./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-66.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-66.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 c0271c86359ca1321e131492680f0610c424530e37b1dccfbb85027d39387777 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 00:42:04,381 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:42:04,444 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 00:42:04,459 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:42:04,466 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 00:42:04,510 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:42:04,514 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 00:42:04,515 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 00:42:04,515 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 00:42:04,516 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 00:42:04,516 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:42:04,516 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 00:42:04,518 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:42:04,521 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:42:04,521 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 00:42:04,522 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:42:04,522 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:42:04,526 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:42:04,526 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:42:04,526 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:42:04,527 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:42:04,528 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:42:04,528 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:42:04,528 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:42:04,529 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:42:04,529 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:42:04,529 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:42:04,529 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:42:04,529 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:42:04,529 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 00:42:04,529 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 00:42:04,530 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 00:42:04,530 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 00:42:04,530 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:42:04,530 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:42:04,530 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:42:04,530 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 00:42:04,530 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:42:04,531 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 00:42:04,531 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 00:42:04,531 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 00:42:04,536 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 00:42:04,536 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0271c86359ca1321e131492680f0610c424530e37b1dccfbb85027d39387777 [2024-11-09 00:42:04,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:42:04,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:42:04,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:42:04,988 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:42:04,988 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:42:04,989 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-66.i [2024-11-09 00:42:06,330 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:42:06,683 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:42:06,683 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-66.i [2024-11-09 00:42:06,704 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da7e7d66e/1935b80d4f2a40ac996926d095017adf/FLAG88c5cbd20 [2024-11-09 00:42:06,928 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da7e7d66e/1935b80d4f2a40ac996926d095017adf [2024-11-09 00:42:06,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:42:06,933 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:42:06,934 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:42:06,935 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:42:06,939 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:42:06,940 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:42:06" (1/1) ... [2024-11-09 00:42:06,942 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d65ba78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:06, skipping insertion in model container [2024-11-09 00:42:06,942 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:42:06" (1/1) ... [2024-11-09 00:42:06,994 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:42:07,131 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-66.i[916,929] [2024-11-09 00:42:07,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:42:07,259 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:42:07,269 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-66.i[916,929] [2024-11-09 00:42:07,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:42:07,449 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:42:07,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:07 WrapperNode [2024-11-09 00:42:07,449 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:42:07,450 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:42:07,451 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:42:07,451 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:42:07,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:07" (1/1) ... [2024-11-09 00:42:07,470 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:07" (1/1) ... [2024-11-09 00:42:07,530 INFO L138 Inliner]: procedures = 26, calls = 56, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 451 [2024-11-09 00:42:07,530 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:42:07,531 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:42:07,531 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:42:07,531 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:42:07,540 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:07" (1/1) ... [2024-11-09 00:42:07,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:07" (1/1) ... [2024-11-09 00:42:07,546 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:07" (1/1) ... [2024-11-09 00:42:07,573 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 00:42:07,573 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:07" (1/1) ... [2024-11-09 00:42:07,574 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:07" (1/1) ... [2024-11-09 00:42:07,588 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:07" (1/1) ... [2024-11-09 00:42:07,592 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:07" (1/1) ... [2024-11-09 00:42:07,597 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:07" (1/1) ... [2024-11-09 00:42:07,601 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:07" (1/1) ... [2024-11-09 00:42:07,608 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:42:07,609 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:42:07,609 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:42:07,609 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:42:07,610 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:07" (1/1) ... [2024-11-09 00:42:07,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 00:42:07,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:42:07,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 00:42:07,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 00:42:07,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:42:07,689 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:42:07,689 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:42:07,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 00:42:07,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:42:07,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:42:07,772 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:42:07,774 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:42:08,519 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live. [2024-11-09 00:42:08,519 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:42:08,539 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:42:08,540 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:42:08,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:42:08 BoogieIcfgContainer [2024-11-09 00:42:08,541 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:42:08,543 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 00:42:08,543 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 00:42:08,546 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 00:42:08,546 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:42:06" (1/3) ... [2024-11-09 00:42:08,547 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b915105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:42:08, skipping insertion in model container [2024-11-09 00:42:08,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:07" (2/3) ... [2024-11-09 00:42:08,548 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b915105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:42:08, skipping insertion in model container [2024-11-09 00:42:08,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:42:08" (3/3) ... [2024-11-09 00:42:08,549 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-66.i [2024-11-09 00:42:08,563 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 00:42:08,563 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 00:42:08,628 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 00:42:08,633 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;@46fc0043, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 00:42:08,634 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 00:42:08,638 INFO L276 IsEmpty]: Start isEmpty. Operand has 187 states, 141 states have (on average 1.5106382978723405) internal successors, (213), 142 states have internal predecessors, (213), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-09 00:42:08,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-09 00:42:08,665 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:42:08,666 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:42:08,666 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:42:08,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:42:08,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1146009721, now seen corresponding path program 1 times [2024-11-09 00:42:08,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:42:08,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023530779] [2024-11-09 00:42:08,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:42:08,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:42:09,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:42:09,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:42:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:42:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:42:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 00:42:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 00:42:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 00:42:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 00:42:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 00:42:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-09 00:42:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 00:42:09,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 00:42:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 00:42:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 00:42:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-09 00:42:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-09 00:42:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 00:42:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 00:42:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 00:42:09,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 00:42:09,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-09 00:42:09,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-09 00:42:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-09 00:42:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 00:42:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 00:42:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 00:42:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-09 00:42:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-09 00:42:09,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-09 00:42:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-09 00:42:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-09 00:42:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-09 00:42:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-09 00:42:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-09 00:42:09,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-09 00:42:09,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-09 00:42:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-09 00:42:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-09 00:42:09,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-09 00:42:09,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-09 00:42:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-09 00:42:09,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-09 00:42:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,258 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-09 00:42:09,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:42:09,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023530779] [2024-11-09 00:42:09,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023530779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:42:09,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:42:09,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 00:42:09,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084648801] [2024-11-09 00:42:09,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:42:09,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 00:42:09,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:42:09,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 00:42:09,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 00:42:09,305 INFO L87 Difference]: Start difference. First operand has 187 states, 141 states have (on average 1.5106382978723405) internal successors, (213), 142 states have internal predecessors, (213), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) Second operand has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-09 00:42:09,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:42:09,353 INFO L93 Difference]: Finished difference Result 367 states and 635 transitions. [2024-11-09 00:42:09,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 00:42:09,356 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) Word has length 295 [2024-11-09 00:42:09,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:42:09,365 INFO L225 Difference]: With dead ends: 367 [2024-11-09 00:42:09,365 INFO L226 Difference]: Without dead ends: 183 [2024-11-09 00:42:09,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 00:42:09,372 INFO L432 NwaCegarLoop]: 290 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 00:42:09,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 00:42:09,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-09 00:42:09,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2024-11-09 00:42:09,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 138 states have (on average 1.4782608695652173) internal successors, (204), 138 states have internal predecessors, (204), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-09 00:42:09,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 290 transitions. [2024-11-09 00:42:09,427 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 290 transitions. Word has length 295 [2024-11-09 00:42:09,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:42:09,428 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 290 transitions. [2024-11-09 00:42:09,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-09 00:42:09,428 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 290 transitions. [2024-11-09 00:42:09,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-09 00:42:09,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:42:09,433 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:42:09,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 00:42:09,434 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:42:09,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:42:09,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1934274111, now seen corresponding path program 1 times [2024-11-09 00:42:09,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:42:09,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793159204] [2024-11-09 00:42:09,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:42:09,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:42:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:42:09,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:42:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:42:09,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:42:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 00:42:09,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 00:42:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 00:42:09,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 00:42:09,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 00:42:09,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-09 00:42:09,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 00:42:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 00:42:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 00:42:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 00:42:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-09 00:42:09,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-09 00:42:09,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 00:42:09,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 00:42:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 00:42:09,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 00:42:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-09 00:42:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-09 00:42:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-09 00:42:09,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 00:42:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 00:42:09,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 00:42:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-09 00:42:09,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-09 00:42:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-09 00:42:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-09 00:42:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-09 00:42:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-09 00:42:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-09 00:42:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-09 00:42:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-09 00:42:09,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-09 00:42:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-09 00:42:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-09 00:42:09,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-09 00:42:09,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-09 00:42:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-09 00:42:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-09 00:42:09,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:09,893 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-09 00:42:09,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:42:09,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793159204] [2024-11-09 00:42:09,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793159204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:42:09,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:42:09,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 00:42:09,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943483666] [2024-11-09 00:42:09,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:42:09,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 00:42:09,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:42:09,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 00:42:09,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 00:42:09,901 INFO L87 Difference]: Start difference. First operand 183 states and 290 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-09 00:42:10,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:42:10,028 INFO L93 Difference]: Finished difference Result 529 states and 842 transitions. [2024-11-09 00:42:10,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 00:42:10,029 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 295 [2024-11-09 00:42:10,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:42:10,036 INFO L225 Difference]: With dead ends: 529 [2024-11-09 00:42:10,037 INFO L226 Difference]: Without dead ends: 349 [2024-11-09 00:42:10,038 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 00:42:10,042 INFO L432 NwaCegarLoop]: 402 mSDtfsCounter, 252 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 00:42:10,043 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 652 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 00:42:10,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2024-11-09 00:42:10,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 217. [2024-11-09 00:42:10,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 172 states have (on average 1.494186046511628) internal successors, (257), 172 states have internal predecessors, (257), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-09 00:42:10,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 343 transitions. [2024-11-09 00:42:10,081 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 343 transitions. Word has length 295 [2024-11-09 00:42:10,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:42:10,082 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 343 transitions. [2024-11-09 00:42:10,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-09 00:42:10,083 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 343 transitions. [2024-11-09 00:42:10,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-09 00:42:10,085 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:42:10,086 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:42:10,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 00:42:10,086 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:42:10,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:42:10,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1872234497, now seen corresponding path program 1 times [2024-11-09 00:42:10,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:42:10,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44589849] [2024-11-09 00:42:10,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:42:10,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:10,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:10,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:42:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:10,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:42:10,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:10,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:42:10,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:10,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:42:10,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:10,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:42:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:10,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 00:42:10,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:10,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 00:42:10,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:10,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 00:42:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:10,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 00:42:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:10,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 00:42:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:11,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-09 00:42:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:11,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 00:42:11,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:11,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 00:42:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:11,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 00:42:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:11,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 00:42:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:11,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-09 00:42:11,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:11,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-09 00:42:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:11,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 00:42:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:11,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 00:42:11,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:11,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 00:42:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:11,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 00:42:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:11,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-09 00:42:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:11,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-09 00:42:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:11,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-09 00:42:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:11,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 00:42:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:11,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 00:42:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:11,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 00:42:11,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:11,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-09 00:42:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:11,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-09 00:42:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:11,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-09 00:42:11,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:11,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-09 00:42:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:11,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-09 00:42:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:11,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-09 00:42:11,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:11,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-09 00:42:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:11,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-09 00:42:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:11,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-09 00:42:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:11,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-09 00:42:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:11,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-09 00:42:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:11,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-09 00:42:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:11,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-09 00:42:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:11,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-09 00:42:11,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:11,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-09 00:42:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:11,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-09 00:42:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:11,188 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-09 00:42:11,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:42:11,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44589849] [2024-11-09 00:42:11,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44589849] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:42:11,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:42:11,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 00:42:11,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071776046] [2024-11-09 00:42:11,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:42:11,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 00:42:11,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:42:11,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 00:42:11,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 00:42:11,194 INFO L87 Difference]: Start difference. First operand 217 states and 343 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-09 00:42:11,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:42:11,431 INFO L93 Difference]: Finished difference Result 692 states and 1102 transitions. [2024-11-09 00:42:11,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 00:42:11,432 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 295 [2024-11-09 00:42:11,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:42:11,435 INFO L225 Difference]: With dead ends: 692 [2024-11-09 00:42:11,435 INFO L226 Difference]: Without dead ends: 478 [2024-11-09 00:42:11,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 00:42:11,437 INFO L432 NwaCegarLoop]: 330 mSDtfsCounter, 263 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 00:42:11,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 890 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 00:42:11,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2024-11-09 00:42:11,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 293. [2024-11-09 00:42:11,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 204 states have (on average 1.4166666666666667) internal successors, (289), 204 states have internal predecessors, (289), 86 states have call successors, (86), 2 states have call predecessors, (86), 2 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-09 00:42:11,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 461 transitions. [2024-11-09 00:42:11,469 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 461 transitions. Word has length 295 [2024-11-09 00:42:11,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:42:11,470 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 461 transitions. [2024-11-09 00:42:11,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-09 00:42:11,470 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 461 transitions. [2024-11-09 00:42:11,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-09 00:42:11,473 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:42:11,473 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:42:11,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 00:42:11,473 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:42:11,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:42:11,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1333116224, now seen corresponding path program 1 times [2024-11-09 00:42:11,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:42:11,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555732180] [2024-11-09 00:42:11,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:42:11,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:11,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:42:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:42:12,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:42:12,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:42:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:42:12,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 00:42:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 00:42:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 00:42:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 00:42:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 00:42:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-09 00:42:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 00:42:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 00:42:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 00:42:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 00:42:12,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-09 00:42:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-09 00:42:12,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 00:42:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 00:42:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 00:42:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 00:42:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-09 00:42:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-09 00:42:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-09 00:42:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 00:42:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 00:42:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 00:42:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-09 00:42:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-09 00:42:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-09 00:42:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-09 00:42:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-09 00:42:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-09 00:42:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-09 00:42:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-09 00:42:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-09 00:42:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-09 00:42:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-09 00:42:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-09 00:42:12,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-09 00:42:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-09 00:42:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-09 00:42:12,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-09 00:42:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,270 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 6 proven. 120 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-09 00:42:12,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:42:12,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555732180] [2024-11-09 00:42:12,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555732180] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 00:42:12,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1016920273] [2024-11-09 00:42:12,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:42:12,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:42:12,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:42:12,274 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 00:42:12,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 00:42:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:12,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:42:12,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:42:13,766 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 844 proven. 219 refuted. 0 times theorem prover too weak. 2549 trivial. 0 not checked. [2024-11-09 00:42:13,766 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 00:42:14,461 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 27 proven. 222 refuted. 0 times theorem prover too weak. 3363 trivial. 0 not checked. [2024-11-09 00:42:14,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1016920273] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 00:42:14,465 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 00:42:14,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 8] total 13 [2024-11-09 00:42:14,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493030712] [2024-11-09 00:42:14,465 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 00:42:14,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 00:42:14,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:42:14,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 00:42:14,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-11-09 00:42:14,470 INFO L87 Difference]: Start difference. First operand 293 states and 461 transitions. Second operand has 13 states, 13 states have (on average 12.692307692307692) internal successors, (165), 13 states have internal predecessors, (165), 4 states have call successors, (121), 3 states have call predecessors, (121), 7 states have return successors, (123), 4 states have call predecessors, (123), 4 states have call successors, (123) [2024-11-09 00:42:15,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:42:15,069 INFO L93 Difference]: Finished difference Result 535 states and 823 transitions. [2024-11-09 00:42:15,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 00:42:15,069 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 12.692307692307692) internal successors, (165), 13 states have internal predecessors, (165), 4 states have call successors, (121), 3 states have call predecessors, (121), 7 states have return successors, (123), 4 states have call predecessors, (123), 4 states have call successors, (123) Word has length 296 [2024-11-09 00:42:15,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:42:15,072 INFO L225 Difference]: With dead ends: 535 [2024-11-09 00:42:15,074 INFO L226 Difference]: Without dead ends: 321 [2024-11-09 00:42:15,075 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 696 GetRequests, 670 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=204, Invalid=446, Unknown=0, NotChecked=0, Total=650 [2024-11-09 00:42:15,076 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 590 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 593 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 00:42:15,077 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [593 Valid, 668 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 00:42:15,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-09 00:42:15,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 317. [2024-11-09 00:42:15,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 222 states have (on average 1.3693693693693694) internal successors, (304), 222 states have internal predecessors, (304), 86 states have call successors, (86), 8 states have call predecessors, (86), 8 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-09 00:42:15,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 476 transitions. [2024-11-09 00:42:15,109 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 476 transitions. Word has length 296 [2024-11-09 00:42:15,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:42:15,110 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 476 transitions. [2024-11-09 00:42:15,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.692307692307692) internal successors, (165), 13 states have internal predecessors, (165), 4 states have call successors, (121), 3 states have call predecessors, (121), 7 states have return successors, (123), 4 states have call predecessors, (123), 4 states have call successors, (123) [2024-11-09 00:42:15,111 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 476 transitions. [2024-11-09 00:42:15,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-09 00:42:15,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:42:15,114 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:42:15,134 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 00:42:15,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:42:15,317 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:42:15,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:42:15,318 INFO L85 PathProgramCache]: Analyzing trace with hash 623408572, now seen corresponding path program 1 times [2024-11-09 00:42:15,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:42:15,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138249819] [2024-11-09 00:42:15,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:42:15,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:15,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:42:15,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:42:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:42:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:42:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:42:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 00:42:15,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 00:42:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 00:42:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 00:42:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 00:42:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-09 00:42:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 00:42:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 00:42:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 00:42:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 00:42:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-09 00:42:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-09 00:42:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 00:42:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 00:42:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 00:42:15,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 00:42:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-09 00:42:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-09 00:42:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-09 00:42:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 00:42:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 00:42:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 00:42:15,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-09 00:42:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-09 00:42:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-09 00:42:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-09 00:42:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-09 00:42:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-09 00:42:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-09 00:42:15,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-09 00:42:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-09 00:42:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-09 00:42:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-09 00:42:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-09 00:42:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-09 00:42:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-09 00:42:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-09 00:42:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-09 00:42:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:15,630 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-09 00:42:15,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:42:15,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138249819] [2024-11-09 00:42:15,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138249819] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:42:15,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:42:15,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 00:42:15,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973880099] [2024-11-09 00:42:15,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:42:15,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 00:42:15,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:42:15,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 00:42:15,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 00:42:15,633 INFO L87 Difference]: Start difference. First operand 317 states and 476 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-09 00:42:15,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:42:15,709 INFO L93 Difference]: Finished difference Result 769 states and 1168 transitions. [2024-11-09 00:42:15,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 00:42:15,710 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 297 [2024-11-09 00:42:15,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:42:15,713 INFO L225 Difference]: With dead ends: 769 [2024-11-09 00:42:15,715 INFO L226 Difference]: Without dead ends: 543 [2024-11-09 00:42:15,715 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 00:42:15,717 INFO L432 NwaCegarLoop]: 281 mSDtfsCounter, 200 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 821 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 00:42:15,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 821 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 00:42:15,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-09 00:42:15,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 541. [2024-11-09 00:42:15,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 399 states have (on average 1.406015037593985) internal successors, (561), 399 states have internal predecessors, (561), 129 states have call successors, (129), 12 states have call predecessors, (129), 12 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) [2024-11-09 00:42:15,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 819 transitions. [2024-11-09 00:42:15,765 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 819 transitions. Word has length 297 [2024-11-09 00:42:15,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:42:15,768 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 819 transitions. [2024-11-09 00:42:15,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-09 00:42:15,768 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 819 transitions. [2024-11-09 00:42:15,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-11-09 00:42:15,772 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:42:15,772 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:42:15,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 00:42:15,772 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:42:15,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:42:15,773 INFO L85 PathProgramCache]: Analyzing trace with hash -486270479, now seen corresponding path program 1 times [2024-11-09 00:42:15,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:42:15,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328564349] [2024-11-09 00:42:15,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:42:15,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:42:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:42:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:42:16,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:42:16,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:42:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 00:42:16,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 00:42:16,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 00:42:16,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 00:42:16,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 00:42:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-09 00:42:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 00:42:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 00:42:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 00:42:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 00:42:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-09 00:42:16,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-09 00:42:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 00:42:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 00:42:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 00:42:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 00:42:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-09 00:42:16,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-09 00:42:16,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-09 00:42:16,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 00:42:16,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 00:42:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 00:42:16,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-09 00:42:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-09 00:42:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-09 00:42:16,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-09 00:42:16,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-09 00:42:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-09 00:42:16,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-09 00:42:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-09 00:42:16,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-09 00:42:16,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-09 00:42:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-09 00:42:16,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-09 00:42:16,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-09 00:42:16,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-09 00:42:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-09 00:42:16,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-09 00:42:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,699 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 33 proven. 93 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-09 00:42:16,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:42:16,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328564349] [2024-11-09 00:42:16,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328564349] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 00:42:16,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1832319075] [2024-11-09 00:42:16,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:42:16,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:42:16,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:42:16,702 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 00:42:16,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 00:42:16,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:16,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 00:42:16,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:42:17,462 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 1428 proven. 93 refuted. 0 times theorem prover too weak. 2091 trivial. 0 not checked. [2024-11-09 00:42:17,463 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 00:42:17,750 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 33 proven. 93 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-09 00:42:17,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1832319075] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 00:42:17,751 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 00:42:17,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 15 [2024-11-09 00:42:17,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930198771] [2024-11-09 00:42:17,751 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 00:42:17,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 00:42:17,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:42:17,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 00:42:17,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2024-11-09 00:42:17,753 INFO L87 Difference]: Start difference. First operand 541 states and 819 transitions. Second operand has 15 states, 15 states have (on average 13.066666666666666) internal successors, (196), 15 states have internal predecessors, (196), 5 states have call successors, (129), 3 states have call predecessors, (129), 6 states have return successors, (129), 5 states have call predecessors, (129), 5 states have call successors, (129) [2024-11-09 00:42:18,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:42:18,165 INFO L93 Difference]: Finished difference Result 1009 states and 1523 transitions. [2024-11-09 00:42:18,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 00:42:18,166 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 13.066666666666666) internal successors, (196), 15 states have internal predecessors, (196), 5 states have call successors, (129), 3 states have call predecessors, (129), 6 states have return successors, (129), 5 states have call predecessors, (129), 5 states have call successors, (129) Word has length 298 [2024-11-09 00:42:18,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:42:18,171 INFO L225 Difference]: With dead ends: 1009 [2024-11-09 00:42:18,171 INFO L226 Difference]: Without dead ends: 559 [2024-11-09 00:42:18,173 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 694 GetRequests, 674 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2024-11-09 00:42:18,173 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 1154 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 248 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1154 SdHoareTripleChecker+Valid, 775 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 248 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 00:42:18,173 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1154 Valid, 775 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [248 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 00:42:18,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2024-11-09 00:42:18,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 553. [2024-11-09 00:42:18,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 408 states have (on average 1.3872549019607843) internal successors, (566), 408 states have internal predecessors, (566), 129 states have call successors, (129), 15 states have call predecessors, (129), 15 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) [2024-11-09 00:42:18,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 824 transitions. [2024-11-09 00:42:18,244 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 824 transitions. Word has length 298 [2024-11-09 00:42:18,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:42:18,244 INFO L471 AbstractCegarLoop]: Abstraction has 553 states and 824 transitions. [2024-11-09 00:42:18,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 13.066666666666666) internal successors, (196), 15 states have internal predecessors, (196), 5 states have call successors, (129), 3 states have call predecessors, (129), 6 states have return successors, (129), 5 states have call predecessors, (129), 5 states have call successors, (129) [2024-11-09 00:42:18,245 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 824 transitions. [2024-11-09 00:42:18,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-11-09 00:42:18,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:42:18,248 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:42:18,263 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 00:42:18,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-09 00:42:18,450 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:42:18,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:42:18,451 INFO L85 PathProgramCache]: Analyzing trace with hash 215329395, now seen corresponding path program 1 times [2024-11-09 00:42:18,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:42:18,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018352294] [2024-11-09 00:42:18,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:42:18,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:42:19,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 00:42:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 00:42:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 00:42:19,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 00:42:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 00:42:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 00:42:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 00:42:19,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 00:42:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 00:42:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-09 00:42:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 00:42:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 00:42:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 00:42:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 00:42:19,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-09 00:42:19,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-09 00:42:19,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 00:42:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 00:42:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 00:42:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 00:42:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-09 00:42:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-09 00:42:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-09 00:42:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 00:42:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 00:42:19,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 00:42:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-09 00:42:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-09 00:42:19,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-09 00:42:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-09 00:42:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-09 00:42:19,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-09 00:42:19,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-09 00:42:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-09 00:42:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-09 00:42:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-09 00:42:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-09 00:42:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-09 00:42:19,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-09 00:42:19,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-09 00:42:19,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-09 00:42:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-09 00:42:19,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,433 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 108 proven. 138 refuted. 0 times theorem prover too weak. 3366 trivial. 0 not checked. [2024-11-09 00:42:19,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:42:19,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018352294] [2024-11-09 00:42:19,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018352294] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 00:42:19,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571311332] [2024-11-09 00:42:19,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:42:19,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:42:19,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:42:19,436 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 00:42:19,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 00:42:19,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:42:19,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:42:20,575 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 2110 proven. 138 refuted. 0 times theorem prover too weak. 1364 trivial. 0 not checked. [2024-11-09 00:42:20,576 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 00:42:21,015 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 108 proven. 141 refuted. 0 times theorem prover too weak. 3363 trivial. 0 not checked. [2024-11-09 00:42:21,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [571311332] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 00:42:21,016 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 00:42:21,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 10] total 24 [2024-11-09 00:42:21,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789675276] [2024-11-09 00:42:21,016 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 00:42:21,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-09 00:42:21,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:42:21,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-09 00:42:21,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=422, Unknown=0, NotChecked=0, Total=552 [2024-11-09 00:42:21,018 INFO L87 Difference]: Start difference. First operand 553 states and 824 transitions. Second operand has 24 states, 23 states have (on average 7.3478260869565215) internal successors, (169), 23 states have internal predecessors, (169), 9 states have call successors, (129), 4 states have call predecessors, (129), 9 states have return successors, (129), 9 states have call predecessors, (129), 9 states have call successors, (129) [2024-11-09 00:42:22,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:42:22,449 INFO L93 Difference]: Finished difference Result 1342 states and 2007 transitions. [2024-11-09 00:42:22,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-09 00:42:22,450 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 7.3478260869565215) internal successors, (169), 23 states have internal predecessors, (169), 9 states have call successors, (129), 4 states have call predecessors, (129), 9 states have return successors, (129), 9 states have call predecessors, (129), 9 states have call successors, (129) Word has length 298 [2024-11-09 00:42:22,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:42:22,454 INFO L225 Difference]: With dead ends: 1342 [2024-11-09 00:42:22,456 INFO L226 Difference]: Without dead ends: 884 [2024-11-09 00:42:22,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 700 GetRequests, 666 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 275 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=334, Invalid=926, Unknown=0, NotChecked=0, Total=1260 [2024-11-09 00:42:22,457 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 2244 mSDsluCounter, 2452 mSDsCounter, 0 mSdLazyCounter, 1361 mSolverCounterSat, 354 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2279 SdHoareTripleChecker+Valid, 2677 SdHoareTripleChecker+Invalid, 1715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 354 IncrementalHoareTripleChecker+Valid, 1361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 00:42:22,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2279 Valid, 2677 Invalid, 1715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [354 Valid, 1361 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 00:42:22,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2024-11-09 00:42:22,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 569. [2024-11-09 00:42:22,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 420 states have (on average 1.3738095238095238) internal successors, (577), 420 states have internal predecessors, (577), 129 states have call successors, (129), 19 states have call predecessors, (129), 19 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) [2024-11-09 00:42:22,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 835 transitions. [2024-11-09 00:42:22,508 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 835 transitions. Word has length 298 [2024-11-09 00:42:22,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:42:22,509 INFO L471 AbstractCegarLoop]: Abstraction has 569 states and 835 transitions. [2024-11-09 00:42:22,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 7.3478260869565215) internal successors, (169), 23 states have internal predecessors, (169), 9 states have call successors, (129), 4 states have call predecessors, (129), 9 states have return successors, (129), 9 states have call predecessors, (129), 9 states have call successors, (129) [2024-11-09 00:42:22,509 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 835 transitions. [2024-11-09 00:42:22,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-11-09 00:42:22,512 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:42:22,512 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:42:22,532 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 00:42:22,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:42:22,713 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:42:22,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:42:22,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1723832651, now seen corresponding path program 1 times [2024-11-09 00:42:22,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:42:22,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422911179] [2024-11-09 00:42:22,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:42:22,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:42:23,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [353680888] [2024-11-09 00:42:23,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:42:23,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:42:23,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:42:23,040 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 00:42:23,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process