./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-45.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-45.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 b05815fd5cec927760044a6cdc6a3ae40876f51be4ef175e85dd936d2cf2ad8e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 05:06:56,966 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 05:06:57,047 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 05:06:57,053 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 05:06:57,055 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 05:06:57,089 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 05:06:57,090 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 05:06:57,090 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 05:06:57,091 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 05:06:57,092 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 05:06:57,094 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 05:06:57,094 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 05:06:57,095 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 05:06:57,095 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 05:06:57,097 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 05:06:57,098 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 05:06:57,098 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 05:06:57,098 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 05:06:57,099 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 05:06:57,099 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 05:06:57,099 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 05:06:57,103 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 05:06:57,104 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 05:06:57,104 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 05:06:57,104 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 05:06:57,104 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 05:06:57,105 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 05:06:57,105 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 05:06:57,105 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 05:06:57,106 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 05:06:57,106 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 05:06:57,106 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 05:06:57,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 05:06:57,107 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 05:06:57,107 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 05:06:57,108 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 05:06:57,109 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 05:06:57,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 05:06:57,110 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 05:06:57,110 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 05:06:57,110 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 05:06:57,111 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 05:06:57,111 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b05815fd5cec927760044a6cdc6a3ae40876f51be4ef175e85dd936d2cf2ad8e [2024-10-13 05:06:57,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 05:06:57,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 05:06:57,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 05:06:57,423 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 05:06:57,423 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 05:06:57,425 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-45.i [2024-10-13 05:06:58,944 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 05:06:59,190 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 05:06:59,191 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-45.i [2024-10-13 05:06:59,206 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a6840694/9ecb90a5149c4b2d9a9b52d6f306b09e/FLAGb0d9791c1 [2024-10-13 05:06:59,516 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a6840694/9ecb90a5149c4b2d9a9b52d6f306b09e [2024-10-13 05:06:59,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 05:06:59,519 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 05:06:59,521 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 05:06:59,521 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 05:06:59,528 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 05:06:59,528 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:06:59" (1/1) ... [2024-10-13 05:06:59,529 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10867bdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:59, skipping insertion in model container [2024-10-13 05:06:59,530 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:06:59" (1/1) ... [2024-10-13 05:06:59,579 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 05:06:59,776 WARN L248 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-45.i[916,929] [2024-10-13 05:06:59,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 05:07:00,016 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 05:07:00,033 WARN L248 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-45.i[916,929] [2024-10-13 05:07:00,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 05:07:00,111 INFO L204 MainTranslator]: Completed translation [2024-10-13 05:07:00,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:07:00 WrapperNode [2024-10-13 05:07:00,112 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 05:07:00,113 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 05:07:00,113 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 05:07:00,113 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 05:07:00,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:07:00" (1/1) ... [2024-10-13 05:07:00,139 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:07:00" (1/1) ... [2024-10-13 05:07:00,196 INFO L138 Inliner]: procedures = 26, calls = 51, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 453 [2024-10-13 05:07:00,197 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 05:07:00,198 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 05:07:00,198 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 05:07:00,198 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 05:07:00,210 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:07:00" (1/1) ... [2024-10-13 05:07:00,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:07:00" (1/1) ... [2024-10-13 05:07:00,217 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:07:00" (1/1) ... [2024-10-13 05:07:00,245 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]. [2024-10-13 05:07:00,245 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:07:00" (1/1) ... [2024-10-13 05:07:00,245 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:07:00" (1/1) ... [2024-10-13 05:07:00,266 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:07:00" (1/1) ... [2024-10-13 05:07:00,271 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:07:00" (1/1) ... [2024-10-13 05:07:00,276 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:07:00" (1/1) ... [2024-10-13 05:07:00,281 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:07:00" (1/1) ... [2024-10-13 05:07:00,292 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 05:07:00,293 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 05:07:00,294 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 05:07:00,294 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 05:07:00,295 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:07:00" (1/1) ... [2024-10-13 05:07:00,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 05:07:00,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 05:07:00,348 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) [2024-10-13 05:07:00,353 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 [2024-10-13 05:07:00,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 05:07:00,404 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 05:07:00,405 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 05:07:00,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 05:07:00,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 05:07:00,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 05:07:00,545 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 05:07:00,550 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 05:07:01,574 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live. [2024-10-13 05:07:01,574 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 05:07:01,617 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 05:07:01,619 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 05:07:01,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:07:01 BoogieIcfgContainer [2024-10-13 05:07:01,619 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 05:07:01,622 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 05:07:01,623 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 05:07:01,626 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 05:07:01,627 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:06:59" (1/3) ... [2024-10-13 05:07:01,628 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59914d31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:07:01, skipping insertion in model container [2024-10-13 05:07:01,628 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:07:00" (2/3) ... [2024-10-13 05:07:01,629 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59914d31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:07:01, skipping insertion in model container [2024-10-13 05:07:01,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:07:01" (3/3) ... [2024-10-13 05:07:01,630 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-45.i [2024-10-13 05:07:01,648 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 05:07:01,649 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 05:07:01,721 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 05:07:01,728 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;@2fef8a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 05:07:01,729 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 05:07:01,735 INFO L276 IsEmpty]: Start isEmpty. Operand has 174 states, 133 states have (on average 1.5338345864661653) internal successors, (204), 134 states have internal predecessors, (204), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-13 05:07:01,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-10-13 05:07:01,757 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:07:01,758 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:07:01,758 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:07:01,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:07:01,764 INFO L85 PathProgramCache]: Analyzing trace with hash -358926547, now seen corresponding path program 1 times [2024-10-13 05:07:01,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:07:01,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135358837] [2024-10-13 05:07:01,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:07:01,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:07:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:07:02,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:07:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 05:07:02,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:07:02,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 05:07:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 05:07:02,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 05:07:02,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 05:07:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 05:07:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 05:07:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 05:07:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 05:07:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 05:07:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 05:07:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 05:07:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 05:07:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 05:07:02,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 05:07:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 05:07:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 05:07:02,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 05:07:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 05:07:02,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 05:07:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 05:07:02,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 05:07:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 05:07:02,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 05:07:02,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 05:07:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 05:07:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 05:07:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-13 05:07:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-13 05:07:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-13 05:07:02,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 05:07:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 05:07:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 05:07:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 05:07:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 05:07:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:02,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-13 05:07:02,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:07:02,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135358837] [2024-10-13 05:07:02,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135358837] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:07:02,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:07:02,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 05:07:02,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841637538] [2024-10-13 05:07:02,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:07:02,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 05:07:02,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:07:02,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 05:07:02,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 05:07:02,619 INFO L87 Difference]: Start difference. First operand has 174 states, 133 states have (on average 1.5338345864661653) internal successors, (204), 134 states have internal predecessors, (204), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 2 states, 2 states have (on average 39.5) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) [2024-10-13 05:07:02,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:07:02,692 INFO L93 Difference]: Finished difference Result 344 states and 594 transitions. [2024-10-13 05:07:02,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 05:07:02,697 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 39.5) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) Word has length 266 [2024-10-13 05:07:02,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:07:02,711 INFO L225 Difference]: With dead ends: 344 [2024-10-13 05:07:02,712 INFO L226 Difference]: Without dead ends: 171 [2024-10-13 05:07:02,720 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 05:07:02,724 INFO L432 NwaCegarLoop]: 269 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 05:07:02,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 269 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 05:07:02,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-10-13 05:07:02,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2024-10-13 05:07:02,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 131 states have (on average 1.4961832061068703) internal successors, (196), 131 states have internal predecessors, (196), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-13 05:07:02,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 272 transitions. [2024-10-13 05:07:02,801 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 272 transitions. Word has length 266 [2024-10-13 05:07:02,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:07:02,804 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 272 transitions. [2024-10-13 05:07:02,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 39.5) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) [2024-10-13 05:07:02,805 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 272 transitions. [2024-10-13 05:07:02,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-10-13 05:07:02,814 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:07:02,815 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:07:02,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 05:07:02,816 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:07:02,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:07:02,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1207698519, now seen corresponding path program 1 times [2024-10-13 05:07:02,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:07:02,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515565276] [2024-10-13 05:07:02,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:07:02,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:07:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:07:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:07:03,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 05:07:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:07:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 05:07:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 05:07:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 05:07:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 05:07:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 05:07:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 05:07:03,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 05:07:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 05:07:03,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 05:07:03,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 05:07:03,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 05:07:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 05:07:03,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 05:07:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 05:07:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 05:07:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 05:07:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 05:07:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 05:07:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 05:07:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 05:07:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 05:07:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 05:07:03,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 05:07:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 05:07:03,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 05:07:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 05:07:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-13 05:07:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-13 05:07:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-13 05:07:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 05:07:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 05:07:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 05:07:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 05:07:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 05:07:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-13 05:07:03,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:07:03,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515565276] [2024-10-13 05:07:03,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515565276] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:07:03,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:07:03,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 05:07:03,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031079690] [2024-10-13 05:07:03,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:07:03,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 05:07:03,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:07:03,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 05:07:03,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:07:03,325 INFO L87 Difference]: Start difference. First operand 171 states and 272 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 05:07:03,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:07:03,445 INFO L93 Difference]: Finished difference Result 501 states and 796 transitions. [2024-10-13 05:07:03,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 05:07:03,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 266 [2024-10-13 05:07:03,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:07:03,451 INFO L225 Difference]: With dead ends: 501 [2024-10-13 05:07:03,451 INFO L226 Difference]: Without dead ends: 331 [2024-10-13 05:07:03,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:07:03,457 INFO L432 NwaCegarLoop]: 507 mSDtfsCounter, 248 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 763 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 05:07:03,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 763 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 05:07:03,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-10-13 05:07:03,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 200. [2024-10-13 05:07:03,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 160 states have (on average 1.5125) internal successors, (242), 160 states have internal predecessors, (242), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-13 05:07:03,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 318 transitions. [2024-10-13 05:07:03,495 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 318 transitions. Word has length 266 [2024-10-13 05:07:03,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:07:03,497 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 318 transitions. [2024-10-13 05:07:03,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 05:07:03,498 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 318 transitions. [2024-10-13 05:07:03,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-10-13 05:07:03,502 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:07:03,502 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:07:03,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 05:07:03,503 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:07:03,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:07:03,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1602065305, now seen corresponding path program 1 times [2024-10-13 05:07:03,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:07:03,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282243134] [2024-10-13 05:07:03,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:07:03,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:07:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:07:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:07:03,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 05:07:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:07:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 05:07:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 05:07:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 05:07:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 05:07:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 05:07:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 05:07:03,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 05:07:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 05:07:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 05:07:03,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 05:07:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 05:07:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 05:07:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 05:07:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 05:07:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 05:07:03,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 05:07:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 05:07:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 05:07:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 05:07:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 05:07:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 05:07:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 05:07:03,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 05:07:03,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 05:07:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 05:07:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 05:07:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-13 05:07:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-13 05:07:03,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-13 05:07:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 05:07:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 05:07:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 05:07:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 05:07:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 05:07:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:03,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-13 05:07:03,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:07:03,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282243134] [2024-10-13 05:07:03,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282243134] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:07:03,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:07:03,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 05:07:03,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619706544] [2024-10-13 05:07:03,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:07:03,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 05:07:03,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:07:03,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 05:07:03,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:07:03,834 INFO L87 Difference]: Start difference. First operand 200 states and 318 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 05:07:03,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:07:03,932 INFO L93 Difference]: Finished difference Result 576 states and 915 transitions. [2024-10-13 05:07:03,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 05:07:03,933 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 266 [2024-10-13 05:07:03,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:07:03,937 INFO L225 Difference]: With dead ends: 576 [2024-10-13 05:07:03,937 INFO L226 Difference]: Without dead ends: 377 [2024-10-13 05:07:03,938 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:07:03,939 INFO L432 NwaCegarLoop]: 325 mSDtfsCounter, 224 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 05:07:03,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 556 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 05:07:03,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-10-13 05:07:03,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 273. [2024-10-13 05:07:03,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 233 states have (on average 1.5321888412017168) internal successors, (357), 233 states have internal predecessors, (357), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-13 05:07:03,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 433 transitions. [2024-10-13 05:07:03,959 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 433 transitions. Word has length 266 [2024-10-13 05:07:03,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:07:03,960 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 433 transitions. [2024-10-13 05:07:03,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 05:07:03,963 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 433 transitions. [2024-10-13 05:07:03,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-10-13 05:07:03,969 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:07:03,969 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:07:03,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 05:07:03,970 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:07:03,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:07:03,970 INFO L85 PathProgramCache]: Analyzing trace with hash -959563865, now seen corresponding path program 1 times [2024-10-13 05:07:03,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:07:03,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498639812] [2024-10-13 05:07:03,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:07:03,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:07:04,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:07:04,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:07:04,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 05:07:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:07:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 05:07:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 05:07:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 05:07:04,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 05:07:04,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 05:07:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 05:07:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 05:07:04,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 05:07:04,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 05:07:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 05:07:04,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 05:07:04,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 05:07:04,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 05:07:04,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 05:07:04,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 05:07:04,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 05:07:04,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 05:07:04,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 05:07:04,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 05:07:04,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 05:07:04,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 05:07:04,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 05:07:04,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 05:07:04,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 05:07:04,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 05:07:04,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 05:07:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-13 05:07:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-13 05:07:04,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-13 05:07:04,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 05:07:04,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 05:07:04,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 05:07:04,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 05:07:04,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 05:07:04,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:04,905 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-13 05:07:04,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:07:04,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498639812] [2024-10-13 05:07:04,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498639812] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:07:04,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:07:04,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 05:07:04,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786735286] [2024-10-13 05:07:04,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:07:04,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 05:07:04,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:07:04,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 05:07:04,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 05:07:04,909 INFO L87 Difference]: Start difference. First operand 273 states and 433 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 05:07:05,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:07:05,235 INFO L93 Difference]: Finished difference Result 880 states and 1398 transitions. [2024-10-13 05:07:05,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 05:07:05,236 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 266 [2024-10-13 05:07:05,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:07:05,245 INFO L225 Difference]: With dead ends: 880 [2024-10-13 05:07:05,246 INFO L226 Difference]: Without dead ends: 608 [2024-10-13 05:07:05,247 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 05:07:05,249 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 261 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 798 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 05:07:05,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 798 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 05:07:05,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2024-10-13 05:07:05,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 524. [2024-10-13 05:07:05,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 445 states have (on average 1.5348314606741573) internal successors, (683), 445 states have internal predecessors, (683), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-13 05:07:05,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 835 transitions. [2024-10-13 05:07:05,298 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 835 transitions. Word has length 266 [2024-10-13 05:07:05,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:07:05,299 INFO L471 AbstractCegarLoop]: Abstraction has 524 states and 835 transitions. [2024-10-13 05:07:05,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 05:07:05,300 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 835 transitions. [2024-10-13 05:07:05,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-13 05:07:05,303 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:07:05,303 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:07:05,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 05:07:05,303 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:07:05,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:07:05,304 INFO L85 PathProgramCache]: Analyzing trace with hash -414074094, now seen corresponding path program 1 times [2024-10-13 05:07:05,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:07:05,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287784731] [2024-10-13 05:07:05,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:07:05,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:07:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:05,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:07:05,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:05,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:07:05,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:05,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 05:07:05,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:05,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:07:05,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:05,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 05:07:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:05,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 05:07:05,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:05,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 05:07:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:05,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 05:07:05,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:05,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 05:07:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:05,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 05:07:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:05,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 05:07:05,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:05,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 05:07:05,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:05,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 05:07:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:05,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 05:07:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:05,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 05:07:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:05,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 05:07:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:05,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 05:07:05,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:05,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 05:07:05,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:05,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 05:07:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:05,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 05:07:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:06,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 05:07:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:06,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 05:07:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:06,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 05:07:06,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:06,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 05:07:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:06,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 05:07:06,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:06,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 05:07:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:06,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 05:07:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:06,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 05:07:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:06,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 05:07:06,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:06,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 05:07:06,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:06,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-13 05:07:06,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:06,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-13 05:07:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:06,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-13 05:07:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:06,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 05:07:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:06,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 05:07:06,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:06,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 05:07:06,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:06,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 05:07:06,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:06,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 05:07:06,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:06,185 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-13 05:07:06,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:07:06,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287784731] [2024-10-13 05:07:06,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287784731] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:07:06,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:07:06,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 05:07:06,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681888470] [2024-10-13 05:07:06,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:07:06,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 05:07:06,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:07:06,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 05:07:06,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 05:07:06,189 INFO L87 Difference]: Start difference. First operand 524 states and 835 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 05:07:06,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:07:06,502 INFO L93 Difference]: Finished difference Result 1051 states and 1670 transitions. [2024-10-13 05:07:06,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 05:07:06,503 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 267 [2024-10-13 05:07:06,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:07:06,507 INFO L225 Difference]: With dead ends: 1051 [2024-10-13 05:07:06,507 INFO L226 Difference]: Without dead ends: 608 [2024-10-13 05:07:06,509 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 05:07:06,509 INFO L432 NwaCegarLoop]: 286 mSDtfsCounter, 257 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 05:07:06,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 801 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 05:07:06,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2024-10-13 05:07:06,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 525. [2024-10-13 05:07:06,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 446 states have (on average 1.531390134529148) internal successors, (683), 446 states have internal predecessors, (683), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-13 05:07:06,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 835 transitions. [2024-10-13 05:07:06,557 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 835 transitions. Word has length 267 [2024-10-13 05:07:06,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:07:06,558 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 835 transitions. [2024-10-13 05:07:06,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 05:07:06,559 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 835 transitions. [2024-10-13 05:07:06,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-10-13 05:07:06,562 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:07:06,562 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:07:06,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 05:07:06,563 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:07:06,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:07:06,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1491014518, now seen corresponding path program 1 times [2024-10-13 05:07:06,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:07:06,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611597192] [2024-10-13 05:07:06,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:07:06,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:07:06,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:07:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:07:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 05:07:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:07:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 05:07:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 05:07:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 05:07:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 05:07:07,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 05:07:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 05:07:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 05:07:07,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 05:07:07,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 05:07:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 05:07:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 05:07:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 05:07:07,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 05:07:07,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 05:07:07,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 05:07:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 05:07:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 05:07:07,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 05:07:07,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 05:07:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 05:07:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 05:07:07,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 05:07:07,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 05:07:07,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 05:07:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 05:07:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 05:07:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-13 05:07:07,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-13 05:07:07,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-13 05:07:07,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 05:07:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 05:07:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 05:07:07,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 05:07:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 05:07:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:07,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-13 05:07:07,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:07:07,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611597192] [2024-10-13 05:07:07,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611597192] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:07:07,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:07:07,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 05:07:07,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946562813] [2024-10-13 05:07:07,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:07:07,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 05:07:07,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:07:07,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 05:07:07,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 05:07:07,251 INFO L87 Difference]: Start difference. First operand 525 states and 835 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, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 05:07:07,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:07:07,885 INFO L93 Difference]: Finished difference Result 1715 states and 2724 transitions. [2024-10-13 05:07:07,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 05:07:07,885 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, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 268 [2024-10-13 05:07:07,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:07:07,895 INFO L225 Difference]: With dead ends: 1715 [2024-10-13 05:07:07,895 INFO L226 Difference]: Without dead ends: 1350 [2024-10-13 05:07:07,897 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 05:07:07,898 INFO L432 NwaCegarLoop]: 499 mSDtfsCounter, 384 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 925 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 05:07:07,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 925 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 05:07:07,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1350 states. [2024-10-13 05:07:07,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1350 to 1320. [2024-10-13 05:07:07,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1163 states have (on average 1.534823731728289) internal successors, (1785), 1163 states have internal predecessors, (1785), 152 states have call successors, (152), 4 states have call predecessors, (152), 4 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152) [2024-10-13 05:07:07,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 2089 transitions. [2024-10-13 05:07:07,993 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 2089 transitions. Word has length 268 [2024-10-13 05:07:07,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:07:07,994 INFO L471 AbstractCegarLoop]: Abstraction has 1320 states and 2089 transitions. [2024-10-13 05:07:07,994 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, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 05:07:07,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 2089 transitions. [2024-10-13 05:07:07,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-10-13 05:07:08,000 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:07:08,000 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:07:08,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 05:07:08,001 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:07:08,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:07:08,001 INFO L85 PathProgramCache]: Analyzing trace with hash 231291618, now seen corresponding path program 1 times [2024-10-13 05:07:08,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:07:08,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623660142] [2024-10-13 05:07:08,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:07:08,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:07:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:07:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:07:08,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 05:07:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:07:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 05:07:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 05:07:08,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 05:07:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 05:07:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 05:07:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 05:07:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 05:07:08,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 05:07:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 05:07:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 05:07:08,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 05:07:08,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 05:07:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 05:07:08,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 05:07:08,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 05:07:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 05:07:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 05:07:08,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 05:07:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 05:07:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 05:07:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 05:07:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 05:07:08,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 05:07:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 05:07:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 05:07:08,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 05:07:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-13 05:07:08,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-13 05:07:08,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-13 05:07:08,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 05:07:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 05:07:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 05:07:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 05:07:08,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 05:07:08,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:07:08,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-13 05:07:08,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:07:08,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623660142] [2024-10-13 05:07:08,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623660142] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:07:08,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:07:08,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 05:07:08,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749549829] [2024-10-13 05:07:08,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:07:08,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 05:07:08,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:07:08,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 05:07:08,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:07:08,274 INFO L87 Difference]: Start difference. First operand 1320 states and 2089 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, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 05:07:08,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:07:08,383 INFO L93 Difference]: Finished difference Result 2141 states and 3363 transitions. [2024-10-13 05:07:08,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 05:07:08,384 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, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 268 [2024-10-13 05:07:08,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:07:08,394 INFO L225 Difference]: With dead ends: 2141 [2024-10-13 05:07:08,395 INFO L226 Difference]: Without dead ends: 1839 [2024-10-13 05:07:08,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:07:08,398 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 235 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 05:07:08,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 517 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 05:07:08,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1839 states. [2024-10-13 05:07:08,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1839 to 1320. [2024-10-13 05:07:08,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1163 states have (on average 1.531384350816853) internal successors, (1781), 1163 states have internal predecessors, (1781), 152 states have call successors, (152), 4 states have call predecessors, (152), 4 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152) [2024-10-13 05:07:08,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 2085 transitions. [2024-10-13 05:07:08,499 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 2085 transitions. Word has length 268 [2024-10-13 05:07:08,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:07:08,500 INFO L471 AbstractCegarLoop]: Abstraction has 1320 states and 2085 transitions. [2024-10-13 05:07:08,500 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, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 05:07:08,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 2085 transitions. [2024-10-13 05:07:08,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-10-13 05:07:08,505 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:07:08,505 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:07:08,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 05:07:08,505 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:07:08,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:07:08,506 INFO L85 PathProgramCache]: Analyzing trace with hash 41281667, now seen corresponding path program 1 times [2024-10-13 05:07:08,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:07:08,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603748263] [2024-10-13 05:07:08,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:07:08,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:07:08,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat