. [2024-11-13 13:16:46,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:16:46,440 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 124.6) internal successors, (623), 5 states have internal predecessors, (623), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 670 [2024-11-13 13:16:46,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:16:46,442 INFO L225 Difference]: With dead ends: 4052 [2024-11-13 13:16:46,442 INFO L226 Difference]: Without dead ends: 2253 [2024-11-13 13:16:46,444 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:16:46,444 INFO L432 NwaCegarLoop]: 3164 mSDtfsCounter, 2909 mSDsluCounter, 3180 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2909 SdHoareTripleChecker+Valid, 6344 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:16:46,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2909 Valid, 6344 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:16:46,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2024-11-13 13:16:46,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2253. [2024-11-13 13:16:46,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 2241 states have (on average 1.4596162427487729) internal successors, (3271), 2241 states have internal predecessors, (3271), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:16:46,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 3291 transitions. [2024-11-13 13:16:46,468 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 3291 transitions. Word has length 670 [2024-11-13 13:16:46,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:16:46,469 INFO L471 AbstractCegarLoop]: Abstraction has 2253 states and 3291 transitions. [2024-11-13 13:16:46,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 124.6) internal successors, (623), 5 states have internal predecessors, (623), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:16:46,469 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 3291 transitions. [2024-11-13 13:16:46,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 672 [2024-11-13 13:16:46,472 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:16:46,472 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:16:46,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2024-11-13 13:16:46,472 INFO L396 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:16:46,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:16:46,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1671001182, now seen corresponding path program 1 times [2024-11-13 13:16:46,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:16:46,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057136044] [2024-11-13 13:16:46,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:16:46,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:16:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:49,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:16:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:49,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:16:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:49,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:16:49,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:49,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-13 13:16:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:49,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-13 13:16:49,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:49,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-13 13:16:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:49,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-13 13:16:49,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:49,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-13 13:16:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:49,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-13 13:16:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:49,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-11-13 13:16:49,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:49,490 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:16:49,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:16:49,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057136044] [2024-11-13 13:16:49,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057136044] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:16:49,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:16:49,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:16:49,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260758802] [2024-11-13 13:16:49,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:16:49,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:16:49,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:16:49,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:16:49,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:16:49,493 INFO L87 Difference]: Start difference. First operand 2253 states and 3291 transitions. Second operand has 4 states, 4 states have (on average 156.0) internal successors, (624), 4 states have internal predecessors, (624), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:16:49,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:16:49,847 INFO L93 Difference]: Finished difference Result 4052 states and 5902 transitions. [2024-11-13 13:16:49,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:16:49,848 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 156.0) internal successors, (624), 4 states have internal predecessors, (624), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 671 [2024-11-13 13:16:49,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:16:49,851 INFO L225 Difference]: With dead ends: 4052 [2024-11-13 13:16:49,851 INFO L226 Difference]: Without dead ends: 2253 [2024-11-13 13:16:49,853 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 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 13:16:49,854 INFO L432 NwaCegarLoop]: 3164 mSDtfsCounter, 2725 mSDsluCounter, 3166 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2725 SdHoareTripleChecker+Valid, 6330 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:16:49,854 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2725 Valid, 6330 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:16:49,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2024-11-13 13:16:49,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2253. [2024-11-13 13:16:49,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 2241 states have (on average 1.4591700133868808) internal successors, (3270), 2241 states have internal predecessors, (3270), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:16:49,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 3290 transitions. [2024-11-13 13:16:49,897 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 3290 transitions. Word has length 671 [2024-11-13 13:16:49,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:16:49,902 INFO L471 AbstractCegarLoop]: Abstraction has 2253 states and 3290 transitions. [2024-11-13 13:16:49,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 156.0) internal successors, (624), 4 states have internal predecessors, (624), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:16:49,902 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 3290 transitions. [2024-11-13 13:16:49,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 673 [2024-11-13 13:16:49,910 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:16:49,911 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:16:49,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2024-11-13 13:16:49,915 INFO L396 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:16:49,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:16:49,916 INFO L85 PathProgramCache]: Analyzing trace with hash 624632652, now seen corresponding path program 1 times [2024-11-13 13:16:49,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:16:49,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119179653] [2024-11-13 13:16:49,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:16:49,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:16:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:55,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:16:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:55,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:16:55,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:55,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:16:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:55,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-13 13:16:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:55,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-13 13:16:55,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:55,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-13 13:16:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:55,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-13 13:16:55,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:55,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-13 13:16:55,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:55,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-13 13:16:55,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:55,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-11-13 13:16:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:55,190 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:16:55,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:16:55,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119179653] [2024-11-13 13:16:55,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119179653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:16:55,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:16:55,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 13:16:55,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128864251] [2024-11-13 13:16:55,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:16:55,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:16:55,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:16:55,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:16:55,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:16:55,193 INFO L87 Difference]: Start difference. First operand 2253 states and 3290 transitions. Second operand has 6 states, 6 states have (on average 104.16666666666667) internal successors, (625), 6 states have internal predecessors, (625), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 13:16:57,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:16:57,904 INFO L93 Difference]: Finished difference Result 5828 states and 8478 transitions. [2024-11-13 13:16:57,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:16:57,905 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 104.16666666666667) internal successors, (625), 6 states have internal predecessors, (625), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 672 [2024-11-13 13:16:57,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:16:57,908 INFO L225 Difference]: With dead ends: 5828 [2024-11-13 13:16:57,908 INFO L226 Difference]: Without dead ends: 4029 [2024-11-13 13:16:57,909 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:16:57,910 INFO L432 NwaCegarLoop]: 2501 mSDtfsCounter, 8057 mSDsluCounter, 7451 mSDsCounter, 0 mSdLazyCounter, 3169 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8074 SdHoareTripleChecker+Valid, 9952 SdHoareTripleChecker+Invalid, 3176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:16:57,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8074 Valid, 9952 Invalid, 3176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3169 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-13 13:16:57,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4029 states. [2024-11-13 13:16:57,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4029 to 2343. [2024-11-13 13:16:57,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2343 states, 2328 states have (on average 1.4591924398625429) internal successors, (3397), 2328 states have internal predecessors, (3397), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-13 13:16:57,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2343 states to 2343 states and 3423 transitions. [2024-11-13 13:16:57,960 INFO L78 Accepts]: Start accepts. Automaton has 2343 states and 3423 transitions. Word has length 672 [2024-11-13 13:16:57,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:16:57,960 INFO L471 AbstractCegarLoop]: Abstraction has 2343 states and 3423 transitions. [2024-11-13 13:16:57,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 104.16666666666667) internal successors, (625), 6 states have internal predecessors, (625), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 13:16:57,961 INFO L276 IsEmpty]: Start isEmpty. Operand 2343 states and 3423 transitions. [2024-11-13 13:16:57,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 674 [2024-11-13 13:16:57,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:16:57,965 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:16:57,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2024-11-13 13:16:57,966 INFO L396 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:16:57,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:16:57,966 INFO L85 PathProgramCache]: Analyzing trace with hash 173901930, now seen corresponding path program 1 times [2024-11-13 13:16:57,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:16:57,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866071700] [2024-11-13 13:16:57,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:16:57,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:04,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:17:04,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:04,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:17:04,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:04,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:17:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:04,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-13 13:17:04,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:04,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-11-13 13:17:04,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:04,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-11-13 13:17:04,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:04,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-11-13 13:17:04,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:04,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-11-13 13:17:04,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:04,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2024-11-13 13:17:04,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:04,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2024-11-13 13:17:04,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:04,807 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:17:04,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:04,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866071700] [2024-11-13 13:17:04,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866071700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:04,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:04,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:17:04,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311501316] [2024-11-13 13:17:04,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:04,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:17:04,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:04,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:17:04,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:17:04,810 INFO L87 Difference]: Start difference. First operand 2343 states and 3423 transitions. Second operand has 7 states, 7 states have (on average 89.42857142857143) internal successors, (626), 7 states have internal predecessors, (626), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 13:17:05,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:05,063 INFO L93 Difference]: Finished difference Result 4150 states and 6045 transitions. [2024-11-13 13:17:05,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:17:05,064 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 89.42857142857143) internal successors, (626), 7 states have internal predecessors, (626), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 673 [2024-11-13 13:17:05,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:05,067 INFO L225 Difference]: With dead ends: 4150 [2024-11-13 13:17:05,067 INFO L226 Difference]: Without dead ends: 2351 [2024-11-13 13:17:05,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:17:05,069 INFO L432 NwaCegarLoop]: 3255 mSDtfsCounter, 2992 mSDsluCounter, 12964 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2998 SdHoareTripleChecker+Valid, 16219 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:05,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2998 Valid, 16219 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:17:05,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2351 states. [2024-11-13 13:17:05,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2351 to 2348. [2024-11-13 13:17:05,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2348 states, 2333 states have (on average 1.458636948135448) internal successors, (3403), 2333 states have internal predecessors, (3403), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-13 13:17:05,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2348 states to 2348 states and 3429 transitions. [2024-11-13 13:17:05,101 INFO L78 Accepts]: Start accepts. Automaton has 2348 states and 3429 transitions. Word has length 673 [2024-11-13 13:17:05,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:05,101 INFO L471 AbstractCegarLoop]: Abstraction has 2348 states and 3429 transitions. [2024-11-13 13:17:05,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 89.42857142857143) internal successors, (626), 7 states have internal predecessors, (626), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 13:17:05,102 INFO L276 IsEmpty]: Start isEmpty. Operand 2348 states and 3429 transitions. [2024-11-13 13:17:05,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 675 [2024-11-13 13:17:05,105 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:05,105 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:17:05,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2024-11-13 13:17:05,105 INFO L396 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:17:05,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:05,106 INFO L85 PathProgramCache]: Analyzing trace with hash 389188883, now seen corresponding path program 1 times [2024-11-13 13:17:05,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:05,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686335841] [2024-11-13 13:17:05,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:05,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:06,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:17:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:06,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:17:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:06,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:17:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:06,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-13 13:17:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:06,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-11-13 13:17:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:06,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-11-13 13:17:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:06,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-11-13 13:17:06,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:06,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2024-11-13 13:17:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:06,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-11-13 13:17:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:06,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2024-11-13 13:17:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:06,805 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:17:06,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:06,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686335841] [2024-11-13 13:17:06,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686335841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:06,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:06,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 13:17:06,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502107015] [2024-11-13 13:17:06,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:06,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:17:06,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:06,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:17:06,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:17:06,809 INFO L87 Difference]: Start difference. First operand 2348 states and 3429 transitions. Second operand has 6 states, 6 states have (on average 104.5) internal successors, (627), 6 states have internal predecessors, (627), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 13:17:09,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:09,171 INFO L93 Difference]: Finished difference Result 4156 states and 6051 transitions. [2024-11-13 13:17:09,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:17:09,172 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 104.5) internal successors, (627), 6 states have internal predecessors, (627), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 674 [2024-11-13 13:17:09,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:09,175 INFO L225 Difference]: With dead ends: 4156 [2024-11-13 13:17:09,175 INFO L226 Difference]: Without dead ends: 2352 [2024-11-13 13:17:09,176 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:17:09,177 INFO L432 NwaCegarLoop]: 2501 mSDtfsCounter, 3239 mSDsluCounter, 7463 mSDsCounter, 0 mSdLazyCounter, 3169 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3248 SdHoareTripleChecker+Valid, 9964 SdHoareTripleChecker+Invalid, 3170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:09,177 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3248 Valid, 9964 Invalid, 3170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3169 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-13 13:17:09,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2352 states. [2024-11-13 13:17:09,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2352 to 2350. [2024-11-13 13:17:09,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2350 states, 2335 states have (on average 1.4582441113490363) internal successors, (3405), 2335 states have internal predecessors, (3405), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-13 13:17:09,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2350 states to 2350 states and 3431 transitions. [2024-11-13 13:17:09,207 INFO L78 Accepts]: Start accepts. Automaton has 2350 states and 3431 transitions. Word has length 674 [2024-11-13 13:17:09,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:09,207 INFO L471 AbstractCegarLoop]: Abstraction has 2350 states and 3431 transitions. [2024-11-13 13:17:09,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 104.5) internal successors, (627), 6 states have internal predecessors, (627), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 13:17:09,208 INFO L276 IsEmpty]: Start isEmpty. Operand 2350 states and 3431 transitions. [2024-11-13 13:17:09,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 675 [2024-11-13 13:17:09,212 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:09,213 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:17:09,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2024-11-13 13:17:09,213 INFO L396 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:17:09,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:09,213 INFO L85 PathProgramCache]: Analyzing trace with hash -172226171, now seen corresponding path program 1 times [2024-11-13 13:17:09,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:09,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847096476] [2024-11-13 13:17:09,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:09,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:10,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:17:10,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:10,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:17:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:10,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:17:10,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:10,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-13 13:17:10,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:10,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-11-13 13:17:10,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:10,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-11-13 13:17:10,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:10,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-11-13 13:17:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:10,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2024-11-13 13:17:10,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:10,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-11-13 13:17:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:10,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2024-11-13 13:17:10,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:10,709 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:17:10,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:10,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847096476] [2024-11-13 13:17:10,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847096476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:10,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:10,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:17:10,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613916038] [2024-11-13 13:17:10,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:10,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:17:10,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:10,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:17:10,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:17:10,712 INFO L87 Difference]: Start difference. First operand 2350 states and 3431 transitions. Second operand has 4 states, 4 states have (on average 156.75) internal successors, (627), 4 states have internal predecessors, (627), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 13:17:10,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:10,835 INFO L93 Difference]: Finished difference Result 4158 states and 6052 transitions. [2024-11-13 13:17:10,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:17:10,836 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 156.75) internal successors, (627), 4 states have internal predecessors, (627), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 674 [2024-11-13 13:17:10,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:10,838 INFO L225 Difference]: With dead ends: 4158 [2024-11-13 13:17:10,838 INFO L226 Difference]: Without dead ends: 2352 [2024-11-13 13:17:10,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:17:10,840 INFO L432 NwaCegarLoop]: 3282 mSDtfsCounter, 0 mSDsluCounter, 6541 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9823 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:10,841 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9823 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:17:10,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2352 states. [2024-11-13 13:17:10,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2352 to 2352. [2024-11-13 13:17:10,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2352 states, 2337 states have (on average 1.457851946940522) internal successors, (3407), 2337 states have internal predecessors, (3407), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-13 13:17:10,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2352 states to 2352 states and 3433 transitions. [2024-11-13 13:17:10,886 INFO L78 Accepts]: Start accepts. Automaton has 2352 states and 3433 transitions. Word has length 674 [2024-11-13 13:17:10,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:10,886 INFO L471 AbstractCegarLoop]: Abstraction has 2352 states and 3433 transitions. [2024-11-13 13:17:10,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 156.75) internal successors, (627), 4 states have internal predecessors, (627), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 13:17:10,887 INFO L276 IsEmpty]: Start isEmpty. Operand 2352 states and 3433 transitions. [2024-11-13 13:17:10,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 676 [2024-11-13 13:17:10,891 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:10,892 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:17:10,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2024-11-13 13:17:10,892 INFO L396 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:17:10,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:10,893 INFO L85 PathProgramCache]: Analyzing trace with hash -543529967, now seen corresponding path program 1 times [2024-11-13 13:17:10,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:10,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210138934] [2024-11-13 13:17:10,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:10,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:14,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:16,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:17:16,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:16,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:17:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:16,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:17:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:16,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-13 13:17:16,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:16,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-11-13 13:17:16,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:16,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-11-13 13:17:16,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:16,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-11-13 13:17:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:16,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-11-13 13:17:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:16,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2024-11-13 13:17:16,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:16,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-11-13 13:17:16,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:16,967 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:17:16,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:16,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210138934] [2024-11-13 13:17:16,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210138934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:16,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:16,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 13:17:16,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230567452] [2024-11-13 13:17:16,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:16,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:17:16,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:16,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:17:16,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:17:16,970 INFO L87 Difference]: Start difference. First operand 2352 states and 3433 transitions. Second operand has 6 states, 6 states have (on average 104.66666666666667) internal successors, (628), 6 states have internal predecessors, (628), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 13:17:17,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:17,165 INFO L93 Difference]: Finished difference Result 4205 states and 6115 transitions. [2024-11-13 13:17:17,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:17:17,166 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 104.66666666666667) internal successors, (628), 6 states have internal predecessors, (628), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 675 [2024-11-13 13:17:17,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:17,171 INFO L225 Difference]: With dead ends: 4205 [2024-11-13 13:17:17,171 INFO L226 Difference]: Without dead ends: 2397 [2024-11-13 13:17:17,173 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:17:17,174 INFO L432 NwaCegarLoop]: 3305 mSDtfsCounter, 42 mSDsluCounter, 13167 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 16472 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:17,174 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 16472 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:17:17,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2397 states. [2024-11-13 13:17:17,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2397 to 2376. [2024-11-13 13:17:17,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2376 states, 2360 states have (on average 1.4572033898305086) internal successors, (3439), 2360 states have internal predecessors, (3439), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-13 13:17:17,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 2376 states and 3467 transitions. [2024-11-13 13:17:17,219 INFO L78 Accepts]: Start accepts. Automaton has 2376 states and 3467 transitions. Word has length 675 [2024-11-13 13:17:17,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:17,219 INFO L471 AbstractCegarLoop]: Abstraction has 2376 states and 3467 transitions. [2024-11-13 13:17:17,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 104.66666666666667) internal successors, (628), 6 states have internal predecessors, (628), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 13:17:17,220 INFO L276 IsEmpty]: Start isEmpty. Operand 2376 states and 3467 transitions. [2024-11-13 13:17:17,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 676 [2024-11-13 13:17:17,224 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:17,225 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:17:17,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2024-11-13 13:17:17,225 INFO L396 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:17:17,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:17,225 INFO L85 PathProgramCache]: Analyzing trace with hash 28386289, now seen corresponding path program 1 times [2024-11-13 13:17:17,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:17,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126402280] [2024-11-13 13:17:17,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:17,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:21,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:17:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:21,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:17:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:21,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:17:21,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:21,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-13 13:17:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:21,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-11-13 13:17:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:21,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-11-13 13:17:21,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:21,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-11-13 13:17:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:21,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-11-13 13:17:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:21,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2024-11-13 13:17:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:21,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-11-13 13:17:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:21,419 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:17:21,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:21,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126402280] [2024-11-13 13:17:21,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126402280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:21,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:21,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:17:21,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614300269] [2024-11-13 13:17:21,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:21,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:17:21,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:21,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:17:21,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:17:21,422 INFO L87 Difference]: Start difference. First operand 2376 states and 3467 transitions. Second operand has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 13:17:21,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:21,554 INFO L93 Difference]: Finished difference Result 4206 states and 6119 transitions. [2024-11-13 13:17:21,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:17:21,555 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 675 [2024-11-13 13:17:21,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:21,559 INFO L225 Difference]: With dead ends: 4206 [2024-11-13 13:17:21,559 INFO L226 Difference]: Without dead ends: 2374 [2024-11-13 13:17:21,561 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 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 13:17:21,561 INFO L432 NwaCegarLoop]: 3259 mSDtfsCounter, 2978 mSDsluCounter, 3271 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2984 SdHoareTripleChecker+Valid, 6530 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:21,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2984 Valid, 6530 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:17:21,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2374 states. [2024-11-13 13:17:21,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2374 to 2374. [2024-11-13 13:17:21,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2374 states, 2358 states have (on average 1.457167090754877) internal successors, (3436), 2358 states have internal predecessors, (3436), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-13 13:17:21,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2374 states to 2374 states and 3464 transitions. [2024-11-13 13:17:21,670 INFO L78 Accepts]: Start accepts. Automaton has 2374 states and 3464 transitions. Word has length 675 [2024-11-13 13:17:21,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:21,671 INFO L471 AbstractCegarLoop]: Abstraction has 2374 states and 3464 transitions. [2024-11-13 13:17:21,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 13:17:21,671 INFO L276 IsEmpty]: Start isEmpty. Operand 2374 states and 3464 transitions. [2024-11-13 13:17:21,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 676 [2024-11-13 13:17:21,676 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:21,676 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:17:21,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2024-11-13 13:17:21,677 INFO L396 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:17:21,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:21,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1507658867, now seen corresponding path program 1 times [2024-11-13 13:17:21,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:21,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067793355] [2024-11-13 13:17:21,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:21,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:25,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:27,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:17:27,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:27,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:17:27,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:27,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:17:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:27,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-13 13:17:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:27,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-11-13 13:17:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:27,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-11-13 13:17:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:27,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-11-13 13:17:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:27,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-11-13 13:17:27,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:27,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2024-11-13 13:17:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:27,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-11-13 13:17:27,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:27,943 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:17:27,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:27,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067793355] [2024-11-13 13:17:27,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067793355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:27,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:27,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:17:27,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313436993] [2024-11-13 13:17:27,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:27,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:17:27,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:27,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:17:27,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:17:27,946 INFO L87 Difference]: Start difference. First operand 2374 states and 3464 transitions. Second operand has 7 states, 7 states have (on average 89.71428571428571) internal successors, (628), 7 states have internal predecessors, (628), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 13:17:28,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:28,196 INFO L93 Difference]: Finished difference Result 4212 states and 6127 transitions. [2024-11-13 13:17:28,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:17:28,197 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 89.71428571428571) internal successors, (628), 7 states have internal predecessors, (628), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 675 [2024-11-13 13:17:28,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:28,200 INFO L225 Difference]: With dead ends: 4212 [2024-11-13 13:17:28,200 INFO L226 Difference]: Without dead ends: 2382 [2024-11-13 13:17:28,201 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:17:28,202 INFO L432 NwaCegarLoop]: 3254 mSDtfsCounter, 2976 mSDsluCounter, 12988 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2981 SdHoareTripleChecker+Valid, 16242 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:28,202 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2981 Valid, 16242 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:17:28,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2382 states. [2024-11-13 13:17:28,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2382 to 2379. [2024-11-13 13:17:28,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2379 states, 2363 states have (on average 1.456622936944562) internal successors, (3442), 2363 states have internal predecessors, (3442), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-13 13:17:28,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2379 states to 2379 states and 3470 transitions. [2024-11-13 13:17:28,230 INFO L78 Accepts]: Start accepts. Automaton has 2379 states and 3470 transitions. Word has length 675 [2024-11-13 13:17:28,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:28,231 INFO L471 AbstractCegarLoop]: Abstraction has 2379 states and 3470 transitions. [2024-11-13 13:17:28,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 89.71428571428571) internal successors, (628), 7 states have internal predecessors, (628), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 13:17:28,231 INFO L276 IsEmpty]: Start isEmpty. Operand 2379 states and 3470 transitions. [2024-11-13 13:17:28,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 677 [2024-11-13 13:17:28,236 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:28,236 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:17:28,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2024-11-13 13:17:28,236 INFO L396 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:17:28,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:28,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1473916565, now seen corresponding path program 1 times [2024-11-13 13:17:28,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:28,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645884354] [2024-11-13 13:17:28,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:28,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:29,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:17:29,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:29,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:17:29,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:29,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:17:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:29,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-13 13:17:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:29,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-11-13 13:17:29,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:29,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-13 13:17:29,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:29,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-11-13 13:17:29,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:29,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2024-11-13 13:17:29,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:29,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2024-11-13 13:17:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:29,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-11-13 13:17:29,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:29,859 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:17:29,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:29,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645884354] [2024-11-13 13:17:29,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645884354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:29,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:29,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:17:29,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668690621] [2024-11-13 13:17:29,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:29,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:17:29,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:29,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:17:29,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:17:29,862 INFO L87 Difference]: Start difference. First operand 2379 states and 3470 transitions. Second operand has 4 states, 4 states have (on average 157.25) internal successors, (629), 4 states have internal predecessors, (629), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 13:17:29,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:29,957 INFO L93 Difference]: Finished difference Result 4216 states and 6130 transitions. [2024-11-13 13:17:29,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:17:29,958 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 157.25) internal successors, (629), 4 states have internal predecessors, (629), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 676 [2024-11-13 13:17:29,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:29,960 INFO L225 Difference]: With dead ends: 4216 [2024-11-13 13:17:29,961 INFO L226 Difference]: Without dead ends: 2381 [2024-11-13 13:17:29,962 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:17:29,962 INFO L432 NwaCegarLoop]: 3281 mSDtfsCounter, 0 mSDsluCounter, 6539 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9820 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:29,962 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9820 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:17:29,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2381 states. [2024-11-13 13:17:29,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2381 to 2381. [2024-11-13 13:17:29,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2381 states, 2365 states have (on average 1.4562367864693446) internal successors, (3444), 2365 states have internal predecessors, (3444), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-13 13:17:29,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 2381 states and 3472 transitions. [2024-11-13 13:17:29,990 INFO L78 Accepts]: Start accepts. Automaton has 2381 states and 3472 transitions. Word has length 676 [2024-11-13 13:17:29,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:29,991 INFO L471 AbstractCegarLoop]: Abstraction has 2381 states and 3472 transitions. [2024-11-13 13:17:29,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 157.25) internal successors, (629), 4 states have internal predecessors, (629), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 13:17:29,991 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 3472 transitions. [2024-11-13 13:17:29,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 677 [2024-11-13 13:17:29,994 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:29,994 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:17:29,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2024-11-13 13:17:29,994 INFO L396 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:17:29,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:29,994 INFO L85 PathProgramCache]: Analyzing trace with hash 402731257, now seen corresponding path program 1 times [2024-11-13 13:17:29,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:29,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410466470] [2024-11-13 13:17:29,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:29,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:30,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:31,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:17:31,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:31,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:17:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:31,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:17:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:31,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-13 13:17:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:31,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-11-13 13:17:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:31,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-13 13:17:31,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:31,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-11-13 13:17:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:31,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2024-11-13 13:17:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:31,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2024-11-13 13:17:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:31,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-11-13 13:17:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:31,368 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:17:31,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:31,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410466470] [2024-11-13 13:17:31,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410466470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:31,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:31,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 13:17:31,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227931029] [2024-11-13 13:17:31,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:31,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:17:31,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:31,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:17:31,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:17:31,370 INFO L87 Difference]: Start difference. First operand 2381 states and 3472 transitions. Second operand has 6 states, 6 states have (on average 104.83333333333333) internal successors, (629), 6 states have internal predecessors, (629), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 13:17:33,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:33,515 INFO L93 Difference]: Finished difference Result 4222 states and 6137 transitions. [2024-11-13 13:17:33,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:17:33,516 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 104.83333333333333) internal successors, (629), 6 states have internal predecessors, (629), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 676 [2024-11-13 13:17:33,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:33,519 INFO L225 Difference]: With dead ends: 4222 [2024-11-13 13:17:33,519 INFO L226 Difference]: Without dead ends: 2385 [2024-11-13 13:17:33,520 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:17:33,521 INFO L432 NwaCegarLoop]: 2500 mSDtfsCounter, 3223 mSDsluCounter, 7474 mSDsCounter, 0 mSdLazyCounter, 3169 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3231 SdHoareTripleChecker+Valid, 9974 SdHoareTripleChecker+Invalid, 3170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:33,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3231 Valid, 9974 Invalid, 3170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3169 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-13 13:17:33,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2385 states. [2024-11-13 13:17:33,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2385 to 2383. [2024-11-13 13:17:33,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2383 states, 2367 states have (on average 1.4558512885509083) internal successors, (3446), 2367 states have internal predecessors, (3446), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-13 13:17:33,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2383 states to 2383 states and 3474 transitions. [2024-11-13 13:17:33,550 INFO L78 Accepts]: Start accepts. Automaton has 2383 states and 3474 transitions. Word has length 676 [2024-11-13 13:17:33,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:33,550 INFO L471 AbstractCegarLoop]: Abstraction has 2383 states and 3474 transitions. [2024-11-13 13:17:33,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 104.83333333333333) internal successors, (629), 6 states have internal predecessors, (629), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 13:17:33,551 INFO L276 IsEmpty]: Start isEmpty. Operand 2383 states and 3474 transitions. [2024-11-13 13:17:33,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 678 [2024-11-13 13:17:33,553 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:33,554 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:17:33,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2024-11-13 13:17:33,554 INFO L396 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:17:33,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:33,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1057611024, now seen corresponding path program 1 times [2024-11-13 13:17:33,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:33,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802486235] [2024-11-13 13:17:33,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:33,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:38,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:17:38,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:38,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:17:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:38,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:17:38,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:38,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-13 13:17:38,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:38,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-11-13 13:17:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:38,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-13 13:17:38,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:38,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-11-13 13:17:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:38,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2024-11-13 13:17:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:38,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2024-11-13 13:17:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:38,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2024-11-13 13:17:38,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:38,561 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:17:38,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:38,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802486235] [2024-11-13 13:17:38,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802486235] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:38,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:38,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 13:17:38,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856475912] [2024-11-13 13:17:38,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:38,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:17:38,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:38,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:17:38,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:17:38,564 INFO L87 Difference]: Start difference. First operand 2383 states and 3474 transitions. Second operand has 10 states, 10 states have (on average 63.0) internal successors, (630), 10 states have internal predecessors, (630), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 13:17:42,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:42,899 INFO L93 Difference]: Finished difference Result 5943 states and 8623 transitions. [2024-11-13 13:17:42,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 13:17:42,900 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 63.0) internal successors, (630), 10 states have internal predecessors, (630), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 677 [2024-11-13 13:17:42,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:42,905 INFO L225 Difference]: With dead ends: 5943 [2024-11-13 13:17:42,905 INFO L226 Difference]: Without dead ends: 4104 [2024-11-13 13:17:42,907 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-13 13:17:42,908 INFO L432 NwaCegarLoop]: 2496 mSDtfsCounter, 7974 mSDsluCounter, 17313 mSDsCounter, 0 mSdLazyCounter, 6568 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7987 SdHoareTripleChecker+Valid, 19809 SdHoareTripleChecker+Invalid, 6573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 6568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:42,908 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7987 Valid, 19809 Invalid, 6573 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 6568 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-13 13:17:42,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4104 states. [2024-11-13 13:17:42,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4104 to 2499. [2024-11-13 13:17:42,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2499 states, 2478 states have (on average 1.4523809523809523) internal successors, (3599), 2478 states have internal predecessors, (3599), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-13 13:17:42,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2499 states to 2499 states and 3637 transitions. [2024-11-13 13:17:42,952 INFO L78 Accepts]: Start accepts. Automaton has 2499 states and 3637 transitions. Word has length 677 [2024-11-13 13:17:42,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:42,952 INFO L471 AbstractCegarLoop]: Abstraction has 2499 states and 3637 transitions. [2024-11-13 13:17:42,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 63.0) internal successors, (630), 10 states have internal predecessors, (630), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 13:17:42,953 INFO L276 IsEmpty]: Start isEmpty. Operand 2499 states and 3637 transitions. [2024-11-13 13:17:42,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 679 [2024-11-13 13:17:42,957 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:42,958 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:17:42,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2024-11-13 13:17:42,958 INFO L396 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:17:42,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:42,959 INFO L85 PathProgramCache]: Analyzing trace with hash -600011976, now seen corresponding path program 1 times [2024-11-13 13:17:42,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:42,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630878368] [2024-11-13 13:17:42,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:42,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:46,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:17:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:46,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:17:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:46,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:17:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:46,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-13 13:17:46,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:46,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-11-13 13:17:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:46,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-13 13:17:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:46,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-11-13 13:17:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:46,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-11-13 13:17:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:46,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2024-11-13 13:17:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:46,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2024-11-13 13:17:46,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:46,374 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:17:46,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:46,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630878368] [2024-11-13 13:17:46,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630878368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:46,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:46,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:17:46,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239157213] [2024-11-13 13:17:46,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:46,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:17:46,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:46,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:17:46,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:17:46,376 INFO L87 Difference]: Start difference. First operand 2499 states and 3637 transitions. Second operand has 5 states, 5 states have (on average 126.2) internal successors, (631), 5 states have internal predecessors, (631), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 13:17:48,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:48,072 INFO L93 Difference]: Finished difference Result 4458 states and 6467 transitions. [2024-11-13 13:17:48,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:17:48,073 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 126.2) internal successors, (631), 5 states have internal predecessors, (631), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 678 [2024-11-13 13:17:48,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:48,075 INFO L225 Difference]: With dead ends: 4458 [2024-11-13 13:17:48,076 INFO L226 Difference]: Without dead ends: 2503 [2024-11-13 13:17:48,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 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 13:17:48,078 INFO L432 NwaCegarLoop]: 2502 mSDtfsCounter, 3089 mSDsluCounter, 4962 mSDsCounter, 0 mSdLazyCounter, 2370 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3092 SdHoareTripleChecker+Valid, 7464 SdHoareTripleChecker+Invalid, 2371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:48,078 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3092 Valid, 7464 Invalid, 2371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2370 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-13 13:17:48,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2503 states. [2024-11-13 13:17:48,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2503 to 2501. [2024-11-13 13:17:48,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2501 states, 2480 states have (on average 1.452016129032258) internal successors, (3601), 2480 states have internal predecessors, (3601), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-13 13:17:48,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2501 states to 2501 states and 3639 transitions. [2024-11-13 13:17:48,111 INFO L78 Accepts]: Start accepts. Automaton has 2501 