./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label30.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688997e0-4164-4eaf-b2c7-7f67c9911256/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688997e0-4164-4eaf-b2c7-7f67c9911256/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_688997e0-4164-4eaf-b2c7-7f67c9911256/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688997e0-4164-4eaf-b2c7-7f67c9911256/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label30.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688997e0-4164-4eaf-b2c7-7f67c9911256/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688997e0-4164-4eaf-b2c7-7f67c9911256/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 80c5c0aba72ae94b1a7faaff5d18dcb1975bca24b2cca6ada65386f045cad987 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:11:08,657 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:11:08,778 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688997e0-4164-4eaf-b2c7-7f67c9911256/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 16:11:08,785 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:11:08,785 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:11:08,830 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:11:08,830 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:11:08,831 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:11:08,831 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:11:08,831 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:11:08,831 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:11:08,831 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:11:08,832 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:11:08,832 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:11:08,832 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:11:08,832 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:11:08,832 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:11:08,832 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:11:08,832 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:11:08,833 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:11:08,833 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:11:08,833 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:11:08,833 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:11:08,834 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:11:08,834 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:11:08,834 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:11:08,834 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:11:08,834 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:11:08,835 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:11:08,835 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:11:08,835 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:11:08,835 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:11:08,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:11:08,836 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:11:08,836 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:11:08,836 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:11:08,836 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:11:08,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:11:08,836 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:11:08,837 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:11:08,837 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:11:08,837 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:11:08,837 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_688997e0-4164-4eaf-b2c7-7f67c9911256/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80c5c0aba72ae94b1a7faaff5d18dcb1975bca24b2cca6ada65386f045cad987 [2024-11-13 16:11:09,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:11:09,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:11:09,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:11:09,216 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:11:09,217 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:11:09,218 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688997e0-4164-4eaf-b2c7-7f67c9911256/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/eca-rers2012/Problem11_label30.c Unable to find full path for "g++" [2024-11-13 16:11:11,366 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:11:11,873 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:11:11,877 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688997e0-4164-4eaf-b2c7-7f67c9911256/sv-benchmarks/c/eca-rers2012/Problem11_label30.c [2024-11-13 16:11:11,900 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688997e0-4164-4eaf-b2c7-7f67c9911256/bin/uautomizer-verify-qhAvR1uOyd/data/e2902ce28/8c9fa99620c549ef9f817be47ee08011/FLAG806be171a [2024-11-13 16:11:11,949 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688997e0-4164-4eaf-b2c7-7f67c9911256/bin/uautomizer-verify-qhAvR1uOyd/data/e2902ce28/8c9fa99620c549ef9f817be47ee08011 [2024-11-13 16:11:11,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:11:11,956 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:11:11,958 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:11:11,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:11:11,966 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:11:11,968 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:11:11" (1/1) ... [2024-11-13 16:11:11,969 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a09860c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:11:11, skipping insertion in model container [2024-11-13 16:11:11,972 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:11:11" (1/1) ... [2024-11-13 16:11:12,039 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:11:12,286 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_688997e0-4164-4eaf-b2c7-7f67c9911256/sv-benchmarks/c/eca-rers2012/Problem11_label30.c[4279,4292] [2024-11-13 16:11:12,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:11:12,670 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:11:12,704 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_688997e0-4164-4eaf-b2c7-7f67c9911256/sv-benchmarks/c/eca-rers2012/Problem11_label30.c[4279,4292] [2024-11-13 16:11:12,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:11:12,917 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:11:12,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:11:12 WrapperNode [2024-11-13 16:11:12,918 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:11:12,919 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:11:12,920 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:11:12,921 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:11:12,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:11:12" (1/1) ... [2024-11-13 16:11:12,968 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:11:12" (1/1) ... [2024-11-13 16:11:13,138 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2024-11-13 16:11:13,139 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:11:13,142 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:11:13,142 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:11:13,142 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:11:13,154 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:11:12" (1/1) ... [2024-11-13 16:11:13,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:11:12" (1/1) ... [2024-11-13 16:11:13,170 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:11:12" (1/1) ... [2024-11-13 16:11:13,238 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 16:11:13,242 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:11:12" (1/1) ... [2024-11-13 16:11:13,242 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:11:12" (1/1) ... [2024-11-13 16:11:13,297 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:11:12" (1/1) ... [2024-11-13 16:11:13,306 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:11:12" (1/1) ... [2024-11-13 16:11:13,315 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:11:12" (1/1) ... [2024-11-13 16:11:13,323 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:11:12" (1/1) ... [2024-11-13 16:11:13,337 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:11:13,338 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:11:13,338 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:11:13,338 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:11:13,339 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:11:12" (1/1) ... [2024-11-13 16:11:13,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:11:13,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688997e0-4164-4eaf-b2c7-7f67c9911256/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:11:13,378 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688997e0-4164-4eaf-b2c7-7f67c9911256/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:11:13,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688997e0-4164-4eaf-b2c7-7f67c9911256/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:11:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:11:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 16:11:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:11:13,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:11:13,527 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:11:13,530 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:11:16,234 INFO L? ?]: Removed 129 outVars from TransFormulas that were not future-live. [2024-11-13 16:11:16,234 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:11:16,264 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:11:16,264 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:11:16,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:11:16 BoogieIcfgContainer [2024-11-13 16:11:16,265 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:11:16,272 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:11:16,272 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:11:16,282 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:11:16,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:11:11" (1/3) ... [2024-11-13 16:11:16,283 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2877dd00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:11:16, skipping insertion in model container [2024-11-13 16:11:16,284 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:11:12" (2/3) ... [2024-11-13 16:11:16,284 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2877dd00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:11:16, skipping insertion in model container [2024-11-13 16:11:16,285 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:11:16" (3/3) ... [2024-11-13 16:11:16,286 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label30.c [2024-11-13 16:11:16,307 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:11:16,309 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG Problem11_label30.c that has 1 procedures, 283 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 16:11:16,404 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:11:16,427 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;@322bb7a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:11:16,428 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 16:11:16,434 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:16,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 16:11:16,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:11:16,441 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:11:16,441 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:11:16,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:16,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1598788696, now seen corresponding path program 1 times [2024-11-13 16:11:16,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:16,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582509902] [2024-11-13 16:11:16,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:16,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:16,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:11:16,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:16,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582509902] [2024-11-13 16:11:16,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582509902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:16,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:16,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:11:16,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522048885] [2024-11-13 16:11:16,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:16,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:11:16,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:16,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:11:16,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:16,953 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:18,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:11:18,834 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2024-11-13 16:11:18,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:11:18,844 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2024-11-13 16:11:18,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:11:18,866 INFO L225 Difference]: With dead ends: 776 [2024-11-13 16:11:18,866 INFO L226 Difference]: Without dead ends: 413 [2024-11-13 16:11:18,873 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:18,878 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 198 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-13 16:11:18,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 196 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-13 16:11:18,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-11-13 16:11:18,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 411. [2024-11-13 16:11:18,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 410 states have (on average 1.4585365853658536) internal successors, (598), 410 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:18,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions. [2024-11-13 16:11:18,938 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 29 [2024-11-13 16:11:18,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:11:18,938 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 598 transitions. [2024-11-13 16:11:18,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:18,939 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions. [2024-11-13 16:11:18,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-13 16:11:18,941 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:11:18,941 INFO L215 NwaCegarLoop]: trace histogram [2, 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] [2024-11-13 16:11:18,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 16:11:18,942 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:11:18,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:18,943 INFO L85 PathProgramCache]: Analyzing trace with hash 544011823, now seen corresponding path program 1 times [2024-11-13 16:11:18,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:18,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231658723] [2024-11-13 16:11:18,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:18,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:19,358 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:11:19,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:19,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231658723] [2024-11-13 16:11:19,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231658723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:19,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:19,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:11:19,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511566710] [2024-11-13 16:11:19,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:19,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:11:19,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:19,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:11:19,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:19,364 INFO L87 Difference]: Start difference. First operand 411 states and 598 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:20,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:11:20,553 INFO L93 Difference]: Finished difference Result 1209 states and 1765 transitions. [2024-11-13 16:11:20,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:11:20,555 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2024-11-13 16:11:20,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:11:20,561 INFO L225 Difference]: With dead ends: 1209 [2024-11-13 16:11:20,562 INFO L226 Difference]: Without dead ends: 800 [2024-11-13 16:11:20,563 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:20,564 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 144 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:11:20,565 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 121 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 16:11:20,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2024-11-13 16:11:20,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 787. [2024-11-13 16:11:20,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 786 states have (on average 1.3854961832061068) internal successors, (1089), 786 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:20,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1089 transitions. [2024-11-13 16:11:20,633 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1089 transitions. Word has length 97 [2024-11-13 16:11:20,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:11:20,634 INFO L471 AbstractCegarLoop]: Abstraction has 787 states and 1089 transitions. [2024-11-13 16:11:20,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:20,634 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1089 transitions. [2024-11-13 16:11:20,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 16:11:20,640 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:11:20,641 INFO L215 NwaCegarLoop]: trace histogram [2, 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] [2024-11-13 16:11:20,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 16:11:20,641 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:11:20,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:20,642 INFO L85 PathProgramCache]: Analyzing trace with hash -562058768, now seen corresponding path program 1 times [2024-11-13 16:11:20,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:20,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656358388] [2024-11-13 16:11:20,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:20,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:20,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:21,379 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:11:21,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:21,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656358388] [2024-11-13 16:11:21,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656358388] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:21,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:21,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:11:21,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468357175] [2024-11-13 16:11:21,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:21,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:11:21,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:21,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:11:21,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:21,385 INFO L87 Difference]: Start difference. First operand 787 states and 1089 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:22,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:11:22,418 INFO L93 Difference]: Finished difference Result 1942 states and 2631 transitions. [2024-11-13 16:11:22,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:11:22,419 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-13 16:11:22,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:11:22,423 INFO L225 Difference]: With dead ends: 1942 [2024-11-13 16:11:22,424 INFO L226 Difference]: Without dead ends: 1157 [2024-11-13 16:11:22,425 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:22,427 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 120 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:11:22,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 190 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 16:11:22,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2024-11-13 16:11:22,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1156. [2024-11-13 16:11:22,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 1155 states have (on average 1.277922077922078) internal successors, (1476), 1155 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:22,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1476 transitions. [2024-11-13 16:11:22,476 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1476 transitions. Word has length 98 [2024-11-13 16:11:22,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:11:22,478 INFO L471 AbstractCegarLoop]: Abstraction has 1156 states and 1476 transitions. [2024-11-13 16:11:22,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:22,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1476 transitions. [2024-11-13 16:11:22,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-13 16:11:22,480 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:11:22,481 INFO L215 NwaCegarLoop]: trace histogram [2, 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] [2024-11-13 16:11:22,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 16:11:22,483 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:11:22,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:22,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1431867861, now seen corresponding path program 1 times [2024-11-13 16:11:22,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:22,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328896797] [2024-11-13 16:11:22,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:22,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:22,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:22,840 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:11:22,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:22,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328896797] [2024-11-13 16:11:22,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328896797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:22,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:22,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:11:22,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335855320] [2024-11-13 16:11:22,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:22,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:11:22,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:22,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:11:22,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:22,846 INFO L87 Difference]: Start difference. First operand 1156 states and 1476 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:24,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:11:24,104 INFO L93 Difference]: Finished difference Result 2691 states and 3515 transitions. [2024-11-13 16:11:24,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:11:24,104 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2024-11-13 16:11:24,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:11:24,113 INFO L225 Difference]: With dead ends: 2691 [2024-11-13 16:11:24,113 INFO L226 Difference]: Without dead ends: 1721 [2024-11-13 16:11:24,114 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:24,118 INFO L432 NwaCegarLoop]: 314 mSDtfsCounter, 177 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:11:24,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 335 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 16:11:24,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1721 states. [2024-11-13 16:11:24,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 1528. [2024-11-13 16:11:24,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1528 states, 1527 states have (on average 1.261296660117878) internal successors, (1926), 1527 states have internal predecessors, (1926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:24,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1528 states and 1926 transitions. [2024-11-13 16:11:24,166 INFO L78 Accepts]: Start accepts. Automaton has 1528 states and 1926 transitions. Word has length 141 [2024-11-13 16:11:24,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:11:24,166 INFO L471 AbstractCegarLoop]: Abstraction has 1528 states and 1926 transitions. [2024-11-13 16:11:24,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:24,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 1926 transitions. [2024-11-13 16:11:24,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-13 16:11:24,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:11:24,170 INFO L215 NwaCegarLoop]: trace histogram [2, 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] [2024-11-13 16:11:24,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 16:11:24,170 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:11:24,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:24,170 INFO L85 PathProgramCache]: Analyzing trace with hash 408952851, now seen corresponding path program 1 times [2024-11-13 16:11:24,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:24,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908429619] [2024-11-13 16:11:24,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:24,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:24,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:24,435 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:11:24,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:24,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908429619] [2024-11-13 16:11:24,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908429619] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:24,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:24,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:11:24,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895830693] [2024-11-13 16:11:24,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:24,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:11:24,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:24,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:11:24,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:24,438 INFO L87 Difference]: Start difference. First operand 1528 states and 1926 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 2 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:25,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:11:25,665 INFO L93 Difference]: Finished difference Result 4158 states and 5316 transitions. [2024-11-13 16:11:25,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:11:25,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 2 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 156 [2024-11-13 16:11:25,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:11:25,677 INFO L225 Difference]: With dead ends: 4158 [2024-11-13 16:11:25,677 INFO L226 Difference]: Without dead ends: 2632 [2024-11-13 16:11:25,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:25,682 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 115 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:11:25,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 155 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 16:11:25,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2632 states. [2024-11-13 16:11:25,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2632 to 2448. [2024-11-13 16:11:25,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2448 states, 2447 states have (on average 1.2174090723334696) internal successors, (2979), 2447 states have internal predecessors, (2979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:25,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2448 states to 2448 states and 2979 transitions. [2024-11-13 16:11:25,756 INFO L78 Accepts]: Start accepts. Automaton has 2448 states and 2979 transitions. Word has length 156 [2024-11-13 16:11:25,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:11:25,757 INFO L471 AbstractCegarLoop]: Abstraction has 2448 states and 2979 transitions. [2024-11-13 16:11:25,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 2 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:25,758 INFO L276 IsEmpty]: Start isEmpty. Operand 2448 states and 2979 transitions. [2024-11-13 16:11:25,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-13 16:11:25,763 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:11:25,763 INFO L215 NwaCegarLoop]: trace histogram [2, 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] [2024-11-13 16:11:25,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 16:11:25,763 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:11:25,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:25,764 INFO L85 PathProgramCache]: Analyzing trace with hash -219047501, now seen corresponding path program 1 times [2024-11-13 16:11:25,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:25,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842685890] [2024-11-13 16:11:25,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:25,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:26,021 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:11:26,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:26,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842685890] [2024-11-13 16:11:26,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842685890] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:26,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:26,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:11:26,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404143206] [2024-11-13 16:11:26,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:26,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:11:26,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:26,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:11:26,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:26,025 INFO L87 Difference]: Start difference. First operand 2448 states and 2979 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:27,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:11:27,174 INFO L93 Difference]: Finished difference Result 5639 states and 6868 transitions. [2024-11-13 16:11:27,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:11:27,175 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2024-11-13 16:11:27,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:11:27,187 INFO L225 Difference]: With dead ends: 5639 [2024-11-13 16:11:27,187 INFO L226 Difference]: Without dead ends: 3193 [2024-11-13 16:11:27,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:27,191 INFO L432 NwaCegarLoop]: 338 mSDtfsCounter, 172 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:11:27,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 359 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 16:11:27,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3193 states. [2024-11-13 16:11:27,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3193 to 3184. [2024-11-13 16:11:27,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3184 states, 3183 states have (on average 1.1991831605403707) internal successors, (3817), 3183 states have internal predecessors, (3817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:27,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 3184 states and 3817 transitions. [2024-11-13 16:11:27,267 INFO L78 Accepts]: Start accepts. Automaton has 3184 states and 3817 transitions. Word has length 172 [2024-11-13 16:11:27,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:11:27,267 INFO L471 AbstractCegarLoop]: Abstraction has 3184 states and 3817 transitions. [2024-11-13 16:11:27,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:27,268 INFO L276 IsEmpty]: Start isEmpty. Operand 3184 states and 3817 transitions. [2024-11-13 16:11:27,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-13 16:11:27,271 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:11:27,271 INFO L215 NwaCegarLoop]: trace histogram [2, 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] [2024-11-13 16:11:27,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 16:11:27,276 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:11:27,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:27,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1159347915, now seen corresponding path program 1 times [2024-11-13 16:11:27,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:27,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311269042] [2024-11-13 16:11:27,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:27,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:27,620 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 16:11:27,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:27,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311269042] [2024-11-13 16:11:27,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311269042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:27,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:27,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:11:27,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919223234] [2024-11-13 16:11:27,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:27,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:11:27,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:27,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:11:27,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:27,622 INFO L87 Difference]: Start difference. First operand 3184 states and 3817 transitions. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:28,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:11:28,594 INFO L93 Difference]: Finished difference Result 7108 states and 8504 transitions. [2024-11-13 16:11:28,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:11:28,595 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 210 [2024-11-13 16:11:28,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:11:28,605 INFO L225 Difference]: With dead ends: 7108 [2024-11-13 16:11:28,605 INFO L226 Difference]: Without dead ends: 3926 [2024-11-13 16:11:28,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:28,609 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 37 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 16:11:28,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 154 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 16:11:28,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3926 states. [2024-11-13 16:11:28,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3926 to 3925. [2024-11-13 16:11:28,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3925 states, 3924 states have (on average 1.193934760448522) internal successors, (4685), 3924 states have internal predecessors, (4685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:28,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3925 states to 3925 states and 4685 transitions. [2024-11-13 16:11:28,681 INFO L78 Accepts]: Start accepts. Automaton has 3925 states and 4685 transitions. Word has length 210 [2024-11-13 16:11:28,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:11:28,681 INFO L471 AbstractCegarLoop]: Abstraction has 3925 states and 4685 transitions. [2024-11-13 16:11:28,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:28,681 INFO L276 IsEmpty]: Start isEmpty. Operand 3925 states and 4685 transitions. [2024-11-13 16:11:28,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-13 16:11:28,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:11:28,684 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-13 16:11:28,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 16:11:28,685 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:11:28,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:28,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1211555561, now seen corresponding path program 1 times [2024-11-13 16:11:28,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:28,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146907535] [2024-11-13 16:11:28,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:28,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:29,002 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-13 16:11:29,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:29,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146907535] [2024-11-13 16:11:29,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146907535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:29,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:29,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:11:29,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418456417] [2024-11-13 16:11:29,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:29,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:11:29,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:29,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:11:29,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:29,004 INFO L87 Difference]: Start difference. First operand 3925 states and 4685 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:30,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:11:30,329 INFO L93 Difference]: Finished difference Result 8591 states and 10347 transitions. [2024-11-13 16:11:30,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:11:30,329 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 211 [2024-11-13 16:11:30,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:11:30,342 INFO L225 Difference]: With dead ends: 8591 [2024-11-13 16:11:30,342 INFO L226 Difference]: Without dead ends: 4668 [2024-11-13 16:11:30,347 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:30,348 INFO L432 NwaCegarLoop]: 369 mSDtfsCounter, 168 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:11:30,348 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 390 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 16:11:30,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4668 states. [2024-11-13 16:11:30,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4668 to 4477. [2024-11-13 16:11:30,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4477 states, 4476 states have (on average 1.1861036639857014) internal successors, (5309), 4476 states have internal predecessors, (5309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:30,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4477 states to 4477 states and 5309 transitions. [2024-11-13 16:11:30,444 INFO L78 Accepts]: Start accepts. Automaton has 4477 states and 5309 transitions. Word has length 211 [2024-11-13 16:11:30,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:11:30,445 INFO L471 AbstractCegarLoop]: Abstraction has 4477 states and 5309 transitions. [2024-11-13 16:11:30,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:30,446 INFO L276 IsEmpty]: Start isEmpty. Operand 4477 states and 5309 transitions. [2024-11-13 16:11:30,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-11-13 16:11:30,449 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:11:30,450 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-13 16:11:30,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 16:11:30,450 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:11:30,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:30,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1515833353, now seen corresponding path program 1 times [2024-11-13 16:11:30,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:30,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411861848] [2024-11-13 16:11:30,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:30,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:31,161 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:11:31,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:31,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411861848] [2024-11-13 16:11:31,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411861848] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:31,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:31,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:11:31,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027877780] [2024-11-13 16:11:31,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:31,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:11:31,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:31,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:11:31,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:11:31,165 INFO L87 Difference]: Start difference. First operand 4477 states and 5309 transitions. Second operand has 4 states, 4 states have (on average 57.75) internal successors, (231), 4 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:33,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:11:33,160 INFO L93 Difference]: Finished difference Result 14321 states and 17014 transitions. [2024-11-13 16:11:33,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:11:33,161 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 57.75) internal successors, (231), 4 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2024-11-13 16:11:33,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:11:33,185 INFO L225 Difference]: With dead ends: 14321 [2024-11-13 16:11:33,185 INFO L226 Difference]: Without dead ends: 9846 [2024-11-13 16:11:33,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:11:33,191 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 309 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 1072 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 1200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 1072 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-13 16:11:33,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 191 Invalid, 1200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 1072 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-13 16:11:33,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9846 states. [2024-11-13 16:11:33,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9846 to 7627. [2024-11-13 16:11:33,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7627 states, 7626 states have (on average 1.1702071859428271) internal successors, (8924), 7626 states have internal predecessors, (8924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:33,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7627 states to 7627 states and 8924 transitions. [2024-11-13 16:11:33,366 INFO L78 Accepts]: Start accepts. Automaton has 7627 states and 8924 transitions. Word has length 231 [2024-11-13 16:11:33,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:11:33,367 INFO L471 AbstractCegarLoop]: Abstraction has 7627 states and 8924 transitions. [2024-11-13 16:11:33,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 57.75) internal successors, (231), 4 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:33,367 INFO L276 IsEmpty]: Start isEmpty. Operand 7627 states and 8924 transitions. [2024-11-13 16:11:33,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2024-11-13 16:11:33,372 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:11:33,372 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-13 16:11:33,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 16:11:33,372 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:11:33,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:33,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1621617666, now seen corresponding path program 1 times [2024-11-13 16:11:33,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:33,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78710321] [2024-11-13 16:11:33,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:33,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:33,952 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:11:33,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:33,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78710321] [2024-11-13 16:11:33,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78710321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:33,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:33,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:11:33,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633213180] [2024-11-13 16:11:33,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:33,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:11:33,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:33,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:11:33,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:11:33,954 INFO L87 Difference]: Start difference. First operand 7627 states and 8924 transitions. Second operand has 4 states, 4 states have (on average 60.25) internal successors, (241), 4 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:36,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:11:36,180 INFO L93 Difference]: Finished difference Result 20234 states and 23746 transitions. [2024-11-13 16:11:36,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:11:36,181 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 60.25) internal successors, (241), 4 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 241 [2024-11-13 16:11:36,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:11:36,214 INFO L225 Difference]: With dead ends: 20234 [2024-11-13 16:11:36,214 INFO L226 Difference]: Without dead ends: 12609 [2024-11-13 16:11:36,222 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:11:36,223 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 323 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1135 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 1337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 1135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:11:36,223 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 113 Invalid, 1337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 1135 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-13 16:11:36,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12609 states. [2024-11-13 16:11:36,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12609 to 10202. [2024-11-13 16:11:36,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10202 states, 10201 states have (on average 1.1734143711400844) internal successors, (11970), 10201 states have internal predecessors, (11970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:36,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10202 states to 10202 states and 11970 transitions. [2024-11-13 16:11:36,503 INFO L78 Accepts]: Start accepts. Automaton has 10202 states and 11970 transitions. Word has length 241 [2024-11-13 16:11:36,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:11:36,504 INFO L471 AbstractCegarLoop]: Abstraction has 10202 states and 11970 transitions. [2024-11-13 16:11:36,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 60.25) internal successors, (241), 4 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:36,504 INFO L276 IsEmpty]: Start isEmpty. Operand 10202 states and 11970 transitions. [2024-11-13 16:11:36,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2024-11-13 16:11:36,509 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:11:36,510 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-13 16:11:36,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 16:11:36,511 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:11:36,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:36,512 INFO L85 PathProgramCache]: Analyzing trace with hash -299668725, now seen corresponding path program 1 times [2024-11-13 16:11:36,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:36,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578388679] [2024-11-13 16:11:36,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:36,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:36,826 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:11:36,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:36,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578388679] [2024-11-13 16:11:36,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578388679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:36,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:36,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:11:36,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961829492] [2024-11-13 16:11:36,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:36,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:11:36,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:36,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:11:36,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:36,828 INFO L87 Difference]: Start difference. First operand 10202 states and 11970 transitions. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:38,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:11:38,009 INFO L93 Difference]: Finished difference Result 20399 states and 23935 transitions. [2024-11-13 16:11:38,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:11:38,010 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 241 [2024-11-13 16:11:38,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:11:38,036 INFO L225 Difference]: With dead ends: 20399 [2024-11-13 16:11:38,037 INFO L226 Difference]: Without dead ends: 10199 [2024-11-13 16:11:38,045 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:38,046 INFO L432 NwaCegarLoop]: 285 mSDtfsCounter, 148 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:11:38,046 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 305 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 16:11:38,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10199 states. [2024-11-13 16:11:38,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10199 to 10199. [2024-11-13 16:11:38,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10199 states, 10198 states have (on average 1.1445381447342615) internal successors, (11672), 10198 states have internal predecessors, (11672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:38,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10199 states to 10199 states and 11672 transitions. [2024-11-13 16:11:38,300 INFO L78 Accepts]: Start accepts. Automaton has 10199 states and 11672 transitions. Word has length 241 [2024-11-13 16:11:38,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:11:38,301 INFO L471 AbstractCegarLoop]: Abstraction has 10199 states and 11672 transitions. [2024-11-13 16:11:38,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:38,302 INFO L276 IsEmpty]: Start isEmpty. Operand 10199 states and 11672 transitions. [2024-11-13 16:11:38,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2024-11-13 16:11:38,306 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:11:38,307 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-13 16:11:38,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 16:11:38,308 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:11:38,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:38,308 INFO L85 PathProgramCache]: Analyzing trace with hash -602182320, now seen corresponding path program 1 times [2024-11-13 16:11:38,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:38,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186403310] [2024-11-13 16:11:38,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:38,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:38,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:38,500 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-11-13 16:11:38,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:38,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186403310] [2024-11-13 16:11:38,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186403310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:38,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:38,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:11:38,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215414349] [2024-11-13 16:11:38,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:38,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:11:38,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:38,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:11:38,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:38,505 INFO L87 Difference]: Start difference. First operand 10199 states and 11672 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:39,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:11:39,932 INFO L93 Difference]: Finished difference Result 22787 states and 26113 transitions. [2024-11-13 16:11:39,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:11:39,932 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 243 [2024-11-13 16:11:39,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:11:39,964 INFO L225 Difference]: With dead ends: 22787 [2024-11-13 16:11:39,965 INFO L226 Difference]: Without dead ends: 12590 [2024-11-13 16:11:39,973 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:39,974 INFO L432 NwaCegarLoop]: 347 mSDtfsCounter, 169 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-13 16:11:39,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 370 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-13 16:11:39,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12590 states. [2024-11-13 16:11:40,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12590 to 11114. [2024-11-13 16:11:40,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11114 states, 11113 states have (on average 1.1383064878970575) internal successors, (12650), 11113 states have internal predecessors, (12650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:40,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11114 states to 11114 states and 12650 transitions. [2024-11-13 16:11:40,143 INFO L78 Accepts]: Start accepts. Automaton has 11114 states and 12650 transitions. Word has length 243 [2024-11-13 16:11:40,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:11:40,144 INFO L471 AbstractCegarLoop]: Abstraction has 11114 states and 12650 transitions. [2024-11-13 16:11:40,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:40,144 INFO L276 IsEmpty]: Start isEmpty. Operand 11114 states and 12650 transitions. [2024-11-13 16:11:40,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-11-13 16:11:40,151 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:11:40,151 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-13 16:11:40,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 16:11:40,151 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:11:40,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:40,152 INFO L85 PathProgramCache]: Analyzing trace with hash -703580966, now seen corresponding path program 1 times [2024-11-13 16:11:40,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:40,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069622713] [2024-11-13 16:11:40,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:40,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:40,591 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-13 16:11:40,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:40,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069622713] [2024-11-13 16:11:40,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069622713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:40,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:40,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:11:40,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907881820] [2024-11-13 16:11:40,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:40,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:11:40,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:40,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:11:40,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:40,595 INFO L87 Difference]: Start difference. First operand 11114 states and 12650 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:41,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:11:41,847 INFO L93 Difference]: Finished difference Result 22413 states and 25494 transitions. [2024-11-13 16:11:41,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:11:41,848 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 248 [2024-11-13 16:11:41,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:11:41,875 INFO L225 Difference]: With dead ends: 22413 [2024-11-13 16:11:41,875 INFO L226 Difference]: Without dead ends: 11301 [2024-11-13 16:11:41,884 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:41,885 INFO L432 NwaCegarLoop]: 351 mSDtfsCounter, 171 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 575 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:11:41,885 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 373 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 575 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 16:11:41,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11301 states. [2024-11-13 16:11:42,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11301 to 11113. [2024-11-13 16:11:42,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11113 states, 11112 states have (on average 1.1175305975521959) internal successors, (12418), 11112 states have internal predecessors, (12418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:42,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11113 states to 11113 states and 12418 transitions. [2024-11-13 16:11:42,037 INFO L78 Accepts]: Start accepts. Automaton has 11113 states and 12418 transitions. Word has length 248 [2024-11-13 16:11:42,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:11:42,038 INFO L471 AbstractCegarLoop]: Abstraction has 11113 states and 12418 transitions. [2024-11-13 16:11:42,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:42,038 INFO L276 IsEmpty]: Start isEmpty. Operand 11113 states and 12418 transitions. [2024-11-13 16:11:42,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-11-13 16:11:42,042 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:11:42,043 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-13 16:11:42,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 16:11:42,043 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:11:42,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:42,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1783309935, now seen corresponding path program 1 times [2024-11-13 16:11:42,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:42,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642075434] [2024-11-13 16:11:42,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:42,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:42,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:42,822 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 109 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:11:42,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:42,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642075434] [2024-11-13 16:11:42,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642075434] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:11:42,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517269540] [2024-11-13 16:11:42,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:42,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:11:42,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688997e0-4164-4eaf-b2c7-7f67c9911256/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:11:42,828 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688997e0-4164-4eaf-b2c7-7f67c9911256/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:11:42,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688997e0-4164-4eaf-b2c7-7f67c9911256/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 16:11:43,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:43,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:11:43,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:11:43,783 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:11:43,783 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:11:43,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517269540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:43,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:11:43,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-13 16:11:43,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150119980] [2024-11-13 16:11:43,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:43,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:11:43,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:43,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:11:43,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:11:43,786 INFO L87 Difference]: Start difference. First operand 11113 states and 12418 transitions. Second operand has 4 states, 4 states have (on average 65.5) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:45,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:11:45,215 INFO L93 Difference]: Finished difference Result 22227 states and 24838 transitions. [2024-11-13 16:11:45,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:11:45,216 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 65.5) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 262 [2024-11-13 16:11:45,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:11:45,243 INFO L225 Difference]: With dead ends: 22227 [2024-11-13 16:11:45,244 INFO L226 Difference]: Without dead ends: 11116 [2024-11-13 16:11:45,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:11:45,252 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 171 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 1078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-13 16:11:45,253 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 170 Invalid, 1078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1037 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-13 16:11:45,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11116 states. [2024-11-13 16:11:45,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11116 to 11113. [2024-11-13 16:11:45,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11113 states, 11112 states have (on average 1.1164506839452844) internal successors, (12406), 11112 states have internal predecessors, (12406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:45,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11113 states to 11113 states and 12406 transitions. [2024-11-13 16:11:45,404 INFO L78 Accepts]: Start accepts. Automaton has 11113 states and 12406 transitions. Word has length 262 [2024-11-13 16:11:45,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:11:45,405 INFO L471 AbstractCegarLoop]: Abstraction has 11113 states and 12406 transitions. [2024-11-13 16:11:45,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 65.5) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:45,405 INFO L276 IsEmpty]: Start isEmpty. Operand 11113 states and 12406 transitions. [2024-11-13 16:11:45,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-13 16:11:45,412 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:11:45,412 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-13 16:11:45,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688997e0-4164-4eaf-b2c7-7f67c9911256/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 16:11:45,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688997e0-4164-4eaf-b2c7-7f67c9911256/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:11:45,613 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:11:45,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:45,614 INFO L85 PathProgramCache]: Analyzing trace with hash 756760585, now seen corresponding path program 1 times [2024-11-13 16:11:45,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:45,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481171013] [2024-11-13 16:11:45,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:45,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:45,863 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2024-11-13 16:11:45,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:45,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481171013] [2024-11-13 16:11:45,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481171013] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:45,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:45,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:11:45,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487467404] [2024-11-13 16:11:45,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:45,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:11:45,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:45,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:11:45,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:45,867 INFO L87 Difference]: Start difference. First operand 11113 states and 12406 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:46,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:11:46,841 INFO L93 Difference]: Finished difference Result 24615 states and 27485 transitions. [2024-11-13 16:11:46,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:11:46,842 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 296 [2024-11-13 16:11:46,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:11:46,866 INFO L225 Difference]: With dead ends: 24615 [2024-11-13 16:11:46,866 INFO L226 Difference]: Without dead ends: 13504 [2024-11-13 16:11:46,874 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:46,875 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 192 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 16:11:46,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 144 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 16:11:46,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13504 states. [2024-11-13 16:11:47,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13504 to 11108. [2024-11-13 16:11:47,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11108 states, 11107 states have (on average 1.1173134059602052) internal successors, (12410), 11107 states have internal predecessors, (12410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:47,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11108 states to 11108 states and 12410 transitions. [2024-11-13 16:11:47,107 INFO L78 Accepts]: Start accepts. Automaton has 11108 states and 12410 transitions. Word has length 296 [2024-11-13 16:11:47,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:11:47,108 INFO L471 AbstractCegarLoop]: Abstraction has 11108 states and 12410 transitions. [2024-11-13 16:11:47,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:47,108 INFO L276 IsEmpty]: Start isEmpty. Operand 11108 states and 12410 transitions. [2024-11-13 16:11:47,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-11-13 16:11:47,115 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:11:47,116 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-13 16:11:47,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 16:11:47,117 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:11:47,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:47,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1310727339, now seen corresponding path program 1 times [2024-11-13 16:11:47,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:47,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013583084] [2024-11-13 16:11:47,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:47,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:47,745 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-13 16:11:47,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:47,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013583084] [2024-11-13 16:11:47,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013583084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:47,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:47,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:11:47,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770059502] [2024-11-13 16:11:47,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:47,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:11:47,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:47,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:11:47,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:11:47,748 INFO L87 Difference]: Start difference. First operand 11108 states and 12410 transitions. Second operand has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:49,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:11:49,409 INFO L93 Difference]: Finished difference Result 27772 states and 31008 transitions. [2024-11-13 16:11:49,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:11:49,409 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 300 [2024-11-13 16:11:49,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:11:49,435 INFO L225 Difference]: With dead ends: 27772 [2024-11-13 16:11:49,435 INFO L226 Difference]: Without dead ends: 15925 [2024-11-13 16:11:49,445 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:11:49,446 INFO L432 NwaCegarLoop]: 358 mSDtfsCounter, 311 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 1140 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 1218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 1140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-13 16:11:49,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 399 Invalid, 1218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 1140 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-13 16:11:49,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15925 states. [2024-11-13 16:11:49,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15925 to 12597. [2024-11-13 16:11:49,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12597 states, 12596 states have (on average 1.11765639885678) internal successors, (14078), 12596 states have internal predecessors, (14078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:49,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12597 states to 12597 states and 14078 transitions. [2024-11-13 16:11:49,706 INFO L78 Accepts]: Start accepts. Automaton has 12597 states and 14078 transitions. Word has length 300 [2024-11-13 16:11:49,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:11:49,707 INFO L471 AbstractCegarLoop]: Abstraction has 12597 states and 14078 transitions. [2024-11-13 16:11:49,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:49,708 INFO L276 IsEmpty]: Start isEmpty. Operand 12597 states and 14078 transitions. [2024-11-13 16:11:49,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2024-11-13 16:11:49,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:11:49,714 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-13 16:11:49,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 16:11:49,715 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:11:49,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:49,715 INFO L85 PathProgramCache]: Analyzing trace with hash -225908525, now seen corresponding path program 1 times [2024-11-13 16:11:49,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:49,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409768665] [2024-11-13 16:11:49,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:49,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:50,770 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 174 proven. 80 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 16:11:50,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:50,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409768665] [2024-11-13 16:11:50,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409768665] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:11:50,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968129792] [2024-11-13 16:11:50,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:50,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:11:50,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688997e0-4164-4eaf-b2c7-7f67c9911256/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:11:50,774 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688997e0-4164-4eaf-b2c7-7f67c9911256/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:11:50,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688997e0-4164-4eaf-b2c7-7f67c9911256/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 16:11:50,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:50,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:11:50,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:11:51,748 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 16:11:51,748 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:11:51,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968129792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:51,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:11:51,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2024-11-13 16:11:51,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688039225] [2024-11-13 16:11:51,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:51,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:11:51,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:51,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:11:51,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 16:11:51,750 INFO L87 Difference]: Start difference. First operand 12597 states and 14078 transitions. Second operand has 4 states, 4 states have (on average 58.25) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:52,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:11:52,894 INFO L93 Difference]: Finished difference Result 25378 states and 28346 transitions. [2024-11-13 16:11:52,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:11:52,895 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.25) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 316 [2024-11-13 16:11:52,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:11:52,915 INFO L225 Difference]: With dead ends: 25378 [2024-11-13 16:11:52,915 INFO L226 Difference]: Without dead ends: 12783 [2024-11-13 16:11:52,923 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 16:11:52,924 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 293 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:11:52,924 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 150 Invalid, 798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 733 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 16:11:52,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12783 states. [2024-11-13 16:11:53,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12783 to 12597. [2024-11-13 16:11:53,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12597 states, 12596 states have (on average 1.116703715465227) internal successors, (14066), 12596 states have internal predecessors, (14066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:53,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12597 states to 12597 states and 14066 transitions. [2024-11-13 16:11:53,239 INFO L78 Accepts]: Start accepts. Automaton has 12597 states and 14066 transitions. Word has length 316 [2024-11-13 16:11:53,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:11:53,240 INFO L471 AbstractCegarLoop]: Abstraction has 12597 states and 14066 transitions. [2024-11-13 16:11:53,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.25) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:53,240 INFO L276 IsEmpty]: Start isEmpty. Operand 12597 states and 14066 transitions. [2024-11-13 16:11:53,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2024-11-13 16:11:53,246 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:11:53,247 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-13 16:11:53,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688997e0-4164-4eaf-b2c7-7f67c9911256/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 16:11:53,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688997e0-4164-4eaf-b2c7-7f67c9911256/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-13 16:11:53,448 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:11:53,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:53,449 INFO L85 PathProgramCache]: Analyzing trace with hash -833963593, now seen corresponding path program 1 times [2024-11-13 16:11:53,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:53,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049875340] [2024-11-13 16:11:53,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:53,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:53,892 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-13 16:11:53,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:53,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049875340] [2024-11-13 16:11:53,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049875340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:53,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:53,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:11:53,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816093068] [2024-11-13 16:11:53,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:53,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:11:53,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:53,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:11:53,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:53,895 INFO L87 Difference]: Start difference. First operand 12597 states and 14066 transitions. Second operand has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:55,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:11:55,180 INFO L93 Difference]: Finished difference Result 27596 states and 30780 transitions. [2024-11-13 16:11:55,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:11:55,182 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 327 [2024-11-13 16:11:55,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:11:55,199 INFO L225 Difference]: With dead ends: 27596 [2024-11-13 16:11:55,200 INFO L226 Difference]: Without dead ends: 15001 [2024-11-13 16:11:55,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:55,210 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 193 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:11:55,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 135 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 16:11:55,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15001 states. [2024-11-13 16:11:55,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15001 to 11481. [2024-11-13 16:11:55,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11481 states, 11480 states have (on average 1.1169860627177701) internal successors, (12823), 11480 states have internal predecessors, (12823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:55,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11481 states to 11481 states and 12823 transitions. [2024-11-13 16:11:55,478 INFO L78 Accepts]: Start accepts. Automaton has 11481 states and 12823 transitions. Word has length 327 [2024-11-13 16:11:55,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:11:55,480 INFO L471 AbstractCegarLoop]: Abstraction has 11481 states and 12823 transitions. [2024-11-13 16:11:55,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:55,481 INFO L276 IsEmpty]: Start isEmpty. Operand 11481 states and 12823 transitions. [2024-11-13 16:11:55,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2024-11-13 16:11:55,486 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:11:55,486 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-13 16:11:55,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 16:11:55,486 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:11:55,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:55,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1332049416, now seen corresponding path program 1 times [2024-11-13 16:11:55,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:55,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371884002] [2024-11-13 16:11:55,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:55,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:56,022 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-13 16:11:56,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:56,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371884002] [2024-11-13 16:11:56,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371884002] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:56,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:56,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:11:56,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657000172] [2024-11-13 16:11:56,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:56,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:11:56,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:56,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:11:56,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:11:56,024 INFO L87 Difference]: Start difference. First operand 11481 states and 12823 transitions. Second operand has 4 states, 4 states have (on average 60.75) internal successors, (243), 4 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:57,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:11:57,856 INFO L93 Difference]: Finished difference Result 27206 states and 30325 transitions. [2024-11-13 16:11:57,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:11:57,857 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 60.75) internal successors, (243), 4 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 338 [2024-11-13 16:11:57,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:11:57,878 INFO L225 Difference]: With dead ends: 27206 [2024-11-13 16:11:57,878 INFO L226 Difference]: Without dead ends: 15172 [2024-11-13 16:11:57,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:11:57,888 INFO L432 NwaCegarLoop]: 319 mSDtfsCounter, 306 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 1412 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 1507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 1412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-13 16:11:57,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 367 Invalid, 1507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 1412 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-13 16:11:57,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15172 states. [2024-11-13 16:11:58,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15172 to 10360. [2024-11-13 16:11:58,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10360 states, 10359 states have (on average 1.1105319046239985) internal successors, (11504), 10359 states have internal predecessors, (11504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:58,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10360 states to 10360 states and 11504 transitions. [2024-11-13 16:11:58,131 INFO L78 Accepts]: Start accepts. Automaton has 10360 states and 11504 transitions. Word has length 338 [2024-11-13 16:11:58,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:11:58,131 INFO L471 AbstractCegarLoop]: Abstraction has 10360 states and 11504 transitions. [2024-11-13 16:11:58,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 60.75) internal successors, (243), 4 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:58,132 INFO L276 IsEmpty]: Start isEmpty. Operand 10360 states and 11504 transitions. [2024-11-13 16:11:58,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2024-11-13 16:11:58,142 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:11:58,142 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-13 16:11:58,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 16:11:58,143 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:11:58,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:58,143 INFO L85 PathProgramCache]: Analyzing trace with hash 2019309947, now seen corresponding path program 1 times [2024-11-13 16:11:58,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:58,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74888181] [2024-11-13 16:11:58,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:58,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:58,640 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-13 16:11:58,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:58,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74888181] [2024-11-13 16:11:58,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74888181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:58,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:58,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:11:58,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010425893] [2024-11-13 16:11:58,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:58,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:11:58,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:58,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:11:58,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:11:58,644 INFO L87 Difference]: Start difference. First operand 10360 states and 11504 transitions. Second operand has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:59,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:11:59,964 INFO L93 Difference]: Finished difference Result 22193 states and 24552 transitions. [2024-11-13 16:11:59,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:11:59,964 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 351 [2024-11-13 16:11:59,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:11:59,974 INFO L225 Difference]: With dead ends: 22193 [2024-11-13 16:11:59,974 INFO L226 Difference]: Without dead ends: 11835 [2024-11-13 16:11:59,980 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:11:59,980 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 328 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 875 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 1012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:11:59,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 57 Invalid, 1012 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 875 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 16:11:59,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11835 states. [2024-11-13 16:12:00,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11835 to 9619. [2024-11-13 16:12:00,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9619 states, 9618 states have (on average 1.1072988147223954) internal successors, (10650), 9618 states have internal predecessors, (10650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:12:00,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9619 states to 9619 states and 10650 transitions. [2024-11-13 16:12:00,091 INFO L78 Accepts]: Start accepts. Automaton has 9619 states and 10650 transitions. Word has length 351 [2024-11-13 16:12:00,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:12:00,092 INFO L471 AbstractCegarLoop]: Abstraction has 9619 states and 10650 transitions. [2024-11-13 16:12:00,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:12:00,092 INFO L276 IsEmpty]: Start isEmpty. Operand 9619 states and 10650 transitions. [2024-11-13 16:12:00,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2024-11-13 16:12:00,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:12:00,097 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2024-11-13 16:12:00,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 16:12:00,097 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:12:00,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:12:00,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1420194107, now seen corresponding path program 1 times [2024-11-13 16:12:00,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:12:00,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978755365] [2024-11-13 16:12:00,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:12:00,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:12:00,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:00,467 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 368 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-13 16:12:00,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:12:00,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978755365] [2024-11-13 16:12:00,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978755365] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:12:00,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:12:00,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:12:00,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172379388] [2024-11-13 16:12:00,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:12:00,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:12:00,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:12:00,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:12:00,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:12:00,474 INFO L87 Difference]: Start difference. First operand 9619 states and 10650 transitions. Second operand has 4 states, 4 states have (on average 90.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:12:02,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:12:02,038 INFO L93 Difference]: Finished difference Result 26249 states and 29041 transitions. [2024-11-13 16:12:02,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:12:02,039 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 90.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 386 [2024-11-13 16:12:02,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:12:02,058 INFO L225 Difference]: With dead ends: 26249 [2024-11-13 16:12:02,058 INFO L226 Difference]: Without dead ends: 16632 [2024-11-13 16:12:02,066 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:12:02,067 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 220 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 1021 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 1136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 1021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 16:12:02,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 64 Invalid, 1136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 1021 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 16:12:02,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16632 states. [2024-11-13 16:12:02,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16632 to 15333. [2024-11-13 16:12:02,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15333 states, 15332 states have (on average 1.1049439081659276) internal successors, (16941), 15332 states have internal predecessors, (16941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:12:02,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15333 states to 15333 states and 16941 transitions. [2024-11-13 16:12:02,256 INFO L78 Accepts]: Start accepts. Automaton has 15333 states and 16941 transitions. Word has length 386 [2024-11-13 16:12:02,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:12:02,256 INFO L471 AbstractCegarLoop]: Abstraction has 15333 states and 16941 transitions. [2024-11-13 16:12:02,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 90.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:12:02,257 INFO L276 IsEmpty]: Start isEmpty. Operand 15333 states and 16941 transitions. [2024-11-13 16:12:02,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2024-11-13 16:12:02,271 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:12:02,271 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:12:02,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 16:12:02,272 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:12:02,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:12:02,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1665177731, now seen corresponding path program 1 times [2024-11-13 16:12:02,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:12:02,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283468583] [2024-11-13 16:12:02,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:12:02,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:12:02,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:02,759 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 627 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-11-13 16:12:02,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:12:02,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283468583] [2024-11-13 16:12:02,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283468583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:12:02,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:12:02,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:12:02,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960301523] [2024-11-13 16:12:02,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:12:02,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:12:02,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:12:02,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:12:02,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:12:02,762 INFO L87 Difference]: Start difference. First operand 15333 states and 16941 transitions. Second operand has 4 states, 4 states have (on average 94.5) internal successors, (378), 3 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:12:04,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:12:04,337 INFO L93 Difference]: Finished difference Result 29567 states and 32664 transitions. [2024-11-13 16:12:04,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:12:04,338 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 94.5) internal successors, (378), 3 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 531 [2024-11-13 16:12:04,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:12:04,353 INFO L225 Difference]: With dead ends: 29567 [2024-11-13 16:12:04,353 INFO L226 Difference]: Without dead ends: 16632 [2024-11-13 16:12:04,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:12:04,361 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 175 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 1076 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 1076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 16:12:04,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 71 Invalid, 1156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 1076 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 16:12:04,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16632 states. [2024-11-13 16:12:04,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16632 to 15149. [2024-11-13 16:12:04,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15149 states, 15148 states have (on average 1.1043041985740691) internal successors, (16728), 15148 states have internal predecessors, (16728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:12:04,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15149 states to 15149 states and 16728 transitions. [2024-11-13 16:12:04,524 INFO L78 Accepts]: Start accepts. Automaton has 15149 states and 16728 transitions. Word has length 531 [2024-11-13 16:12:04,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:12:04,525 INFO L471 AbstractCegarLoop]: Abstraction has 15149 states and 16728 transitions. [2024-11-13 16:12:04,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 94.5) internal successors, (378), 3 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:12:04,525 INFO L276 IsEmpty]: Start isEmpty. Operand 15149 states and 16728 transitions. [2024-11-13 16:12:04,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2024-11-13 16:12:04,539 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:12:04,539 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2024-11-13 16:12:04,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-13 16:12:04,539 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:12:04,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:12:04,540 INFO L85 PathProgramCache]: Analyzing trace with hash -481357369, now seen corresponding path program 1 times [2024-11-13 16:12:04,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:12:04,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350802085] [2024-11-13 16:12:04,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:12:04,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:12:04,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:04,923 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 484 proven. 0 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked. [2024-11-13 16:12:04,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:12:04,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350802085] [2024-11-13 16:12:04,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350802085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:12:04,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:12:04,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:12:04,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103888076] [2024-11-13 16:12:04,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:12:04,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:12:04,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:12:04,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:12:04,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:12:04,925 INFO L87 Difference]: Start difference. First operand 15149 states and 16728 transitions. Second operand has 3 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:12:05,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:12:05,908 INFO L93 Difference]: Finished difference Result 28100 states and 31045 transitions. [2024-11-13 16:12:05,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:12:05,909 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 545 [2024-11-13 16:12:05,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:12:05,926 INFO L225 Difference]: With dead ends: 28100 [2024-11-13 16:12:05,927 INFO L226 Difference]: Without dead ends: 15165 [2024-11-13 16:12:05,932 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:12:05,933 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 102 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 16:12:05,933 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 160 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 16:12:05,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15165 states. [2024-11-13 16:12:06,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15165 to 14781. [2024-11-13 16:12:06,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14781 states, 14780 states have (on average 1.097361299052774) internal successors, (16219), 14780 states have internal predecessors, (16219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:12:06,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14781 states to 14781 states and 16219 transitions. [2024-11-13 16:12:06,097 INFO L78 Accepts]: Start accepts. Automaton has 14781 states and 16219 transitions. Word has length 545 [2024-11-13 16:12:06,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:12:06,098 INFO L471 AbstractCegarLoop]: Abstraction has 14781 states and 16219 transitions. [2024-11-13 16:12:06,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:12:06,098 INFO L276 IsEmpty]: Start isEmpty. Operand 14781 states and 16219 transitions. [2024-11-13 16:12:06,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2024-11-13 16:12:06,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:12:06,112 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2024-11-13 16:12:06,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-13 16:12:06,112 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:12:06,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:12:06,113 INFO L85 PathProgramCache]: Analyzing trace with hash -2093748381, now seen corresponding path program 1 times [2024-11-13 16:12:06,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:12:06,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271873287] [2024-11-13 16:12:06,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:12:06,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:12:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:12:06,391 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 484 proven. 0 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked. [2024-11-13 16:12:06,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:12:06,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271873287] [2024-11-13 16:12:06,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271873287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:12:06,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:12:06,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:12:06,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581712438] [2024-11-13 16:12:06,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:12:06,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:12:06,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:12:06,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:12:06,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:12:06,394 INFO L87 Difference]: Start difference. First operand 14781 states and 16219 transitions. Second operand has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:12:07,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:12:07,294 INFO L93 Difference]: Finished difference Result 30660 states and 33607 transitions. [2024-11-13 16:12:07,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:12:07,294 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 546 [2024-11-13 16:12:07,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:12:07,296 INFO L225 Difference]: With dead ends: 30660 [2024-11-13 16:12:07,296 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 16:12:07,304 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:12:07,305 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 101 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 16:12:07,305 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 127 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 16:12:07,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 16:12:07,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 16:12:07,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:12:07,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 16:12:07,307 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 546 [2024-11-13 16:12:07,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:12:07,307 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 16:12:07,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:12:07,307 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 16:12:07,307 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 16:12:07,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 16:12:07,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-13 16:12:07,315 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:12:07,318 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 16:12:18,696 WARN L286 SmtUtils]: Spent 11.37s on a formula simplification. DAG size of input: 493 DAG size of output: 609 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-13 16:12:22,406 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 16:12:22,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 04:12:22 BoogieIcfgContainer [2024-11-13 16:12:22,438 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 16:12:22,439 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:12:22,439 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:12:22,439 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:12:22,441 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:11:16" (3/4) ... [2024-11-13 16:12:22,446 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 16:12:22,485 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-13 16:12:22,487 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 16:12:22,489 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 16:12:22,490 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 16:12:22,713 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688997e0-4164-4eaf-b2c7-7f67c9911256/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 16:12:22,715 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688997e0-4164-4eaf-b2c7-7f67c9911256/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 16:12:22,715 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:12:22,716 INFO L158 Benchmark]: Toolchain (without parser) took 70760.20ms. Allocated memory was 142.6MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 116.1MB in the beginning and 1.1GB in the end (delta: -954.5MB). Peak memory consumption was 145.4MB. Max. memory is 16.1GB. [2024-11-13 16:12:22,716 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:12:22,716 INFO L158 Benchmark]: CACSL2BoogieTranslator took 960.37ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 73.2MB in the end (delta: 42.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 16:12:22,717 INFO L158 Benchmark]: Boogie Procedure Inliner took 222.64ms. Allocated memory is still 142.6MB. Free memory was 73.0MB in the beginning and 104.8MB in the end (delta: -31.9MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2024-11-13 16:12:22,717 INFO L158 Benchmark]: Boogie Preprocessor took 195.43ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 80.0MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 16:12:22,717 INFO L158 Benchmark]: RCFGBuilder took 2927.12ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 80.0MB in the beginning and 253.9MB in the end (delta: -174.0MB). Peak memory consumption was 116.7MB. Max. memory is 16.1GB. [2024-11-13 16:12:22,718 INFO L158 Benchmark]: TraceAbstraction took 66166.15ms. Allocated memory was 427.8MB in the beginning and 1.2GB in the end (delta: 813.7MB). Free memory was 253.1MB in the beginning and 1.1GB in the end (delta: -834.0MB). Peak memory consumption was 666.4MB. Max. memory is 16.1GB. [2024-11-13 16:12:22,719 INFO L158 Benchmark]: Witness Printer took 276.34ms. Allocated memory is still 1.2GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:12:22,721 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 960.37ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 73.2MB in the end (delta: 42.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 222.64ms. Allocated memory is still 142.6MB. Free memory was 73.0MB in the beginning and 104.8MB in the end (delta: -31.9MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 195.43ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 80.0MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2927.12ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 80.0MB in the beginning and 253.9MB in the end (delta: -174.0MB). Peak memory consumption was 116.7MB. Max. memory is 16.1GB. * TraceAbstraction took 66166.15ms. Allocated memory was 427.8MB in the beginning and 1.2GB in the end (delta: 813.7MB). Free memory was 253.1MB in the beginning and 1.1GB in the end (delta: -834.0MB). Peak memory consumption was 666.4MB. Max. memory is 16.1GB. * Witness Printer took 276.34ms. Allocated memory is still 1.2GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 103]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 50.9s, OverallIterations: 24, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 33.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4643 SdHoareTripleChecker+Valid, 30.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4643 mSDsluCounter, 5096 SdHoareTripleChecker+Invalid, 25.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 671 mSDsCounter, 2156 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17708 IncrementalHoareTripleChecker+Invalid, 19864 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2156 mSolverCounterUnsat, 4425 mSDtfsCounter, 17708 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 651 GetRequests, 611 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15333occurred in iteration=21, InterpolantAutomatonStates: 81, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.6s AutomataMinimizationTime, 24 MinimizatonAttempts, 26511 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 10.5s InterpolantComputationTime, 7094 NumberOfCodeBlocks, 7094 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 7068 ConstructedInterpolants, 0 QuantifiedInterpolants, 20340 SizeOfPredicates, 0 NumberOfNonLiveVariables, 821 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 26 InterpolantComputations, 24 PerfectInterpolantSequences, 6513/6626 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: (((((((((((((((((((((a29 <= 599999) && (a4 == 1)) && (a25 <= 9)) || ((((((long long) a23 + 43) <= 0) && (a29 <= 599999)) && (a4 == 1)) && (a25 == 10))) || ((((a29 <= 140) && (a4 == 0)) && (a23 <= 262)) && (a25 <= 9))) || ((((((long long) a23 + 43) <= 0) && (a4 == 0)) && (a29 <= 599999)) && (a25 <= 9))) || (((a25 == 11) && (a29 <= 599999)) && (a4 == 1))) || ((((307 <= a23) && (a29 <= 599999)) && (a4 == 1)) && (a25 == 10))) || (((((long long) a23 + 43) <= 0) && (a29 <= 275)) && (a4 == 1))) || (((a25 == 13) && (a29 <= 599999)) && (a4 == 1))) || (((a4 == 0) && (a25 == 10)) && (a29 <= 130))) || (((a29 <= 275) && (a25 == 12)) && (a4 == 0))) || ((((a25 == 13) && (a4 == 0)) && (((long long) 35913 + a29) <= 0)) && (a23 <= 137))) || (((a29 <= 244) && (a4 == 1)) && (a25 == 10))) || ((((((long long) a23 + 43) <= 0) && (a4 == 0)) && (a25 == 11)) && (a29 <= 599999))) || ((((a29 <= 140) && (a4 == 0)) && (a23 <= 262)) && (a25 == 10))) || (((a25 == 12) && (a29 <= 599999)) && (a4 == 1))) || (((a25 == 11) && (a4 == 1)) && (a23 <= 137))) || ((((a25 == 12) && (a4 == 0)) && (a29 <= 599999)) && (a23 <= 137))) || ((((a25 == 13) && (((long long) a23 + 43) <= 0)) && (a29 <= 275)) && (a4 == 0))) || ((((a29 <= 275) && (a4 == 0)) && (a25 == 11)) && (a23 <= 262))) RESULT: Ultimate proved your program to be correct! [2024-11-13 16:12:22,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688997e0-4164-4eaf-b2c7-7f67c9911256/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE