./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-63.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_floatingpointinfluence_no-floats_file-63.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 31ed4c1d4c56093916e3e6078a050f9b467d4295a9560366c0e4e3c015413196 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 04:50:46,083 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 04:50:46,137 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 04:50:46,141 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 04:50:46,144 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 04:50:46,171 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 04:50:46,173 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 04:50:46,173 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 04:50:46,174 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 04:50:46,175 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 04:50:46,176 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 04:50:46,176 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 04:50:46,177 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 04:50:46,180 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 04:50:46,180 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 04:50:46,181 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 04:50:46,181 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 04:50:46,181 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 04:50:46,181 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 04:50:46,181 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 04:50:46,182 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 04:50:46,183 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 04:50:46,183 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 04:50:46,183 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 04:50:46,183 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 04:50:46,183 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 04:50:46,184 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 04:50:46,184 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 04:50:46,184 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 04:50:46,184 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 04:50:46,184 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 04:50:46,185 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 04:50:46,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 04:50:46,185 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 04:50:46,186 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 04:50:46,186 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 04:50:46,187 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 04:50:46,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 04:50:46,187 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 04:50:46,187 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 04:50:46,187 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 04:50:46,188 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 04:50:46,188 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31ed4c1d4c56093916e3e6078a050f9b467d4295a9560366c0e4e3c015413196 [2024-11-12 04:50:46,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 04:50:46,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 04:50:46,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 04:50:46,464 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 04:50:46,465 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 04:50:46,465 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-63.i [2024-11-12 04:50:47,880 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 04:50:48,061 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 04:50:48,062 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-63.i [2024-11-12 04:50:48,070 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4339084de/176b51a2d18147a8babbbbd0bb092f9b/FLAGfb5cd35af [2024-11-12 04:50:48,085 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4339084de/176b51a2d18147a8babbbbd0bb092f9b [2024-11-12 04:50:48,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 04:50:48,089 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 04:50:48,089 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 04:50:48,090 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 04:50:48,094 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 04:50:48,094 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:50:48" (1/1) ... [2024-11-12 04:50:48,095 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c7141c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:50:48, skipping insertion in model container [2024-11-12 04:50:48,095 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:50:48" (1/1) ... [2024-11-12 04:50:48,117 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 04:50:48,267 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_floatingpointinfluence_no-floats_file-63.i[916,929] [2024-11-12 04:50:48,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 04:50:48,312 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 04:50:48,321 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_floatingpointinfluence_no-floats_file-63.i[916,929] [2024-11-12 04:50:48,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 04:50:48,352 INFO L204 MainTranslator]: Completed translation [2024-11-12 04:50:48,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:50:48 WrapperNode [2024-11-12 04:50:48,353 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 04:50:48,353 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 04:50:48,354 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 04:50:48,354 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 04:50:48,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:50:48" (1/1) ... [2024-11-12 04:50:48,366 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:50:48" (1/1) ... [2024-11-12 04:50:48,397 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 130 [2024-11-12 04:50:48,398 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 04:50:48,398 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 04:50:48,398 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 04:50:48,398 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 04:50:48,427 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:50:48" (1/1) ... [2024-11-12 04:50:48,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:50:48" (1/1) ... [2024-11-12 04:50:48,431 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:50:48" (1/1) ... [2024-11-12 04:50:48,455 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 04:50:48,455 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:50:48" (1/1) ... [2024-11-12 04:50:48,455 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:50:48" (1/1) ... [2024-11-12 04:50:48,463 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:50:48" (1/1) ... [2024-11-12 04:50:48,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:50:48" (1/1) ... [2024-11-12 04:50:48,467 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:50:48" (1/1) ... [2024-11-12 04:50:48,468 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:50:48" (1/1) ... [2024-11-12 04:50:48,472 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 04:50:48,472 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 04:50:48,473 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 04:50:48,473 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 04:50:48,474 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:50:48" (1/1) ... [2024-11-12 04:50:48,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 04:50:48,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 04:50:48,537 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 04:50:48,543 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 04:50:48,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 04:50:48,581 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 04:50:48,582 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 04:50:48,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 04:50:48,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 04:50:48,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 04:50:48,651 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 04:50:48,652 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 04:50:48,878 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-12 04:50:48,878 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 04:50:48,892 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 04:50:48,892 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 04:50:48,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:50:48 BoogieIcfgContainer [2024-11-12 04:50:48,892 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 04:50:48,894 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 04:50:48,894 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 04:50:48,897 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 04:50:48,897 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 04:50:48" (1/3) ... [2024-11-12 04:50:48,898 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@105eb3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:50:48, skipping insertion in model container [2024-11-12 04:50:48,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:50:48" (2/3) ... [2024-11-12 04:50:48,898 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@105eb3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:50:48, skipping insertion in model container [2024-11-12 04:50:48,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:50:48" (3/3) ... [2024-11-12 04:50:48,899 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-63.i [2024-11-12 04:50:48,912 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 04:50:48,912 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 04:50:48,960 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 04:50:48,966 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;@401b8889, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 04:50:48,966 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 04:50:48,970 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-12 04:50:48,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-12 04:50:48,979 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:50:48,980 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:50:48,980 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:50:48,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:50:48,985 INFO L85 PathProgramCache]: Analyzing trace with hash 83983945, now seen corresponding path program 1 times [2024-11-12 04:50:48,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:50:48,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997252087] [2024-11-12 04:50:48,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:50:48,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:50:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:50:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:50:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:50:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:50:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:50:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:50:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:50:49,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:50:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:50:49,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:50:49,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:50:49,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:50:49,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:50:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:50:49,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:50:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:50:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:50:49,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:50:49,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:50:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:50:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:50:49,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:50:49,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,367 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-12 04:50:49,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:50:49,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997252087] [2024-11-12 04:50:49,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997252087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:50:49,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:50:49,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 04:50:49,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702480397] [2024-11-12 04:50:49,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:50:49,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 04:50:49,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:50:49,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 04:50:49,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 04:50:49,399 INFO L87 Difference]: Start difference. First operand has 56 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-12 04:50:49,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:50:49,419 INFO L93 Difference]: Finished difference Result 105 states and 182 transitions. [2024-11-12 04:50:49,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 04:50:49,421 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 134 [2024-11-12 04:50:49,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:50:49,428 INFO L225 Difference]: With dead ends: 105 [2024-11-12 04:50:49,429 INFO L226 Difference]: Without dead ends: 52 [2024-11-12 04:50:49,433 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 04:50:49,437 INFO L435 NwaCegarLoop]: 76 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, 76 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 04:50:49,438 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 04:50:49,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-12 04:50:49,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-12 04:50:49,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-12 04:50:49,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 76 transitions. [2024-11-12 04:50:49,471 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 76 transitions. Word has length 134 [2024-11-12 04:50:49,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:50:49,471 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 76 transitions. [2024-11-12 04:50:49,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-12 04:50:49,472 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 76 transitions. [2024-11-12 04:50:49,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-12 04:50:49,474 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:50:49,474 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:50:49,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 04:50:49,475 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:50:49,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:50:49,476 INFO L85 PathProgramCache]: Analyzing trace with hash -459924215, now seen corresponding path program 1 times [2024-11-12 04:50:49,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:50:49,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482303099] [2024-11-12 04:50:49,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:50:49,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:50:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:50:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:50:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:50:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:50:49,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:50:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:50:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:50:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:50:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:50:49,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:50:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:50:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:50:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:50:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:50:49,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:50:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:50:49,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:50:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:49,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:50:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:50,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:50:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:50,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:50:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:50,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:50:50,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:50,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:50:50,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:50,020 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-12 04:50:50,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:50:50,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482303099] [2024-11-12 04:50:50,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482303099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:50:50,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:50:50,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 04:50:50,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137637004] [2024-11-12 04:50:50,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:50:50,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 04:50:50,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:50:50,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 04:50:50,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-12 04:50:50,024 INFO L87 Difference]: Start difference. First operand 52 states and 76 transitions. Second operand has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-12 04:50:50,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:50:50,304 INFO L93 Difference]: Finished difference Result 105 states and 152 transitions. [2024-11-12 04:50:50,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 04:50:50,305 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 134 [2024-11-12 04:50:50,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:50:50,308 INFO L225 Difference]: With dead ends: 105 [2024-11-12 04:50:50,308 INFO L226 Difference]: Without dead ends: 56 [2024-11-12 04:50:50,308 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-12 04:50:50,310 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 95 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 04:50:50,311 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 104 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 04:50:50,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-12 04:50:50,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-11-12 04:50:50,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 31 states have (on average 1.096774193548387) internal successors, (34), 31 states have internal predecessors, (34), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-12 04:50:50,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 78 transitions. [2024-11-12 04:50:50,333 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 78 transitions. Word has length 134 [2024-11-12 04:50:50,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:50:50,334 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 78 transitions. [2024-11-12 04:50:50,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-12 04:50:50,335 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2024-11-12 04:50:50,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-12 04:50:50,337 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:50:50,337 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:50:50,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 04:50:50,338 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:50:50,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:50:50,338 INFO L85 PathProgramCache]: Analyzing trace with hash -402665913, now seen corresponding path program 1 times [2024-11-12 04:50:50,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:50:50,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239444091] [2024-11-12 04:50:50,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:50:50,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:50:50,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:56,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:50:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:56,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:50:56,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:56,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:50:56,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:56,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:50:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:56,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:50:56,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:56,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:50:56,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:56,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:50:56,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:56,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:50:56,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:56,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:50:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:56,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:50:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:56,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:50:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:56,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:50:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:56,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:50:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:56,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:50:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:56,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:50:56,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:56,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:50:56,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:56,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:50:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:56,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:50:56,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:56,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:50:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:56,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:50:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:56,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:50:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:56,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:50:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:50:56,972 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-12 04:50:56,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:50:56,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239444091] [2024-11-12 04:50:56,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239444091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:50:56,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:50:56,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 04:50:56,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725023904] [2024-11-12 04:50:56,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:50:56,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 04:50:56,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:50:56,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 04:50:56,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-12 04:50:56,975 INFO L87 Difference]: Start difference. First operand 56 states and 78 transitions. Second operand has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-12 04:50:58,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:50:58,185 INFO L93 Difference]: Finished difference Result 108 states and 146 transitions. [2024-11-12 04:50:58,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 04:50:58,188 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 134 [2024-11-12 04:50:58,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:50:58,192 INFO L225 Difference]: With dead ends: 108 [2024-11-12 04:50:58,192 INFO L226 Difference]: Without dead ends: 106 [2024-11-12 04:50:58,193 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-11-12 04:50:58,194 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 134 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 04:50:58,194 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 344 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 04:50:58,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-12 04:50:58,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 89. [2024-11-12 04:50:58,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 50 states have (on average 1.08) internal successors, (54), 51 states have internal predecessors, (54), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-12 04:50:58,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 122 transitions. [2024-11-12 04:50:58,232 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 122 transitions. Word has length 134 [2024-11-12 04:50:58,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:50:58,233 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 122 transitions. [2024-11-12 04:50:58,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-12 04:50:58,233 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 122 transitions. [2024-11-12 04:50:58,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-12 04:50:58,237 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:50:58,237 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:50:58,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 04:50:58,237 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:50:58,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:50:58,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1212012539, now seen corresponding path program 1 times [2024-11-12 04:50:58,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:50:58,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169048825] [2024-11-12 04:50:58,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:50:58,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:50:58,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:51:02,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:51:02,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:51:02,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:51:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:51:02,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:51:02,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:51:02,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:51:02,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:51:02,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:51:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:51:02,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:51:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:51:02,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:51:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:51:02,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:51:02,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:51:02,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:51:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:51:02,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:51:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:51:02,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:51:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:51:02,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:51:02,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:51:02,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:51:02,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:51:02,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:51:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:51:02,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:51:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:51:02,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:51:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:51:02,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:51:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:51:02,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:51:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:51:02,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:51:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:51:02,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:51:02,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:51:02,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:51:02,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:51:02,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:51:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:51:02,531 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 21 proven. 42 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-12 04:51:02,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:51:02,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169048825] [2024-11-12 04:51:02,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169048825] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 04:51:02,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556582519] [2024-11-12 04:51:02,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:51:02,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 04:51:02,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 04:51:02,535 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 04:51:02,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 04:51:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:51:02,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-12 04:51:02,635 INFO L279 TraceCheckSpWp]: Computing forward predicates...