states and 3639 transitions. Word has length 678 [2024-11-13 13:17:48,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:48,112 INFO L471 AbstractCegarLoop]: Abstraction has 2501 states and 3639 transitions. [2024-11-13 13:17:48,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 126.2) internal successors, (631), 5 states have internal predecessors, (631), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 13:17:48,112 INFO L276 IsEmpty]: Start isEmpty. Operand 2501 states and 3639 transitions. [2024-11-13 13:17:48,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 680 [2024-11-13 13:17:48,115 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:48,115 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:17:48,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2024-11-13 13:17:48,115 INFO L396 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:17:48,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:48,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1020714778, now seen corresponding path program 1 times [2024-11-13 13:17:48,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:48,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779177] [2024-11-13 13:17:48,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:48,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:51,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:53,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:17:53,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:53,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:17:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:53,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:17:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:53,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-13 13:17:53,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:53,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-11-13 13:17:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:53,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-13 13:17:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:53,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-11-13 13:17:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:53,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-11-13 13:17:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:53,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2024-11-13 13:17:53,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:53,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2024-11-13 13:17:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:53,967 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:17:53,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:53,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779177] [2024-11-13 13:17:53,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:53,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:53,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:17:53,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878322137] [2024-11-13 13:17:53,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:53,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:17:53,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:53,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:17:53,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:17:53,970 INFO L87 Difference]: Start difference. First operand 2501 states and 3639 transitions. Second operand has 8 states, 8 states have (on average 79.0) internal successors, (632), 8 states have internal predecessors, (632), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 13:17:54,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:54,461 INFO L93 Difference]: Finished difference Result 8161 states and 11815 transitions. [2024-11-13 13:17:54,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:17:54,462 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 79.0) internal successors, (632), 8 states have internal predecessors, (632), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 679 [2024-11-13 13:17:54,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:54,470 INFO L225 Difference]: With dead ends: 8161 [2024-11-13 13:17:54,470 INFO L226 Difference]: Without dead ends: 6204 [2024-11-13 13:17:54,473 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:17:54,474 INFO L432 NwaCegarLoop]: 3314 mSDtfsCounter, 12528 mSDsluCounter, 16370 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12546 SdHoareTripleChecker+Valid, 19684 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:54,474 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12546 Valid, 19684 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:17:54,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6204 states. [2024-11-13 13:17:54,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6204 to 2933. [2024-11-13 13:17:54,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2933 states, 2895 states have (on average 1.4466321243523317) internal successors, (4188), 2895 states have internal predecessors, (4188), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-13 13:17:54,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2933 states to 2933 states and 4260 transitions. [2024-11-13 13:17:54,534 INFO L78 Accepts]: Start accepts. Automaton has 2933 states and 4260 transitions. Word has length 679 [2024-11-13 13:17:54,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:54,535 INFO L471 AbstractCegarLoop]: Abstraction has 2933 states and 4260 transitions. [2024-11-13 13:17:54,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 79.0) internal successors, (632), 8 states have internal predecessors, (632), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 13:17:54,535 INFO L276 IsEmpty]: Start isEmpty. Operand 2933 states and 4260 transitions. [2024-11-13 13:17:54,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 681 [2024-11-13 13:17:54,538 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:54,538 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:17:54,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2024-11-13 13:17:54,539 INFO L396 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:17:54,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:54,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1312663384, now seen corresponding path program 1 times [2024-11-13 13:17:54,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:54,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646644158] [2024-11-13 13:17:54,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:54,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:55,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:55,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:17:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:55,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:17:55,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:55,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:17:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:55,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-13 13:17:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:55,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-13 13:17:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:55,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-13 13:17:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:55,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-13 13:17:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:55,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-11-13 13:17:55,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:55,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2024-11-13 13:17:55,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:55,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2024-11-13 13:17:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:55,943 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:17:55,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:55,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646644158] [2024-11-13 13:17:55,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646644158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:55,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:55,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 13:17:55,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844624832] [2024-11-13 13:17:55,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:55,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:17:55,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:55,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:17:55,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:17:55,945 INFO L87 Difference]: Start difference. First operand 2933 states and 4260 transitions. Second operand has 6 states, 6 states have (on average 105.5) internal successors, (633), 6 states have internal predecessors, (633), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 13:17:58,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:58,047 INFO L93 Difference]: Finished difference Result 5003 states and 7244 transitions. [2024-11-13 13:17:58,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:17:58,048 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 105.5) internal successors, (633), 6 states have internal predecessors, (633), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 680 [2024-11-13 13:17:58,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:58,052 INFO L225 Difference]: With dead ends: 5003 [2024-11-13 13:17:58,052 INFO L226 Difference]: Without dead ends: 2941 [2024-11-13 13:17:58,054 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:17:58,054 INFO L432 NwaCegarLoop]: 2498 mSDtfsCounter, 3255 mSDsluCounter, 7441 mSDsCounter, 0 mSdLazyCounter, 3206 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3265 SdHoareTripleChecker+Valid, 9939 SdHoareTripleChecker+Invalid, 3208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:58,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3265 Valid, 9939 Invalid, 3208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3206 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-13 13:17:58,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2941 states. [2024-11-13 13:17:58,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2941 to 2937. [2024-11-13 13:17:58,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2937 states, 2899 states have (on average 1.4460158675405312) internal successors, (4192), 2899 states have internal predecessors, (4192), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-13 13:17:58,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 2937 states and 4264 transitions. [2024-11-13 13:17:58,106 INFO L78 Accepts]: Start accepts. Automaton has 2937 states and 4264 transitions. Word has length 680 [2024-11-13 13:17:58,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:58,106 INFO L471 AbstractCegarLoop]: Abstraction has 2937 states and 4264 transitions. [2024-11-13 13:17:58,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 105.5) internal successors, (633), 6 states have internal predecessors, (633), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 13:17:58,106 INFO L276 IsEmpty]: Start isEmpty. Operand 2937 states and 4264 transitions. [2024-11-13 13:17:58,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 681 [2024-11-13 13:17:58,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:58,112 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:17:58,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2024-11-13 13:17:58,112 INFO L396 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:17:58,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:58,113 INFO L85 PathProgramCache]: Analyzing trace with hash -834104463, now seen corresponding path program 1 times [2024-11-13 13:17:58,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:58,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127843997] [2024-11-13 13:17:58,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:58,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:00,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-13 13:18:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:00,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-13 13:18:00,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:00,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-13 13:18:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:00,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-11-13 13:18:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:00,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-13 13:18:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:00,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-11-13 13:18:00,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:00,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-11-13 13:18:00,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:00,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-11-13 13:18:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:00,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2024-11-13 13:18:00,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:00,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2024-11-13 13:18:00,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:00,265 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:18:00,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:00,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127843997] [2024-11-13 13:18:00,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127843997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:00,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:00,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:18:00,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986135692] [2024-11-13 13:18:00,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:00,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:18:00,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:00,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:18:00,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:18:00,268 INFO L87 Difference]: Start difference. First operand 2937 states and 4264 transitions. Second operand has 7 states, 7 states have (on average 90.42857142857143) internal successors, (633), 7 states have internal predecessors, (633), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 13:18:03,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:03,837 INFO L93 Difference]: Finished difference Result 6731 states and 9738 transitions. [2024-11-13 13:18:03,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:18:03,838 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 90.42857142857143) internal successors, (633), 7 states have internal predecessors, (633), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 680 [2024-11-13 13:18:03,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:03,842 INFO L225 Difference]: With dead ends: 6731 [2024-11-13 13:18:03,842 INFO L226 Difference]: Without dead ends: 4772 [2024-11-13 13:18:03,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:18:03,845 INFO L432 NwaCegarLoop]: 4171 mSDtfsCounter, 7927 mSDsluCounter, 10790 mSDsCounter, 0 mSdLazyCounter, 5181 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7937 SdHoareTripleChecker+Valid, 14961 SdHoareTripleChecker+Invalid, 5182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:03,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7937 Valid, 14961 Invalid, 5182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5181 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-13 13:18:03,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4772 states. [2024-11-13 13:18:03,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4772 to 3225. [2024-11-13 13:18:03,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3225 states, 3173 states have (on average 1.441222817522849) internal successors, (4573), 3173 states have internal predecessors, (4573), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-13 13:18:03,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3225 states to 3225 states and 4673 transitions. [2024-11-13 13:18:03,937 INFO L78 Accepts]: Start accepts. Automaton has 3225 states and 4673 transitions. Word has length 680 [2024-11-13 13:18:03,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:03,938 INFO L471 AbstractCegarLoop]: Abstraction has 3225 states and 4673 transitions. [2024-11-13 13:18:03,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 90.42857142857143) internal successors, (633), 7 states have internal predecessors, (633), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 13:18:03,938 INFO L276 IsEmpty]: Start isEmpty. Operand 3225 states and 4673 transitions. [2024-11-13 13:18:03,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 681 [2024-11-13 13:18:03,942 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:03,942 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:18:03,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2024-11-13 13:18:03,942 INFO L396 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:18:03,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:03,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1348289794, now seen corresponding path program 1 times [2024-11-13 13:18:03,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:03,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846345414] [2024-11-13 13:18:03,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:03,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:10,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-13 13:18:10,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:10,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-13 13:18:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:10,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-13 13:18:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:10,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-13 13:18:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:10,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-13 13:18:10,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:10,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-13 13:18:10,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:10,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-13 13:18:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:10,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-11-13 13:18:10,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:10,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2024-11-13 13:18:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:10,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2024-11-13 13:18:10,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:10,692 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 13:18:10,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:10,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846345414] [2024-11-13 13:18:10,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846345414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:10,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:10,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 13:18:10,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899312089] [2024-11-13 13:18:10,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:10,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:18:10,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:10,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:18:10,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:18:10,694 INFO L87 Difference]: Start difference. First operand 3225 states and 4673 transitions. Second operand has 6 states, 6 states have (on average 105.5) internal successors, (633), 6 states have internal predecessors, (633), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:18:10,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:10,980 INFO L93 Difference]: Finished difference Result 6292 states and 9038 transitions. [2024-11-13 13:18:10,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:18:10,981 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 105.5) internal successors, (633), 6 states have internal predecessors, (633), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 680 [2024-11-13 13:18:10,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:10,985 INFO L225 Difference]: With dead ends: 6292 [2024-11-13 13:18:10,985 INFO L226 Difference]: Without dead ends: 4165 [2024-11-13 13:18:10,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:18:10,988 INFO L432 NwaCegarLoop]: 3256 mSDtfsCounter, 4816 mSDsluCounter, 9762 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4826 SdHoareTripleChecker+Valid, 13018 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:10,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4826 Valid, 13018 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:18:10,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4165 states. [2024-11-13 13:18:11,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4165 to 4165. [2024-11-13 13:18:11,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4165 states, 4089 states have (on average 1.4233308877476156) internal successors, (5820), 4089 states have internal predecessors, (5820), 74 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-13 13:18:11,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4165 states to 4165 states and 5968 transitions. [2024-11-13 13:18:11,113 INFO L78 Accepts]: Start accepts. Automaton has 4165 states and 5968 transitions. Word has length 680 [2024-11-13 13:18:11,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:11,114 INFO L471 AbstractCegarLoop]: Abstraction has 4165 states and 5968 transitions. [2024-11-13 13:18:11,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 105.5) internal successors, (633), 6 states have internal predecessors, (633), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 13:18:11,114 INFO L276 IsEmpty]: Start isEmpty. Operand 4165 states and 5968 transitions. [2024-11-13 13:18:11,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1713 [2024-11-13 13:18:11,135 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:11,136 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:18:11,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2024-11-13 13:18:11,137 INFO L396 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:18:11,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:11,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1704089228, now seen corresponding path program 1 times [2024-11-13 13:18:11,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:11,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808098497] [2024-11-13 13:18:11,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:11,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:18,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-13 13:18:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:18,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-13 13:18:18,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:18,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-13 13:18:18,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:18,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-13 13:18:18,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:18,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-13 13:18:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:18,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-13 13:18:18,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:18,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-13 13:18:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:18,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-11-13 13:18:18,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:18,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2024-11-13 13:18:18,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:18,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2024-11-13 13:18:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:18,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2024-11-13 13:18:18,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:18,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1289 [2024-11-13 13:18:18,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:18,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1303 [2024-11-13 13:18:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:18,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1322 [2024-11-13 13:18:18,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:18,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1343 [2024-11-13 13:18:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:18,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1361 [2024-11-13 13:18:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:18,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1371 [2024-11-13 13:18:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:18,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1384 [2024-11-13 13:18:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:18,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1396 [2024-11-13 13:18:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:18,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1408 [2024-11-13 13:18:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:18,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 407 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 13:18:18,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:18,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808098497] [2024-11-13 13:18:18,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808098497] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:18,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:18,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:18:18,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523985461] [2024-11-13 13:18:18,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:18,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:18:18,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:18,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:18:18,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:18:18,669 INFO L87 Difference]: Start difference. First operand 4165 states and 5968 transitions. Second operand has 5 states, 5 states have (on average 323.0) internal successors, (1615), 5 states have internal predecessors, (1615), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 13:18:19,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:19,284 INFO L93 Difference]: Finished difference Result 6292 states and 9037 transitions. [2024-11-13 13:18:19,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:18:19,285 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 323.0) internal successors, (1615), 5 states have internal predecessors, (1615), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1712 [2024-11-13 13:18:19,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:19,289 INFO L225 Difference]: With dead ends: 6292 [2024-11-13 13:18:19,289 INFO L226 Difference]: Without dead ends: 4165 [2024-11-13 13:18:19,291 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:18:19,292 INFO L432 NwaCegarLoop]: 3067 mSDtfsCounter, 2930 mSDsluCounter, 3083 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2940 SdHoareTripleChecker+Valid, 6150 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:19,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2940 Valid, 6150 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:18:19,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4165 states. [2024-11-13 13:18:19,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4165 to 4165. [2024-11-13 13:18:19,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4165 states, 4089 states have (on average 1.4230863291758375) internal successors, (5819), 4089 states have internal predecessors, (5819), 74 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-13 13:18:19,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4165 states to 4165 states and 5967 transitions. [2024-11-13 13:18:19,407 INFO L78 Accepts]: Start accepts. Automaton has 4165 states and 5967 transitions. Word has length 1712 [2024-11-13 13:18:19,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:19,408 INFO L471 AbstractCegarLoop]: Abstraction has 4165 states and 5967 transitions. [2024-11-13 13:18:19,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 323.0) internal successors, (1615), 5 states have internal predecessors, (1615), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 13:18:19,408 INFO L276 IsEmpty]: Start isEmpty. Operand 4165 states and 5967 transitions. [2024-11-13 13:18:19,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1714 [2024-11-13 13:18:19,432 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:19,432 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:18:19,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2024-11-13 13:18:19,433 INFO L396 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:18:19,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:19,434 INFO L85 PathProgramCache]: Analyzing trace with hash -582162981, now seen corresponding path program 1 times [2024-11-13 13:18:19,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:19,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191531154] [2024-11-13 13:18:19,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:19,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:22,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:25,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-13 13:18:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:25,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-13 13:18:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:25,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-13 13:18:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:25,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-13 13:18:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:25,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-13 13:18:25,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:25,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-13 13:18:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:25,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-13 13:18:25,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:25,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-11-13 13:18:25,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:25,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2024-11-13 13:18:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:25,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2024-11-13 13:18:25,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:25,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1276 [2024-11-13 13:18:25,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:25,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2024-11-13 13:18:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:25,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1304 [2024-11-13 13:18:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:25,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1323 [2024-11-13 13:18:25,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:25,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1344 [2024-11-13 13:18:25,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:25,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1362 [2024-11-13 13:18:25,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:25,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1372 [2024-11-13 13:18:25,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:25,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1385 [2024-11-13 13:18:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:25,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1397 [2024-11-13 13:18:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:25,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1409 [2024-11-13 13:18:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:25,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 407 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 13:18:25,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:25,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191531154] [2024-11-13 13:18:25,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191531154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:25,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:25,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:18:25,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428470880] [2024-11-13 13:18:25,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:25,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:18:25,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:25,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:18:25,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:18:25,469 INFO L87 Difference]: Start difference. First operand 4165 states and 5967 transitions. Second operand has 5 states, 5 states have (on average 323.2) internal successors, (1616), 5 states have internal predecessors, (1616), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 13:18:25,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:25,938 INFO L93 Difference]: Finished difference Result 6292 states and 9035 transitions. [2024-11-13 13:18:25,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:18:25,939 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 323.2) internal successors, (1616), 5 states have internal predecessors, (1616), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1713 [2024-11-13 13:18:25,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:25,944 INFO L225 Difference]: With dead ends: 6292 [2024-11-13 13:18:25,944 INFO L226 Difference]: Without dead ends: 4165 [2024-11-13 13:18:25,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:18:25,948 INFO L432 NwaCegarLoop]: 3067 mSDtfsCounter, 2922 mSDsluCounter, 3083 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2932 SdHoareTripleChecker+Valid, 6150 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:25,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2932 Valid, 6150 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:18:25,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4165 states. [2024-11-13 13:18:26,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4165 to 4165. [2024-11-13 13:18:26,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4165 states, 4089 states have (on average 1.4228417706040597) internal successors, (5818), 4089 states have internal predecessors, (5818), 74 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-13 13:18:26,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4165 states to 4165 states and 5966 transitions. [2024-11-13 13:18:26,038 INFO L78 Accepts]: Start accepts. Automaton has 4165 states and 5966 transitions. Word has length 1713 [2024-11-13 13:18:26,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:26,039 INFO L471 AbstractCegarLoop]: Abstraction has 4165 states and 5966 transitions. [2024-11-13 13:18:26,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 323.2) internal successors, (1616), 5 states have internal predecessors, (1616), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 13:18:26,039 INFO L276 IsEmpty]: Start isEmpty. Operand 4165 states and 5966 transitions. [2024-11-13 13:18:26,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1715 [2024-11-13 13:18:26,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:26,062 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:18:26,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2024-11-13 13:18:26,062 INFO L396 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:18:26,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:26,063 INFO L85 PathProgramCache]: Analyzing trace with hash 740225239, now seen corresponding path program 1 times [2024-11-13 13:18:26,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:26,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624809060] [2024-11-13 13:18:26,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:26,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:31,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-13 13:18:31,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:31,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-13 13:18:31,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:31,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-13 13:18:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:31,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-13 13:18:31,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:31,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-13 13:18:31,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:31,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-13 13:18:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:31,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-13 13:18:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:31,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-11-13 13:18:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:31,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2024-11-13 13:18:31,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:31,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2024-11-13 13:18:31,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:31,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1277 [2024-11-13 13:18:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:31,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1291 [2024-11-13 13:18:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:31,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2024-11-13 13:18:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:31,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1324 [2024-11-13 13:18:31,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:31,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1345 [2024-11-13 13:18:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:31,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1363 [2024-11-13 13:18:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:31,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1373 [2024-11-13 13:18:31,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:31,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1386 [2024-11-13 13:18:31,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:31,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1398 [2024-11-13 13:18:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:31,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2024-11-13 13:18:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:31,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 407 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 13:18:31,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:31,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624809060] [2024-11-13 13:18:31,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624809060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:31,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:31,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:18:31,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700531832] [2024-11-13 13:18:31,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:31,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:18:31,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:31,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:18:31,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:18:31,867 INFO L87 Difference]: Start difference. First operand 4165 states and 5966 transitions. Second operand has 5 states, 5 states have (on average 323.4) internal successors, (1617), 5 states have internal predecessors, (1617), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 13:18:32,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:32,341 INFO L93 Difference]: Finished difference Result 6292 states and 9033 transitions. [2024-11-13 13:18:32,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:18:32,341 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 323.4) internal successors, (1617), 5 states have internal predecessors, (1617), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1714 [2024-11-13 13:18:32,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:32,346 INFO L225 Difference]: With dead ends: 6292 [2024-11-13 13:18:32,346 INFO L226 Difference]: Without dead ends: 4165 [2024-11-13 13:18:32,348 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:18:32,348 INFO L432 NwaCegarLoop]: 3067 mSDtfsCounter, 5452 mSDsluCounter, 3069 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5462 SdHoareTripleChecker+Valid, 6136 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:32,348 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5462 Valid, 6136 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:18:32,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4165 states. [2024-11-13 13:18:32,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4165 to 4165. [2024-11-13 13:18:32,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4165 states, 4089 states have (on average 1.4225972120322816) internal successors, (5817), 4089 states have internal predecessors, (5817), 74 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-13 13:18:32,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4165 states to 4165 states and 5965 transitions. [2024-11-13 13:18:32,431 INFO L78 Accepts]: Start accepts. Automaton has 4165 states and 5965 transitions. Word has length 1714 [2024-11-13 13:18:32,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:32,432 INFO L471 AbstractCegarLoop]: Abstraction has 4165 states and 5965 transitions. [2024-11-13 13:18:32,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 323.4) internal successors, (1617), 5 states have internal predecessors, (1617), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 13:18:32,432 INFO L276 IsEmpty]: Start isEmpty. Operand 4165 states and 5965 transitions. [2024-11-13 13:18:32,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1716 [2024-11-13 13:18:32,446 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:32,446 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:18:32,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2024-11-13 13:18:32,446 INFO L396 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:18:32,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:32,447 INFO L85 PathProgramCache]: Analyzing trace with hash -217816570, now seen corresponding path program 1 times [2024-11-13 13:18:32,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:32,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350888766] [2024-11-13 13:18:32,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:32,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:35,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-13 13:18:39,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-13 13:18:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-13 13:18:39,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-13 13:18:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-13 13:18:39,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-13 13:18:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-13 13:18:39,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-11-13 13:18:39,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2024-11-13 13:18:39,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2024-11-13 13:18:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1278 [2024-11-13 13:18:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1292 [2024-11-13 13:18:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1306 [2024-11-13 13:18:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1325 [2024-11-13 13:18:39,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1346 [2024-11-13 13:18:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1364 [2024-11-13 13:18:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1374 [2024-11-13 13:18:39,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1387 [2024-11-13 13:18:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1399 [2024-11-13 13:18:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1411 [2024-11-13 13:18:39,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 407 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 13:18:39,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:39,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350888766] [2024-11-13 13:18:39,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350888766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:39,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:39,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:18:39,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195215226] [2024-11-13 13:18:39,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:39,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:18:39,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:39,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:18:39,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:18:39,090 INFO L87 Difference]: Start difference. First operand 4165 states and 5965 transitions. Second operand has 5 states, 5 states have (on average 323.6) internal successors, (1618), 5 states have internal predecessors, (1618), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 13:18:39,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:39,587 INFO L93 Difference]: Finished difference Result 6292 states and 9031 transitions. [2024-11-13 13:18:39,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:18:39,588 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 323.6) internal successors, (1618), 5 states have internal predecessors, (1618), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1715 [2024-11-13 13:18:39,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:39,592 INFO L225 Difference]: With dead ends: 6292 [2024-11-13 13:18:39,592 INFO L226 Difference]: Without dead ends: 4165 [2024-11-13 13:18:39,595 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:18:39,595 INFO L432 NwaCegarLoop]: 3067 mSDtfsCounter, 5436 mSDsluCounter, 3069 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5446 SdHoareTripleChecker+Valid, 6136 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:39,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5446 Valid, 6136 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:18:39,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4165 states. [2024-11-13 13:18:39,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4165 to 4165. [2024-11-13 13:18:39,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4165 states, 4089 states have (on average 1.4223526534605038) internal successors, (5816), 4089 states have internal predecessors, (5816), 74 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-13 13:18:39,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4165 states to 4165 states and 5964 transitions. [2024-11-13 13:18:39,696 INFO L78 Accepts]: Start accepts. Automaton has 4165 states and 5964 transitions. Word has length 1715 [2024-11-13 13:18:39,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:39,697 INFO L471 AbstractCegarLoop]: Abstraction has 4165 states and 5964 transitions. [2024-11-13 13:18:39,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 323.6) internal successors, (1618), 5 states have internal predecessors, (1618), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 13:18:39,697 INFO L276 IsEmpty]: Start isEmpty. Operand 4165 states and 5964 transitions. [2024-11-13 13:18:39,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1717 [2024-11-13 13:18:39,710 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:39,711 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:18:39,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2024-11-13 13:18:39,711 INFO L396 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:18:39,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:39,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1416310878, now seen corresponding path program 1 times [2024-11-13 13:18:39,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:39,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525550864] [2024-11-13 13:18:39,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:39,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:43,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:45,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-13 13:18:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:45,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-13 13:18:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:45,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-13 13:18:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:45,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-13 13:18:45,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:45,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-13 13:18:45,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:45,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-13 13:18:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:45,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-13 13:18:45,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:45,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-11-13 13:18:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:45,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2024-11-13 13:18:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:45,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2024-11-13 13:18:45,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:45,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1279 [2024-11-13 13:18:45,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:45,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1293 [2024-11-13 13:18:45,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:45,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1307 [2024-11-13 13:18:45,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:45,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1326 [2024-11-13 13:18:45,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:45,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1347 [2024-11-13 13:18:45,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:45,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2024-11-13 13:18:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:45,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1375 [2024-11-13 13:18:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:45,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1388 [2024-11-13 13:18:45,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:45,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1400 [2024-11-13 13:18:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:45,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1412 [2024-11-13 13:18:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:45,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 407 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 13:18:45,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:45,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525550864] [2024-11-13 13:18:45,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525550864] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:45,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:45,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:18:45,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860532272] [2024-11-13 13:18:45,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:45,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:18:45,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:45,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:18:45,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:18:45,688 INFO L87 Difference]: Start difference. First operand 4165 states and 5964 transitions. Second operand has 5 states, 5 states have (on average 323.8) internal successors, (1619), 5 states have internal predecessors, (1619), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 13:18:46,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:46,130 INFO L93 Difference]: Finished difference Result 6292 states and 9029 transitions. [2024-11-13 13:18:46,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:18:46,131 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 323.8) internal successors, (1619), 5 states have internal predecessors, (1619), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1716 [2024-11-13 13:18:46,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:46,135 INFO L225 Difference]: With dead ends: 6292 [2024-11-13 13:18:46,135 INFO L226 Difference]: Without dead ends: 4165 [2024-11-13 13:18:46,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:18:46,137 INFO L432 NwaCegarLoop]: 3067 mSDtfsCounter, 2898 mSDsluCounter, 3083 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2908 SdHoareTripleChecker+Valid, 6150 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:46,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2908 Valid, 6150 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:18:46,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4165 states. [2024-11-13 13:18:46,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4165 to 4165. [2024-11-13 13:18:46,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4165 states, 4089 states have (on average 1.422108094888726) internal successors, (5815), 4089 states have internal predecessors, (5815), 74 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-13 13:18:46,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4165 states to 4165 states and 5963 transitions. [2024-11-13 13:18:46,223 INFO L78 Accepts]: Start accepts. Automaton has 4165 states and 5963 transitions. Word has length 1716 [2024-11-13 13:18:46,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:46,223 INFO L471 AbstractCegarLoop]: Abstraction has 4165 states and 5963 transitions. [2024-11-13 13:18:46,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 323.8) internal successors, (1619), 5 states have internal predecessors, (1619), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 13:18:46,223 INFO L276 IsEmpty]: Start isEmpty. Operand 4165 states and 5963 transitions. [2024-11-13 13:18:46,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1718 [2024-11-13 13:18:46,236 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:46,237 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:18:46,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2024-11-13 13:18:46,237 INFO L396 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:18:46,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:46,237 INFO L85 PathProgramCache]: Analyzing trace with hash -492463439, now seen corresponding path program 1 times [2024-11-13 13:18:46,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:46,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243984900] [2024-11-13 13:18:46,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:46,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:49,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:52,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-13 13:18:52,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:52,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-13 13:18:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:52,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-13 13:18:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:52,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-13 13:18:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:52,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-13 13:18:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:52,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-13 13:18:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:52,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-13 13:18:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:52,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-11-13 13:18:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:52,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2024-11-13 13:18:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:52,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2024-11-13 13:18:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:52,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1280 [2024-11-13 13:18:52,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:52,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1294 [2024-11-13 13:18:52,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:52,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1308 [2024-11-13 13:18:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:52,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1327 [2024-11-13 13:18:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:52,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1348 [2024-11-13 13:18:52,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:52,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1366 [2024-11-13 13:18:52,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:52,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1376 [2024-11-13 13:18:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:52,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1389 [2024-11-13 13:18:52,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:52,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1401 [2024-11-13 13:18:52,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:52,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1413 [2024-11-13 13:18:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:52,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 407 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 13:18:52,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:52,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243984900] [2024-11-13 13:18:52,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243984900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:52,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:52,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:18:52,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902087581] [2024-11-13 13:18:52,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:52,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:18:52,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:52,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:18:52,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:18:52,264 INFO L87 Difference]: Start difference. First operand 4165 states and 5963 transitions. Second operand has 5 states, 5 states have (on average 324.0) internal successors, (1620), 5 states have internal predecessors, (1620), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 13:18:52,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:52,791 INFO L93 Difference]: Finished difference Result 6292 states and 9027 transitions. [2024-11-13 13:18:52,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:18:52,792 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 324.0) internal successors, (1620), 5 states have internal predecessors, (1620), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1717 [2024-11-13 13:18:52,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:52,802 INFO L225 Difference]: With dead ends: 6292 [2024-11-13 13:18:52,803 INFO L226 Difference]: Without dead ends: 4165 [2024-11-13 13:18:52,807 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:18:52,808 INFO L432 NwaCegarLoop]: 3067 mSDtfsCounter, 2890 mSDsluCounter, 3083 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2900 SdHoareTripleChecker+Valid, 6150 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:52,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2900 Valid, 6150 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:18:52,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4165 states. [2024-11-13 13:18:52,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4165 to 4165. [2024-11-13 13:18:52,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4165 states, 4089 states have (on average 1.4218635363169478) internal successors, (5814), 4089 states have internal predecessors, (5814), 74 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-13 13:18:52,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4165 states to 4165 states and 5962 transitions. [2024-11-13 13:18:52,891 INFO L78 Accepts]: Start accepts. Automaton has 4165 states and 5962 transitions. Word has length 1717 [2024-11-13 13:18:52,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:52,891 INFO L471 AbstractCegarLoop]: Abstraction has 4165 states and 5962 transitions. [2024-11-13 13:18:52,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 324.0) internal successors, (1620), 5 states have internal predecessors, (1620), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 13:18:52,892 INFO L276 IsEmpty]: Start isEmpty. Operand 4165 states and 5962 transitions. [2024-11-13 13:18:52,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1719 [2024-11-13 13:18:52,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:52,906 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:18:52,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2024-11-13 13:18:52,906 INFO L396 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:18:52,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:52,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1827386093, now seen corresponding path program 1 times [2024-11-13 13:18:52,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:52,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313782699] [2024-11-13 13:18:52,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:52,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:56,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:59,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-13 13:18:59,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:59,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-13 13:18:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:59,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-13 13:18:59,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:59,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-13 13:18:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:59,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-13 13:18:59,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:59,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-13 13:18:59,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:59,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-13 13:18:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:59,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-11-13 13:18:59,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:59,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2024-11-13 13:18:59,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:59,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2024-11-13 13:18:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:59,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1281 [2024-11-13 13:18:59,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:59,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1295 [2024-11-13 13:18:59,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:59,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1309 [2024-11-13 13:18:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:59,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1328 [2024-11-13 13:18:59,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:59,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1349 [2024-11-13 13:18:59,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:59,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1367 [2024-11-13 13:18:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:59,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1377 [2024-11-13 13:18:59,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:59,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1390 [2024-11-13 13:18:59,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:59,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1402 [2024-11-13 13:18:59,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:59,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1414 [2024-11-13 13:18:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:59,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 407 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 13:18:59,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:59,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313782699] [2024-11-13 13:18:59,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313782699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:59,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:59,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:18:59,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894426371] [2024-11-13 13:18:59,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:59,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:18:59,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:59,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:18:59,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:18:59,137 INFO L87 Difference]: Start difference. First operand 4165 states and 5962 transitions. Second operand has 5 states, 5 states have (on average 324.2) internal successors, (1621), 5 states have internal predecessors, (1621), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 13:18:59,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:59,603 INFO L93 Difference]: Finished difference Result 6292 states and 9025 transitions. [2024-11-13 13:18:59,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:18:59,603 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 324.2) internal successors, (1621), 5 states have internal predecessors, (1621), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1718 [2024-11-13 13:18:59,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:59,608 INFO L225 Difference]: With dead ends: 6292 [2024-11-13 13:18:59,608 INFO L226 Difference]: Without dead ends: 4165 [2024-11-13 13:18:59,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:18:59,611 INFO L432 NwaCegarLoop]: 3067 mSDtfsCounter, 5388 mSDsluCounter, 3069 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5398 SdHoareTripleChecker+Valid, 6136 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:59,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5398 Valid, 6136 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:18:59,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4165 states. [2024-11-13 13:18:59,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4165 to 4165. [2024-11-13 13:18:59,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4165 states, 4089 states have (on average 1.42161897774517) internal successors, (5813), 4089 states have internal predecessors, (5813), 74 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-13 13:18:59,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4165 states to 4165 states and 5961 transitions. [2024-11-13 13:18:59,692 INFO L78 Accepts]: Start accepts. Automaton has 4165 states and 5961 transitions. Word has length 1718 [2024-11-13 13:18:59,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:59,693 INFO L471 AbstractCegarLoop]: Abstraction has 4165 states and 5961 transitions. [2024-11-13 13:18:59,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 324.2) internal successors, (1621), 5 states have internal predecessors, (1621), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 13:18:59,693 INFO L276 IsEmpty]: Start isEmpty. Operand 4165 states and 5961 transitions. [2024-11-13 13:18:59,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1720 [2024-11-13 13:18:59,706 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:59,707 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:18:59,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2024-11-13 13:18:59,707 INFO L396 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:18:59,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:59,707 INFO L85 PathProgramCache]: Analyzing trace with hash 563236828, now seen corresponding path program 1 times [2024-11-13 13:18:59,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:59,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642232870] [2024-11-13 13:18:59,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:59,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:19:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:05,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-13 13:19:05,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:05,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-13 13:19:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:05,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-13 13:19:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:05,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-13 13:19:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:05,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-13 13:19:05,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:05,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-13 13:19:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:05,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-13 13:19:05,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:05,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-11-13 13:19:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:05,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2024-11-13 13:19:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:05,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2024-11-13 13:19:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:05,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1282 [2024-11-13 13:19:05,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:05,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1296 [2024-11-13 13:19:05,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:05,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1310 [2024-11-13 13:19:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:05,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1329 [2024-11-13 13:19:05,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:05,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2024-11-13 13:19:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:05,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1368 [2024-11-13 13:19:05,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:05,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1378 [2024-11-13 13:19:05,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:05,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1391 [2024-11-13 13:19:05,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:05,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1403 [2024-11-13 13:19:05,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:05,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1415 [2024-11-13 13:19:05,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:05,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 407 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 13:19:05,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:19:05,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642232870] [2024-11-13 13:19:05,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642232870] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:19:05,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:19:05,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:19:05,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56167733] [2024-11-13 13:19:05,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:19:05,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:19:05,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:19:05,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:19:05,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:19:05,483 INFO L87 Difference]: Start difference. First operand 4165 states and 5961 transitions. Second operand has 5 states, 5 states have (on average 324.4) internal successors, (1622), 5 states have internal predecessors, (1622), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 13:19:06,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:19:06,035 INFO L93 Difference]: Finished difference Result 6292 states and 9023 transitions. [2024-11-13 13:19:06,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:19:06,036 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 324.4) internal successors, (1622), 5 states have internal predecessors, (1622), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1719 [2024-11-13 13:19:06,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:19:06,040 INFO L225 Difference]: With dead ends: 6292 [2024-11-13 13:19:06,040 INFO L226 Difference]: Without dead ends: 4165 [2024-11-13 13:19:06,042 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:19:06,042 INFO L432 NwaCegarLoop]: 3067 mSDtfsCounter, 5372 mSDsluCounter, 3069 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5382 SdHoareTripleChecker+Valid, 6136 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:19:06,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5382 Valid, 6136 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:19:06,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4165 states. [2024-11-13 13:19:06,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4165 to 4165. [2024-11-13 13:19:06,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4165 states, 4089 states have (on average 1.4213744191733921) internal successors, (5812), 4089 states have internal predecessors, (5812), 74 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-13 13:19:06,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4165 states to 4165 states and 5960 transitions. [2024-11-13 13:19:06,124 INFO L78 Accepts]: Start accepts. Automaton has 4165 states and 5960 transitions. Word has length 1719 [2024-11-13 13:19:06,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:19:06,125 INFO L471 AbstractCegarLoop]: Abstraction has 4165 states and 5960 transitions. [2024-11-13 13:19:06,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 324.4) internal successors, (1622), 5 states have internal predecessors, (1622), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 13:19:06,125 INFO L276 IsEmpty]: Start isEmpty. Operand 4165 states and 5960 transitions. [2024-11-13 13:19:06,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1721 [2024-11-13 13:19:06,141 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:19:06,141 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:19:06,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2024-11-13 13:19:06,141 INFO L396 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:19:06,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:19:06,142 INFO L85 PathProgramCache]: Analyzing trace with hash 226187960, now seen corresponding path program 1 times [2024-11-13 13:19:06,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:19:06,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985341036] [2024-11-13 13:19:06,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:19:06,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:19:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:12,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-13 13:19:12,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:12,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-13 13:19:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:12,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-13 13:19:12,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:12,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-13 13:19:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:12,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-13 13:19:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:12,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-13 13:19:12,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:12,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-13 13:19:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:12,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-11-13 13:19:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:12,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2024-11-13 13:19:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:12,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2024-11-13 13:19:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:12,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1283 [2024-11-13 13:19:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:12,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2024-11-13 13:19:12,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:12,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1311 [2024-11-13 13:19:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:12,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1330 [2024-11-13 13:19:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:12,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1351 [2024-11-13 13:19:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:12,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1369 [2024-11-13 13:19:12,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:12,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1379 [2024-11-13 13:19:12,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:12,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1392 [2024-11-13 13:19:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:12,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1404 [2024-11-13 13:19:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:12,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1416 [2024-11-13 13:19:12,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:12,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 407 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 13:19:12,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:19:12,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985341036] [2024-11-13 13:19:12,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985341036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:19:12,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:19:12,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:19:12,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164171742] [2024-11-13 13:19:12,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:19:12,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:19:12,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:19:12,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:19:12,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:19:12,710 INFO L87 Difference]: Start difference. First operand 4165 states and 5960 transitions. Second operand has 5 states, 5 states have (on average 324.6) internal successors, (1623), 5 states have internal predecessors, (1623), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 13:19:13,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:19:13,161 INFO L93 Difference]: Finished difference Result 6292 states and 9021 transitions. [2024-11-13 13:19:13,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:19:13,162 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 324.6) internal successors, (1623), 5 states have internal predecessors, (1623), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1720 [2024-11-13 13:19:13,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:19:13,168 INFO L225 Difference]: With dead ends: 6292 [2024-11-13 13:19:13,169 INFO L226 Difference]: Without dead ends: 4165 [2024-11-13 13:19:13,172 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:19:13,172 INFO L432 NwaCegarLoop]: 3155 mSDtfsCounter, 2851 mSDsluCounter, 3171 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2861 SdHoareTripleChecker+Valid, 6326 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:19:13,172 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2861 Valid, 6326 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:19:13,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4165 states. [2024-11-13 13:19:13,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4165 to 4165. [2024-11-13 13:19:13,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4165 states, 4089 states have (on average 1.421129860601614) internal successors, (5811), 4089 states have internal predecessors, (5811), 74 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-13 13:19:13,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4165 states to 4165 states and 5959 transitions. [2024-11-13 13:19:13,291 INFO L78 Accepts]: Start accepts. Automaton has 4165 states and 5959 transitions. Word has length 1720 [2024-11-13 13:19:13,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:19:13,292 INFO L471 AbstractCegarLoop]: Abstraction has 4165 states and 5959 transitions. [2024-11-13 13:19:13,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 324.6) internal successors, (1623), 5 states have internal predecessors, (1623), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 13:19:13,292 INFO L276 IsEmpty]: Start isEmpty. Operand 4165 states and 5959 transitions. [2024-11-13 13:19:13,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1722 [2024-11-13 13:19:13,306 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:19:13,306 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:19:13,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2024-11-13 13:19:13,306 INFO L396 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:19:13,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:19:13,307 INFO L85 PathProgramCache]: Analyzing trace with hash -2096348793, now seen corresponding path program 1 times [2024-11-13 13:19:13,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:19:13,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835826556] [2024-11-13 13:19:13,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:19:13,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:19:16,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:19,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-13 13:19:19,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:19,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-13 13:19:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:19,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-13 13:19:19,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:19,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-13 13:19:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:19,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-13 13:19:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:19,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-13 13:19:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:19,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-13 13:19:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:19,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-11-13 13:19:19,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:19,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2024-11-13 13:19:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:19,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2024-11-13 13:19:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:19,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1284 [2024-11-13 13:19:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:19,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1298 [2024-11-13 13:19:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:19,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1312 [2024-11-13 13:19:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:19,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1331 [2024-11-13 13:19:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:19,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1352 [2024-11-13 13:19:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:19,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1370 [2024-11-13 13:19:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:19,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2024-11-13 13:19:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:19,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1393 [2024-11-13 13:19:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:19,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1405 [2024-11-13 13:19:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:19,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1417 [2024-11-13 13:19:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:19,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 407 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 13:19:19,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:19:19,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835826556] [2024-11-13 13:19:19,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835826556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:19:19,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:19:19,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:19:19,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185277108] [2024-11-13 13:19:19,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:19:19,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:19:19,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:19:19,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:19:19,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:19:19,076 INFO L87 Difference]: Start difference. First operand 4165 states and 5959 transitions. Second operand has 5 states, 5 states have (on average 324.8) internal successors, (1624), 5 states have internal predecessors, (1624), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 13:19:19,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:19:19,490 INFO L93 Difference]: Finished difference Result 6292 states and 9019 transitions. [2024-11-13 13:19:19,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:19:19,491 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 324.8) internal successors, (1624), 5 states have internal predecessors, (1624), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1721 [2024-11-13 13:19:19,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:19:19,495 INFO L225 Difference]: With dead ends: 6292 [2024-11-13 13:19:19,495 INFO L226 Difference]: Without dead ends: 4165 [2024-11-13 13:19:19,496 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:19:19,497 INFO L432 NwaCegarLoop]: 3155 mSDtfsCounter, 5325 mSDsluCounter, 3157 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5335 SdHoareTripleChecker+Valid, 6312 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:19:19,497 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5335 Valid, 6312 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:19:19,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4165 states. [2024-11-13 13:19:19,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4165 to 4165. [2024-11-13 13:19:19,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4165 states, 4089 states have (on average 1.4208853020298362) internal successors, (5810), 4089 states have internal predecessors, (5810), 74 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-13 13:19:19,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4165 states to 4165 states and 5958 transitions. [2024-11-13 13:19:19,581 INFO L78 Accepts]: Start accepts. Automaton has 4165 states and 5958 transitions. Word has length 1721 [2024-11-13 13:19:19,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:19:19,581 INFO L471 AbstractCegarLoop]: Abstraction has 4165 states and 5958 transitions. [2024-11-13 13:19:19,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 324.8) internal successors, (1624), 5 states have internal predecessors, (1624), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 13:19:19,582 INFO L276 IsEmpty]: Start isEmpty. Operand 4165 states and 5958 transitions. [2024-11-13 13:19:19,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1723 [2024-11-13 13:19:19,595 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:19:19,595 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:19:19,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2024-11-13 13:19:19,596 INFO L396 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:19:19,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:19:19,596 INFO L85 PathProgramCache]: Analyzing trace with hash 519800579, now seen corresponding path program 1 times [2024-11-13 13:19:19,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:19:19,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258739230] [2024-11-13 13:19:19,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:19:19,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:19:23,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:25,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-13 13:19:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:25,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-13 13:19:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:25,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-13 13:19:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:25,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-13 13:19:25,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:25,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-13 13:19:25,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:25,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-13 13:19:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:25,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-13 13:19:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:25,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-11-13 13:19:25,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:25,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2024-11-13 13:19:25,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:25,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2024-11-13 13:19:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:25,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1285 [2024-11-13 13:19:25,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:25,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1299 [2024-11-13 13:19:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:25,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1313 [2024-11-13 13:19:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:25,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1332 [2024-11-13 13:19:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:25,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1353 [2024-11-13 13:19:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:25,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1371 [2024-11-13 13:19:25,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:25,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1381 [2024-11-13 13:19:25,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:25,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1394 [2024-11-13 13:19:25,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:25,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1406 [2024-11-13 13:19:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:25,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1418 [2024-11-13 13:19:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:25,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 407 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 13:19:25,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:19:25,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258739230] [2024-11-13 13:19:25,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258739230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:19:25,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:19:25,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:19:25,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089701259] [2024-11-13 13:19:25,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:19:25,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:19:25,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:19:25,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:19:25,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:19:25,898 INFO L87 Difference]: Start difference. First operand 4165 states and 5958 transitions. Second operand has 5 states, 5 states have (on average 325.0) internal successors, (1625), 5 states have internal predecessors, (1625), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 13:19:26,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:19:26,356 INFO L93 Difference]: Finished difference Result 6292 states and 9017 transitions. [2024-11-13 13:19:26,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:19:26,357 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 325.0) internal successors, (1625), 5 states have internal predecessors, (1625), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1722 [2024-11-13 13:19:26,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:19:26,363 INFO L225 Difference]: With dead ends: 6292 [2024-11-13 13:19:26,364 INFO L226 Difference]: Without dead ends: 4165 [2024-11-13 13:19:26,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:19:26,367 INFO L432 NwaCegarLoop]: 3155 mSDtfsCounter, 5309 mSDsluCounter, 3157 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5319 SdHoareTripleChecker+Valid, 6312 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:19:26,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5319 Valid, 6312 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:19:26,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4165 states. [2024-11-13 13:19:26,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4165 to 4165. [2024-11-13 13:19:26,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4165 states, 4089 states have (on average 1.4206407434580581) internal successors, (5809), 4089 states have internal predecessors, (5809), 74 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-13 13:19:26,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4165 states to 4165 states and 5957 transitions. [2024-11-13 13:19:26,510 INFO L78 Accepts]: Start accepts. Automaton has 4165 states and 5957 transitions. Word has length 1722 [2024-11-13 13:19:26,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:19:26,511 INFO L471 AbstractCegarLoop]: Abstraction has 4165 states and 5957 transitions. [2024-11-13 13:19:26,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 325.0) internal successors, (1625), 5 states have internal predecessors, (1625), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 13:19:26,512 INFO L276 IsEmpty]: Start isEmpty. Operand 4165 states and 5957 transitions. [2024-11-13 13:19:26,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1724 [2024-11-13 13:19:26,528 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:19:26,528 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:19:26,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2024-11-13 13:19:26,529 INFO L396 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:19:26,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:19:26,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1204473934, now seen corresponding path program 1 times [2024-11-13 13:19:26,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:19:26,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981801138] [2024-11-13 13:19:26,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:19:26,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:19:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:32,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-13 13:19:32,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:32,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-13 13:19:32,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:32,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-13 13:19:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:32,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-13 13:19:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:32,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-13 13:19:32,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:32,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-13 13:19:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:32,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-13 13:19:32,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:32,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-11-13 13:19:32,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:32,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2024-11-13 13:19:32,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:32,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2024-11-13 13:19:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:32,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1286 [2024-11-13 13:19:32,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:32,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1300 [2024-11-13 13:19:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:32,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1314 [2024-11-13 13:19:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:32,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1333 [2024-11-13 13:19:32,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:32,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1354 [2024-11-13 13:19:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:32,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1372 [2024-11-13 13:19:32,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:32,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1382 [2024-11-13 13:19:32,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:32,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2024-11-13 13:19:32,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:32,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1407 [2024-11-13 13:19:32,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:32,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1419 [2024-11-13 13:19:32,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:32,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 407 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 13:19:32,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:19:32,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981801138] [2024-11-13 13:19:32,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981801138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:19:32,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:19:32,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:19:32,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359019204] [2024-11-13 13:19:32,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:19:32,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:19:32,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:19:32,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:19:32,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:19:32,050 INFO L87 Difference]: Start difference. First operand 4165 states and 5957 transitions. Second operand has 5 states, 5 states have (on average 325.2) internal successors, (1626), 5 states have internal predecessors, (1626), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 13:19:32,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:19:32,362 INFO L93 Difference]: Finished difference Result 6292 states and 9015 transitions. [2024-11-13 13:19:32,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:19:32,362 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 325.2) internal successors, (1626), 5 states have internal predecessors, (1626), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1723 [2024-11-13 13:19:32,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:19:32,367 INFO L225 Difference]: With dead ends: 6292 [2024-11-13 13:19:32,367 INFO L226 Difference]: Without dead ends: 4165 [2024-11-13 13:19:32,368 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:19:32,369 INFO L432 NwaCegarLoop]: 3155 mSDtfsCounter, 5293 mSDsluCounter, 3157 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5303 SdHoareTripleChecker+Valid, 6312 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:19:32,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5303 Valid, 6312 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:19:32,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4165 states. [2024-11-13 13:19:32,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4165 to 4165. [2024-11-13 13:19:32,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4165 states, 4089 states have (on average 1.4203961848862803) internal successors, (5808), 4089 states have internal predecessors, (5808), 74 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-13 13:19:32,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4165 states to 4165 states and 5956 transitions. [2024-11-13 13:19:32,446 INFO L78 Accepts]: Start accepts. Automaton has 4165 states and 5956 transitions. Word has length 1723 [2024-11-13 13:19:32,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:19:32,446 INFO L471 AbstractCegarLoop]: Abstraction has 4165 states and 5956 transitions. [2024-11-13 13:19:32,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 325.2) internal successors, (1626), 5 states have internal predecessors, (1626), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 13:19:32,447 INFO L276 IsEmpty]: Start isEmpty. Operand 4165 states and 5956 transitions. [2024-11-13 13:19:32,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1725 [2024-11-13 13:19:32,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:19:32,460 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:19:32,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2024-11-13 13:19:32,460 INFO L396 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:19:32,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:19:32,460 INFO L85 PathProgramCache]: Analyzing trace with hash 126089166, now seen corresponding path program 1 times [2024-11-13 13:19:32,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:19:32,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492760297] [2024-11-13 13:19:32,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:19:32,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:19:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:39,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-13 13:19:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:39,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-13 13:19:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:39,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-13 13:19:39,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:39,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-13 13:19:39,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:39,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-13 13:19:39,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:39,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-13 13:19:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:39,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-13 13:19:39,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:39,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-11-13 13:19:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:39,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2024-11-13 13:19:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:39,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2024-11-13 13:19:39,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:39,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1287 [2024-11-13 13:19:39,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:39,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1301 [2024-11-13 13:19:39,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:39,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1315 [2024-11-13 13:19:39,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:39,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1334 [2024-11-13 13:19:39,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:39,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1355 [2024-11-13 13:19:39,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:39,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1373 [2024-11-13 13:19:39,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:39,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1383 [2024-11-13 13:19:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:39,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1396 [2024-11-13 13:19:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:39,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1408 [2024-11-13 13:19:39,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:39,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1420 [2024-11-13 13:19:39,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:39,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 407 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 13:19:39,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:19:39,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492760297] [2024-11-13 13:19:39,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492760297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:19:39,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:19:39,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:19:39,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571889226] [2024-11-13 13:19:39,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:19:39,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:19:39,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:19:39,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:19:39,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:19:39,123 INFO L87 Difference]: Start difference. First operand 4165 states and 5956 transitions. Second operand has 5 states, 5 states have (on average 325.4) internal successors, (1627), 5 states have internal predecessors, (1627), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 13:19:39,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:19:39,367 INFO L93 Difference]: Finished difference Result 6292 states and 9013 transitions. [2024-11-13 13:19:39,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:19:39,368 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 325.4) internal successors, (1627), 5 states have internal predecessors, (1627), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 1724 [2024-11-13 13:19:39,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:19:39,372 INFO L225 Difference]: With dead ends: 6292 [2024-11-13 13:19:39,372 INFO L226 Difference]: Without dead ends: 4165 [2024-11-13 13:19:39,374 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:19:39,374 INFO L432 NwaCegarLoop]: 3194 mSDtfsCounter, 2812 mSDsluCounter, 3210 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2822 SdHoareTripleChecker+Valid, 6404 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:19:39,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2822 Valid, 6404 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:19:39,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4165 states. [2024-11-13 13:19:39,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4165 to 4165. [2024-11-13 13:19:39,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4165 states, 4089 states have (on average 1.4201516263145024) internal successors, (5807), 4089 states have internal predecessors, (5807), 74 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-13 13:19:39,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4165 states to 4165 states and 5955 transitions. [2024-11-13 13:19:39,452 INFO L78 Accepts]: Start accepts. Automaton has 4165 states and 5955 transitions. Word has length 1724 [2024-11-13 13:19:39,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:19:39,453 INFO L471 AbstractCegarLoop]: Abstraction has 4165 states and 5955 transitions. [2024-11-13 13:19:39,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 325.4) internal successors, (1627), 5 states have internal predecessors, (1627), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 13:19:39,453 INFO L276 IsEmpty]: Start isEmpty. Operand 4165 states and 5955 transitions. [2024-11-13 13:19:39,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1726 [2024-11-13 13:19:39,466 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:19:39,466 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:19:39,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2024-11-13 13:19:39,467 INFO L396 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:19:39,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:19:39,467 INFO L85 PathProgramCache]: Analyzing trace with hash -804332963, now seen corresponding path program 1 times [2024-11-13 13:19:39,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:19:39,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777870851] [2024-11-13 13:19:39,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:19:39,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:19:43,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat