./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-14.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-14.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 aec2cd5ae54508e6b09d164bd3878415d3b0f8002b89da4b1a1ed3f9475eb68f --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 06:15:46,131 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 06:15:46,229 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 06:15:46,236 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 06:15:46,239 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 06:15:46,274 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 06:15:46,275 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 06:15:46,275 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 06:15:46,276 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 06:15:46,276 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 06:15:46,277 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 06:15:46,277 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 06:15:46,278 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 06:15:46,278 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 06:15:46,279 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 06:15:46,279 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 06:15:46,279 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 06:15:46,280 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 06:15:46,280 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 06:15:46,281 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 06:15:46,281 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 06:15:46,282 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 06:15:46,282 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 06:15:46,282 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 06:15:46,283 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 06:15:46,283 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 06:15:46,283 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 06:15:46,284 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 06:15:46,284 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 06:15:46,285 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 06:15:46,285 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 06:15:46,285 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 06:15:46,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 06:15:46,289 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 06:15:46,289 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 06:15:46,290 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 06:15:46,290 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 06:15:46,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 06:15:46,290 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 06:15:46,291 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 06:15:46,291 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 06:15:46,296 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 06:15:46,296 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aec2cd5ae54508e6b09d164bd3878415d3b0f8002b89da4b1a1ed3f9475eb68f [2024-11-12 06:15:46,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 06:15:46,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 06:15:46,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 06:15:46,623 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 06:15:46,623 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 06:15:46,625 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-14.i [2024-11-12 06:15:48,272 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 06:15:48,547 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 06:15:48,547 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-14.i [2024-11-12 06:15:48,561 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60faf07e8/3f2a6afc5de6483caf7e0202325747e0/FLAG31247d2a4 [2024-11-12 06:15:48,579 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60faf07e8/3f2a6afc5de6483caf7e0202325747e0 [2024-11-12 06:15:48,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 06:15:48,584 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 06:15:48,585 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 06:15:48,585 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 06:15:48,590 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 06:15:48,590 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:15:48" (1/1) ... [2024-11-12 06:15:48,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c5c0573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:48, skipping insertion in model container [2024-11-12 06:15:48,591 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:15:48" (1/1) ... [2024-11-12 06:15:48,647 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 06:15:48,884 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-14.i[916,929] [2024-11-12 06:15:49,088 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 06:15:49,110 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 06:15:49,129 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-14.i[916,929] [2024-11-12 06:15:49,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 06:15:49,237 INFO L204 MainTranslator]: Completed translation [2024-11-12 06:15:49,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:49 WrapperNode [2024-11-12 06:15:49,238 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 06:15:49,240 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 06:15:49,240 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 06:15:49,240 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 06:15:49,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:49" (1/1) ... [2024-11-12 06:15:49,271 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:49" (1/1) ... [2024-11-12 06:15:49,343 INFO L138 Inliner]: procedures = 26, calls = 66, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 438 [2024-11-12 06:15:49,344 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 06:15:49,345 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 06:15:49,345 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 06:15:49,345 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 06:15:49,360 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:49" (1/1) ... [2024-11-12 06:15:49,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:49" (1/1) ... [2024-11-12 06:15:49,377 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:49" (1/1) ... [2024-11-12 06:15:49,435 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]. [2024-11-12 06:15:49,435 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:49" (1/1) ... [2024-11-12 06:15:49,435 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:49" (1/1) ... [2024-11-12 06:15:49,470 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:49" (1/1) ... [2024-11-12 06:15:49,484 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:49" (1/1) ... [2024-11-12 06:15:49,491 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:49" (1/1) ... [2024-11-12 06:15:49,498 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:49" (1/1) ... [2024-11-12 06:15:49,517 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 06:15:49,519 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 06:15:49,519 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 06:15:49,520 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 06:15:49,521 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:49" (1/1) ... [2024-11-12 06:15:49,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 06:15:49,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 06:15:49,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 06:15:49,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 06:15:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 06:15:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 06:15:49,632 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 06:15:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 06:15:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 06:15:49,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 06:15:49,752 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 06:15:49,755 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 06:15:50,773 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2024-11-12 06:15:50,774 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 06:15:50,792 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 06:15:50,792 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 06:15:50,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:15:50 BoogieIcfgContainer [2024-11-12 06:15:50,793 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 06:15:50,796 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 06:15:50,796 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 06:15:50,800 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 06:15:50,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:15:48" (1/3) ... [2024-11-12 06:15:50,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@db1571e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:15:50, skipping insertion in model container [2024-11-12 06:15:50,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:49" (2/3) ... [2024-11-12 06:15:50,802 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@db1571e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:15:50, skipping insertion in model container [2024-11-12 06:15:50,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:15:50" (3/3) ... [2024-11-12 06:15:50,803 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-14.i [2024-11-12 06:15:50,824 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 06:15:50,824 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 06:15:50,916 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 06:15:50,923 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;@451af8d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 06:15:50,924 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 06:15:50,931 INFO L276 IsEmpty]: Start isEmpty. Operand has 180 states, 124 states have (on average 1.467741935483871) internal successors, (182), 125 states have internal predecessors, (182), 53 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-12 06:15:50,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2024-11-12 06:15:50,958 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:15:50,959 INFO L218 NwaCegarLoop]: trace histogram [53, 53, 53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:15:50,960 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:15:50,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:15:50,970 INFO L85 PathProgramCache]: Analyzing trace with hash -2003186281, now seen corresponding path program 1 times [2024-11-12 06:15:50,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:15:50,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746410933] [2024-11-12 06:15:50,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:15:50,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:15:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:15:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:15:51,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:15:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:15:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 06:15:51,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:15:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 06:15:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:15:51,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 06:15:51,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:15:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 06:15:51,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:15:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 06:15:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 06:15:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 06:15:51,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 06:15:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 06:15:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 06:15:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 06:15:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 06:15:51,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 06:15:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 06:15:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 06:15:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 06:15:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 06:15:51,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 06:15:51,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 06:15:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 06:15:51,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 06:15:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 06:15:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-12 06:15:51,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-12 06:15:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-12 06:15:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-12 06:15:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-12 06:15:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-12 06:15:51,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-12 06:15:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-12 06:15:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 06:15:51,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-12 06:15:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-12 06:15:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-12 06:15:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-12 06:15:51,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-12 06:15:51,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:51,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-12 06:15:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-12 06:15:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-12 06:15:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-12 06:15:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-12 06:15:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-12 06:15:52,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-12 06:15:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-12 06:15:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-12 06:15:52,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,097 INFO L134 CoverageAnalysis]: Checked inductivity of 5512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2024-11-12 06:15:52,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:15:52,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746410933] [2024-11-12 06:15:52,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746410933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:15:52,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:15:52,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 06:15:52,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142992768] [2024-11-12 06:15:52,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:15:52,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 06:15:52,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:15:52,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 06:15:52,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 06:15:52,151 INFO L87 Difference]: Start difference. First operand has 180 states, 124 states have (on average 1.467741935483871) internal successors, (182), 125 states have internal predecessors, (182), 53 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) Second operand has 2 states, 2 states have (on average 40.5) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 2 states have call successors, (53) [2024-11-12 06:15:52,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:15:52,204 INFO L93 Difference]: Finished difference Result 353 states and 623 transitions. [2024-11-12 06:15:52,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 06:15:52,210 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 40.5) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 2 states have call successors, (53) Word has length 343 [2024-11-12 06:15:52,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:15:52,225 INFO L225 Difference]: With dead ends: 353 [2024-11-12 06:15:52,226 INFO L226 Difference]: Without dead ends: 176 [2024-11-12 06:15:52,234 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 06:15:52,245 INFO L435 NwaCegarLoop]: 279 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 06:15:52,247 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 06:15:52,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-12 06:15:52,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2024-11-12 06:15:52,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 121 states have (on average 1.4297520661157024) internal successors, (173), 121 states have internal predecessors, (173), 53 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-12 06:15:52,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 279 transitions. [2024-11-12 06:15:52,331 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 279 transitions. Word has length 343 [2024-11-12 06:15:52,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:15:52,332 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 279 transitions. [2024-11-12 06:15:52,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 40.5) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 2 states have call successors, (53) [2024-11-12 06:15:52,333 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 279 transitions. [2024-11-12 06:15:52,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2024-11-12 06:15:52,341 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:15:52,342 INFO L218 NwaCegarLoop]: trace histogram [53, 53, 53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:15:52,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 06:15:52,343 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:15:52,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:15:52,344 INFO L85 PathProgramCache]: Analyzing trace with hash 2015261917, now seen corresponding path program 1 times [2024-11-12 06:15:52,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:15:52,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633891950] [2024-11-12 06:15:52,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:15:52,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:15:52,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:15:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:15:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:15:52,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:15:52,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 06:15:52,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:15:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 06:15:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:15:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 06:15:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:15:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 06:15:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:15:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 06:15:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 06:15:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 06:15:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 06:15:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 06:15:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 06:15:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 06:15:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 06:15:52,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 06:15:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 06:15:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 06:15:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 06:15:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 06:15:52,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 06:15:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 06:15:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 06:15:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 06:15:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 06:15:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-12 06:15:52,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-12 06:15:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-12 06:15:52,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-12 06:15:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-12 06:15:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-12 06:15:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-12 06:15:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-12 06:15:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 06:15:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-12 06:15:52,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-12 06:15:52,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-12 06:15:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-12 06:15:52,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-12 06:15:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-12 06:15:52,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-12 06:15:52,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-12 06:15:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-12 06:15:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-12 06:15:52,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-12 06:15:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-12 06:15:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-12 06:15:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-12 06:15:52,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:53,001 INFO L134 CoverageAnalysis]: Checked inductivity of 5512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2024-11-12 06:15:53,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:15:53,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633891950] [2024-11-12 06:15:53,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633891950] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:15:53,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:15:53,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 06:15:53,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016838912] [2024-11-12 06:15:53,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:15:53,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 06:15:53,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:15:53,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 06:15:53,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 06:15:53,009 INFO L87 Difference]: Start difference. First operand 176 states and 279 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-12 06:15:53,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:15:53,176 INFO L93 Difference]: Finished difference Result 512 states and 813 transitions. [2024-11-12 06:15:53,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 06:15:53,178 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) Word has length 343 [2024-11-12 06:15:53,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:15:53,186 INFO L225 Difference]: With dead ends: 512 [2024-11-12 06:15:53,190 INFO L226 Difference]: Without dead ends: 339 [2024-11-12 06:15:53,192 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 06:15:53,194 INFO L435 NwaCegarLoop]: 449 mSDtfsCounter, 255 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 06:15:53,195 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 715 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 06:15:53,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-12 06:15:53,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 184. [2024-11-12 06:15:53,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 129 states have (on average 1.434108527131783) internal successors, (185), 129 states have internal predecessors, (185), 53 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-12 06:15:53,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 291 transitions. [2024-11-12 06:15:53,251 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 291 transitions. Word has length 343 [2024-11-12 06:15:53,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:15:53,258 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 291 transitions. [2024-11-12 06:15:53,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-12 06:15:53,259 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 291 transitions. [2024-11-12 06:15:53,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2024-11-12 06:15:53,270 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:15:53,270 INFO L218 NwaCegarLoop]: trace histogram [53, 53, 53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:15:53,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 06:15:53,271 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:15:53,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:15:53,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1724643545, now seen corresponding path program 1 times [2024-11-12 06:15:53,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:15:53,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389773324] [2024-11-12 06:15:53,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:15:53,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:15:53,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:53,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:15:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:53,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:15:53,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:53,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:15:53,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:53,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:15:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:53,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 06:15:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:15:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 06:15:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:15:54,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 06:15:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:15:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 06:15:54,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:15:54,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 06:15:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 06:15:54,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 06:15:54,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 06:15:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 06:15:54,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 06:15:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 06:15:54,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 06:15:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 06:15:54,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 06:15:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 06:15:54,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 06:15:54,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 06:15:54,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 06:15:54,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 06:15:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 06:15:54,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 06:15:54,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 06:15:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-12 06:15:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-12 06:15:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-12 06:15:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-12 06:15:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-12 06:15:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-12 06:15:54,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-12 06:15:54,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-12 06:15:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 06:15:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-12 06:15:54,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-12 06:15:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-12 06:15:54,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-12 06:15:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-12 06:15:54,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-12 06:15:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-12 06:15:54,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-12 06:15:54,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-12 06:15:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-12 06:15:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-12 06:15:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-12 06:15:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-12 06:15:54,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-12 06:15:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:54,333 INFO L134 CoverageAnalysis]: Checked inductivity of 5512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2024-11-12 06:15:54,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:15:54,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389773324] [2024-11-12 06:15:54,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389773324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:15:54,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:15:54,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 06:15:54,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354812330] [2024-11-12 06:15:54,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:15:54,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 06:15:54,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:15:54,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 06:15:54,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 06:15:54,340 INFO L87 Difference]: Start difference. First operand 184 states and 291 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-12 06:15:54,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:15:54,710 INFO L93 Difference]: Finished difference Result 547 states and 868 transitions. [2024-11-12 06:15:54,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 06:15:54,711 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) Word has length 343 [2024-11-12 06:15:54,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:15:54,720 INFO L225 Difference]: With dead ends: 547 [2024-11-12 06:15:54,720 INFO L226 Difference]: Without dead ends: 366 [2024-11-12 06:15:54,722 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 06:15:54,723 INFO L435 NwaCegarLoop]: 274 mSDtfsCounter, 203 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 06:15:54,727 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 806 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 06:15:54,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-11-12 06:15:54,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 341. [2024-11-12 06:15:54,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 232 states have (on average 1.4396551724137931) internal successors, (334), 232 states have internal predecessors, (334), 106 states have call successors, (106), 2 states have call predecessors, (106), 2 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) [2024-11-12 06:15:54,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 546 transitions. [2024-11-12 06:15:54,786 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 546 transitions. Word has length 343 [2024-11-12 06:15:54,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:15:54,787 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 546 transitions. [2024-11-12 06:15:54,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-12 06:15:54,788 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 546 transitions. [2024-11-12 06:15:54,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2024-11-12 06:15:54,793 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:15:54,793 INFO L218 NwaCegarLoop]: trace histogram [53, 53, 53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:15:54,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 06:15:54,793 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:15:54,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:15:54,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1949324830, now seen corresponding path program 1 times [2024-11-12 06:15:54,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:15:54,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880139851] [2024-11-12 06:15:54,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:15:54,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:15:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:55,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:15:55,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:55,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:15:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:55,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:15:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:55,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:15:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:55,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 06:15:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:55,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:15:55,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:55,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 06:15:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:55,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:15:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:55,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 06:15:55,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:55,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:15:55,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:55,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 06:15:55,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:55,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:15:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:55,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 06:15:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:55,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 06:15:55,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:55,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 06:15:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:55,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 06:15:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:55,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 06:15:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:55,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 06:15:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:55,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 06:15:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:55,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 06:15:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:55,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 06:15:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:56,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 06:15:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:56,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 06:15:56,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:56,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 06:15:56,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:56,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 06:15:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:56,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 06:15:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:56,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 06:15:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:56,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 06:15:56,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:56,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 06:15:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:56,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 06:15:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:56,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-12 06:15:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:56,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-12 06:15:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:56,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-12 06:15:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:56,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-12 06:15:56,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:56,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-12 06:15:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:56,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-12 06:15:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:56,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-12 06:15:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:56,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-12 06:15:56,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:56,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 06:15:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:56,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-12 06:15:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:56,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-12 06:15:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:56,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-12 06:15:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:56,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-12 06:15:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:56,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-12 06:15:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:56,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-12 06:15:56,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:56,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-12 06:15:56,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:56,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-12 06:15:56,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:56,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-12 06:15:56,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:56,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-12 06:15:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:56,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-12 06:15:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:56,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-12 06:15:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:56,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-12 06:15:56,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:56,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-12 06:15:56,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:56,259 INFO L134 CoverageAnalysis]: Checked inductivity of 5512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2024-11-12 06:15:56,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:15:56,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880139851] [2024-11-12 06:15:56,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880139851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:15:56,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:15:56,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 06:15:56,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065355951] [2024-11-12 06:15:56,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:15:56,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 06:15:56,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:15:56,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 06:15:56,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 06:15:56,262 INFO L87 Difference]: Start difference. First operand 341 states and 546 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-12 06:15:56,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:15:56,805 INFO L93 Difference]: Finished difference Result 890 states and 1428 transitions. [2024-11-12 06:15:56,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 06:15:56,806 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) Word has length 346 [2024-11-12 06:15:56,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:15:56,816 INFO L225 Difference]: With dead ends: 890 [2024-11-12 06:15:56,816 INFO L226 Difference]: Without dead ends: 655 [2024-11-12 06:15:56,818 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 06:15:56,820 INFO L435 NwaCegarLoop]: 376 mSDtfsCounter, 298 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 907 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 06:15:56,820 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 907 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 06:15:56,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2024-11-12 06:15:56,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 574. [2024-11-12 06:15:56,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 411 states have (on average 1.4695863746958637) internal successors, (604), 411 states have internal predecessors, (604), 159 states have call successors, (159), 3 states have call predecessors, (159), 3 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2024-11-12 06:15:56,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 922 transitions. [2024-11-12 06:15:56,906 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 922 transitions. Word has length 346 [2024-11-12 06:15:56,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:15:56,908 INFO L471 AbstractCegarLoop]: Abstraction has 574 states and 922 transitions. [2024-11-12 06:15:56,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-12 06:15:56,908 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 922 transitions. [2024-11-12 06:15:56,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2024-11-12 06:15:56,927 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:15:56,928 INFO L218 NwaCegarLoop]: trace histogram [53, 53, 53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:15:56,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 06:15:56,928 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:15:56,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:15:56,929 INFO L85 PathProgramCache]: Analyzing trace with hash 500275300, now seen corresponding path program 1 times [2024-11-12 06:15:56,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:15:56,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834805013] [2024-11-12 06:15:56,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:15:56,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:15:57,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat