./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-59.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f 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_fillercode_fillercodesize_ps-cn-100_file-59.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 3e25c1e865f9c17a1fadd9c040f12ed15699bfd313ad109ce8205c26bee89007 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 03:55:58,890 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 03:55:58,963 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 03:55:58,967 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 03:55:58,968 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 03:55:58,990 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 03:55:58,991 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 03:55:58,991 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 03:55:58,991 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 03:55:58,992 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 03:55:58,993 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 03:55:58,993 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 03:55:58,995 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 03:55:58,999 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 03:55:58,999 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 03:55:58,999 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 03:55:59,000 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 03:55:59,000 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 03:55:59,000 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 03:55:59,000 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 03:55:59,001 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 03:55:59,001 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 03:55:59,001 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 03:55:59,002 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 03:55:59,002 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 03:55:59,002 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 03:55:59,003 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 03:55:59,003 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 03:55:59,003 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 03:55:59,003 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 03:55:59,004 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 03:55:59,004 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 03:55:59,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 03:55:59,005 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 03:55:59,005 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 03:55:59,005 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 03:55:59,006 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 03:55:59,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 03:55:59,006 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 03:55:59,006 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 03:55:59,007 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 03:55:59,007 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 03:55:59,007 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e25c1e865f9c17a1fadd9c040f12ed15699bfd313ad109ce8205c26bee89007 [2024-11-10 03:55:59,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 03:55:59,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 03:55:59,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 03:55:59,300 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 03:55:59,301 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 03:55:59,303 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-59.i [2024-11-10 03:56:00,777 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 03:56:01,036 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 03:56:01,038 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-59.i [2024-11-10 03:56:01,053 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5577e58e8/436a0efa9cab42628c3b55651c8e0c46/FLAG32996f469 [2024-11-10 03:56:01,071 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5577e58e8/436a0efa9cab42628c3b55651c8e0c46 [2024-11-10 03:56:01,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 03:56:01,077 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 03:56:01,080 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 03:56:01,081 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 03:56:01,086 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 03:56:01,087 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:56:01" (1/1) ... [2024-11-10 03:56:01,088 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c458e3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:56:01, skipping insertion in model container [2024-11-10 03:56:01,088 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:56:01" (1/1) ... [2024-11-10 03:56:01,129 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 03:56:01,325 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_fillercode_fillercodesize_ps-cn-100_file-59.i[916,929] [2024-11-10 03:56:01,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 03:56:01,445 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 03:56:01,460 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_fillercode_fillercodesize_ps-cn-100_file-59.i[916,929] [2024-11-10 03:56:01,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 03:56:01,619 INFO L204 MainTranslator]: Completed translation [2024-11-10 03:56:01,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:56:01 WrapperNode [2024-11-10 03:56:01,620 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 03:56:01,621 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 03:56:01,621 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 03:56:01,621 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 03:56:01,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:56:01" (1/1) ... [2024-11-10 03:56:01,646 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:56:01" (1/1) ... [2024-11-10 03:56:01,698 INFO L138 Inliner]: procedures = 26, calls = 62, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 351 [2024-11-10 03:56:01,699 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 03:56:01,700 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 03:56:01,700 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 03:56:01,700 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 03:56:01,711 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:56:01" (1/1) ... [2024-11-10 03:56:01,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:56:01" (1/1) ... [2024-11-10 03:56:01,723 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:56:01" (1/1) ... [2024-11-10 03:56:01,765 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]. [2024-11-10 03:56:01,766 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:56:01" (1/1) ... [2024-11-10 03:56:01,766 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:56:01" (1/1) ... [2024-11-10 03:56:01,783 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:56:01" (1/1) ... [2024-11-10 03:56:01,789 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:56:01" (1/1) ... [2024-11-10 03:56:01,791 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:56:01" (1/1) ... [2024-11-10 03:56:01,795 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:56:01" (1/1) ... [2024-11-10 03:56:01,801 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 03:56:01,802 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 03:56:01,802 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 03:56:01,802 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 03:56:01,803 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:56:01" (1/1) ... [2024-11-10 03:56:01,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 03:56:01,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 03:56:01,841 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) [2024-11-10 03:56:01,847 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 [2024-11-10 03:56:01,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 03:56:01,888 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 03:56:01,889 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 03:56:01,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 03:56:01,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 03:56:01,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 03:56:02,010 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 03:56:02,011 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 03:56:02,625 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-10 03:56:02,626 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 03:56:02,653 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 03:56:02,654 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 03:56:02,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 03:56:02 BoogieIcfgContainer [2024-11-10 03:56:02,655 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 03:56:02,658 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 03:56:02,658 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 03:56:02,661 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 03:56:02,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 03:56:01" (1/3) ... [2024-11-10 03:56:02,664 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c1f9ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:56:02, skipping insertion in model container [2024-11-10 03:56:02,664 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:56:01" (2/3) ... [2024-11-10 03:56:02,664 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c1f9ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:56:02, skipping insertion in model container [2024-11-10 03:56:02,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 03:56:02" (3/3) ... [2024-11-10 03:56:02,667 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-59.i [2024-11-10 03:56:02,683 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 03:56:02,683 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 03:56:02,747 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 03:56:02,754 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;@bb1ca9f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 03:56:02,754 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 03:56:02,760 INFO L276 IsEmpty]: Start isEmpty. Operand has 152 states, 100 states have (on average 1.46) internal successors, (146), 101 states have internal predecessors, (146), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-10 03:56:02,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-11-10 03:56:02,776 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:56:02,777 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:56:02,778 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:56:02,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:56:02,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1843037091, now seen corresponding path program 1 times [2024-11-10 03:56:02,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 03:56:02,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491016873] [2024-11-10 03:56:02,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:56:02,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 03:56:02,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 03:56:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 03:56:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 03:56:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 03:56:03,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 03:56:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 03:56:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 03:56:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 03:56:03,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 03:56:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 03:56:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 03:56:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 03:56:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 03:56:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 03:56:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 03:56:03,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 03:56:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 03:56:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 03:56:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 03:56:03,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 03:56:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 03:56:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 03:56:03,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 03:56:03,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 03:56:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 03:56:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 03:56:03,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 03:56:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 03:56:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 03:56:03,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 03:56:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 03:56:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 03:56:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 03:56:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 03:56:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-10 03:56:03,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 03:56:03,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 03:56:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 03:56:03,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 03:56:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 03:56:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 03:56:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-10 03:56:03,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-10 03:56:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-10 03:56:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-10 03:56:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-10 03:56:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-10 03:56:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 03:56:03,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-10 03:56:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:03,527 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-11-10 03:56:03,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 03:56:03,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491016873] [2024-11-10 03:56:03,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491016873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 03:56:03,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 03:56:03,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 03:56:03,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001771451] [2024-11-10 03:56:03,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 03:56:03,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 03:56:03,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 03:56:03,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 03:56:03,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 03:56:03,571 INFO L87 Difference]: Start difference. First operand has 152 states, 100 states have (on average 1.46) internal successors, (146), 101 states have internal predecessors, (146), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) Second operand has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 2 states have call successors, (49) [2024-11-10 03:56:03,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 03:56:03,627 INFO L93 Difference]: Finished difference Result 287 states and 515 transitions. [2024-11-10 03:56:03,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 03:56:03,630 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 2 states have call successors, (49) Word has length 306 [2024-11-10 03:56:03,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 03:56:03,642 INFO L225 Difference]: With dead ends: 287 [2024-11-10 03:56:03,642 INFO L226 Difference]: Without dead ends: 138 [2024-11-10 03:56:03,648 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 03:56:03,651 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 03:56:03,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 215 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 03:56:03,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-10 03:56:03,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2024-11-10 03:56:03,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 87 states have (on average 1.4022988505747127) internal successors, (122), 87 states have internal predecessors, (122), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-10 03:56:03,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 220 transitions. [2024-11-10 03:56:03,725 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 220 transitions. Word has length 306 [2024-11-10 03:56:03,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 03:56:03,730 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 220 transitions. [2024-11-10 03:56:03,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 2 states have call successors, (49) [2024-11-10 03:56:03,730 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 220 transitions. [2024-11-10 03:56:03,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-11-10 03:56:03,738 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:56:03,739 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:56:03,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 03:56:03,740 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:56:03,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:56:03,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1512832834, now seen corresponding path program 1 times [2024-11-10 03:56:03,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 03:56:03,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43075649] [2024-11-10 03:56:03,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:56:03,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 03:56:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 03:56:04,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 03:56:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 03:56:04,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 03:56:04,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 03:56:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 03:56:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 03:56:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 03:56:04,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 03:56:04,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 03:56:04,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 03:56:04,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 03:56:04,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 03:56:04,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 03:56:04,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 03:56:04,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 03:56:04,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 03:56:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 03:56:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 03:56:04,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 03:56:04,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 03:56:04,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 03:56:04,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 03:56:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 03:56:04,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 03:56:04,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 03:56:04,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 03:56:04,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 03:56:04,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 03:56:04,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 03:56:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 03:56:04,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 03:56:04,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 03:56:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 03:56:04,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-10 03:56:04,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 03:56:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 03:56:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 03:56:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 03:56:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 03:56:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 03:56:04,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-10 03:56:04,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-10 03:56:04,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-10 03:56:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-10 03:56:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-10 03:56:04,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-10 03:56:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 03:56:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-10 03:56:04,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:04,680 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-11-10 03:56:04,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 03:56:04,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43075649] [2024-11-10 03:56:04,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43075649] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 03:56:04,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 03:56:04,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 03:56:04,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25159943] [2024-11-10 03:56:04,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 03:56:04,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 03:56:04,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 03:56:04,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 03:56:04,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 03:56:04,690 INFO L87 Difference]: Start difference. First operand 138 states and 220 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-10 03:56:05,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 03:56:05,011 INFO L93 Difference]: Finished difference Result 410 states and 656 transitions. [2024-11-10 03:56:05,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 03:56:05,012 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 306 [2024-11-10 03:56:05,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 03:56:05,022 INFO L225 Difference]: With dead ends: 410 [2024-11-10 03:56:05,024 INFO L226 Difference]: Without dead ends: 275 [2024-11-10 03:56:05,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 03:56:05,027 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 170 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 03:56:05,030 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 629 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 03:56:05,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2024-11-10 03:56:05,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 254. [2024-11-10 03:56:05,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 153 states have (on average 1.3856209150326797) internal successors, (212), 153 states have internal predecessors, (212), 98 states have call successors, (98), 2 states have call predecessors, (98), 2 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-10 03:56:05,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 408 transitions. [2024-11-10 03:56:05,103 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 408 transitions. Word has length 306 [2024-11-10 03:56:05,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 03:56:05,104 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 408 transitions. [2024-11-10 03:56:05,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-10 03:56:05,105 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 408 transitions. [2024-11-10 03:56:05,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-10 03:56:05,110 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:56:05,111 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:56:05,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 03:56:05,111 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:56:05,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:56:05,112 INFO L85 PathProgramCache]: Analyzing trace with hash -498359326, now seen corresponding path program 1 times [2024-11-10 03:56:05,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 03:56:05,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973331512] [2024-11-10 03:56:05,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:56:05,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 03:56:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 03:56:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 03:56:05,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 03:56:05,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 03:56:05,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 03:56:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 03:56:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 03:56:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 03:56:05,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 03:56:05,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 03:56:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 03:56:05,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 03:56:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 03:56:05,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 03:56:05,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 03:56:05,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 03:56:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 03:56:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 03:56:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 03:56:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 03:56:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 03:56:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 03:56:05,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 03:56:05,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 03:56:05,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 03:56:05,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 03:56:05,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 03:56:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 03:56:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 03:56:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 03:56:05,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 03:56:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 03:56:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 03:56:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 03:56:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-10 03:56:05,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 03:56:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 03:56:05,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 03:56:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 03:56:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 03:56:05,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 03:56:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-10 03:56:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-10 03:56:05,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-10 03:56:05,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-10 03:56:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-10 03:56:05,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-10 03:56:05,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 03:56:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-10 03:56:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:05,791 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-11-10 03:56:05,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 03:56:05,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973331512] [2024-11-10 03:56:05,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973331512] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 03:56:05,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 03:56:05,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 03:56:05,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414710792] [2024-11-10 03:56:05,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 03:56:05,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 03:56:05,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 03:56:05,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 03:56:05,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 03:56:05,797 INFO L87 Difference]: Start difference. First operand 254 states and 408 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-10 03:56:06,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 03:56:06,118 INFO L93 Difference]: Finished difference Result 536 states and 856 transitions. [2024-11-10 03:56:06,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 03:56:06,119 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 307 [2024-11-10 03:56:06,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 03:56:06,123 INFO L225 Difference]: With dead ends: 536 [2024-11-10 03:56:06,124 INFO L226 Difference]: Without dead ends: 401 [2024-11-10 03:56:06,125 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 03:56:06,126 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 186 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 03:56:06,126 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 628 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 03:56:06,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2024-11-10 03:56:06,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 386. [2024-11-10 03:56:06,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 235 states have (on average 1.3914893617021276) internal successors, (327), 235 states have internal predecessors, (327), 147 states have call successors, (147), 3 states have call predecessors, (147), 3 states have return successors, (147), 147 states have call predecessors, (147), 147 states have call successors, (147) [2024-11-10 03:56:06,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 621 transitions. [2024-11-10 03:56:06,183 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 621 transitions. Word has length 307 [2024-11-10 03:56:06,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 03:56:06,184 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 621 transitions. [2024-11-10 03:56:06,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-11-10 03:56:06,184 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 621 transitions. [2024-11-10 03:56:06,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2024-11-10 03:56:06,188 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:56:06,188 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:56:06,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 03:56:06,188 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:56:06,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:56:06,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1656789797, now seen corresponding path program 1 times [2024-11-10 03:56:06,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 03:56:06,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505442478] [2024-11-10 03:56:06,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:56:06,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 03:56:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 03:56:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 03:56:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 03:56:06,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 03:56:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 03:56:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 03:56:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 03:56:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 03:56:06,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 03:56:06,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 03:56:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 03:56:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 03:56:06,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 03:56:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 03:56:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 03:56:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 03:56:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 03:56:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 03:56:06,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 03:56:06,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 03:56:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 03:56:06,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 03:56:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 03:56:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 03:56:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 03:56:06,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 03:56:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 03:56:06,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 03:56:06,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 03:56:06,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 03:56:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 03:56:06,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 03:56:06,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 03:56:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 03:56:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-10 03:56:06,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 03:56:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 03:56:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:06,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 03:56:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:07,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 03:56:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:07,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 03:56:07,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:07,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 03:56:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:07,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-10 03:56:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:07,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-10 03:56:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:07,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-10 03:56:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:07,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-10 03:56:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:07,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-10 03:56:07,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:07,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-10 03:56:07,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:07,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 03:56:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:07,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-10 03:56:07,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:07,047 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 36 proven. 108 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2024-11-10 03:56:07,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 03:56:07,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505442478] [2024-11-10 03:56:07,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505442478] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 03:56:07,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423027435] [2024-11-10 03:56:07,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:56:07,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 03:56:07,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 03:56:07,051 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) [2024-11-10 03:56:07,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 03:56:07,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:07,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 03:56:07,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 03:56:07,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 1800 proven. 108 refuted. 0 times theorem prover too weak. 2796 trivial. 0 not checked. [2024-11-10 03:56:07,868 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 03:56:08,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 36 proven. 108 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2024-11-10 03:56:08,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [423027435] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 03:56:08,336 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 03:56:08,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 6] total 10 [2024-11-10 03:56:08,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672706767] [2024-11-10 03:56:08,337 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 03:56:08,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 03:56:08,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 03:56:08,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 03:56:08,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-10 03:56:08,340 INFO L87 Difference]: Start difference. First operand 386 states and 621 transitions. Second operand has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 2 states have call successors, (85), 2 states have call predecessors, (85), 4 states have return successors, (86), 2 states have call predecessors, (86), 2 states have call successors, (86) [2024-11-10 03:56:09,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 03:56:09,247 INFO L93 Difference]: Finished difference Result 904 states and 1412 transitions. [2024-11-10 03:56:09,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-10 03:56:09,248 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 2 states have call successors, (85), 2 states have call predecessors, (85), 4 states have return successors, (86), 2 states have call predecessors, (86), 2 states have call successors, (86) Word has length 308 [2024-11-10 03:56:09,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 03:56:09,254 INFO L225 Difference]: With dead ends: 904 [2024-11-10 03:56:09,255 INFO L226 Difference]: Without dead ends: 637 [2024-11-10 03:56:09,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 732 GetRequests, 709 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=151, Invalid=311, Unknown=0, NotChecked=0, Total=462 [2024-11-10 03:56:09,258 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 416 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 763 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 03:56:09,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 763 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 03:56:09,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2024-11-10 03:56:09,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 486. [2024-11-10 03:56:09,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 305 states have (on average 1.3311475409836067) internal successors, (406), 307 states have internal predecessors, (406), 171 states have call successors, (171), 9 states have call predecessors, (171), 9 states have return successors, (171), 169 states have call predecessors, (171), 171 states have call successors, (171) [2024-11-10 03:56:09,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 748 transitions. [2024-11-10 03:56:09,347 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 748 transitions. Word has length 308 [2024-11-10 03:56:09,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 03:56:09,348 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 748 transitions. [2024-11-10 03:56:09,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 2 states have call successors, (85), 2 states have call predecessors, (85), 4 states have return successors, (86), 2 states have call predecessors, (86), 2 states have call successors, (86) [2024-11-10 03:56:09,349 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 748 transitions. [2024-11-10 03:56:09,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2024-11-10 03:56:09,353 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:56:09,353 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:56:09,374 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 03:56:09,557 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 [2024-11-10 03:56:09,558 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:56:09,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:56:09,559 INFO L85 PathProgramCache]: Analyzing trace with hash -895367164, now seen corresponding path program 1 times [2024-11-10 03:56:09,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 03:56:09,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995316641] [2024-11-10 03:56:09,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:56:09,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 03:56:09,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 03:56:09,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1535447983] [2024-11-10 03:56:09,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:56:09,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 03:56:09,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 03:56:09,829 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) [2024-11-10 03:56:09,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 03:56:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:10,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-10 03:56:10,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 03:56:14,128 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 518 proven. 396 refuted. 0 times theorem prover too weak. 3790 trivial. 0 not checked. [2024-11-10 03:56:14,129 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 03:56:34,052 WARN L286 SmtUtils]: Spent 9.12s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-10 03:56:40,784 WARN L286 SmtUtils]: Spent 6.33s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-10 03:57:10,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 03:57:10,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995316641] [2024-11-10 03:57:10,113 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 03:57:10,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535447983] [2024-11-10 03:57:10,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1535447983] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 03:57:10,114 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 03:57:10,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2024-11-10 03:57:10,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002633792] [2024-11-10 03:57:10,114 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 03:57:10,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-10 03:57:10,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 03:57:10,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-10 03:57:10,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=582, Unknown=0, NotChecked=0, Total=756 [2024-11-10 03:57:10,117 INFO L87 Difference]: Start difference. First operand 486 states and 748 transitions. Second operand has 18 states, 18 states have (on average 4.333333333333333) internal successors, (78), 16 states have internal predecessors, (78), 4 states have call successors, (49), 4 states have call predecessors, (49), 5 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2024-11-10 03:57:12,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 03:57:12,683 INFO L93 Difference]: Finished difference Result 931 states and 1395 transitions. [2024-11-10 03:57:12,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-10 03:57:12,684 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.333333333333333) internal successors, (78), 16 states have internal predecessors, (78), 4 states have call successors, (49), 4 states have call predecessors, (49), 5 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 308 [2024-11-10 03:57:12,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 03:57:12,689 INFO L225 Difference]: With dead ends: 931 [2024-11-10 03:57:12,690 INFO L226 Difference]: Without dead ends: 572 [2024-11-10 03:57:12,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 607 GetRequests, 563 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 26.2s TimeCoverageRelationStatistics Valid=466, Invalid=1604, Unknown=0, NotChecked=0, Total=2070 [2024-11-10 03:57:12,692 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 512 mSDsluCounter, 1194 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 1358 SdHoareTripleChecker+Invalid, 1022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-10 03:57:12,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 1358 Invalid, 1022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-10 03:57:12,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-11-10 03:57:12,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 514. [2024-11-10 03:57:12,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 330 states have (on average 1.3212121212121213) internal successors, (436), 332 states have internal predecessors, (436), 171 states have call successors, (171), 12 states have call predecessors, (171), 12 states have return successors, (171), 169 states have call predecessors, (171), 171 states have call successors, (171) [2024-11-10 03:57:12,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 778 transitions. [2024-11-10 03:57:12,748 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 778 transitions. Word has length 308 [2024-11-10 03:57:12,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 03:57:12,748 INFO L471 AbstractCegarLoop]: Abstraction has 514 states and 778 transitions. [2024-11-10 03:57:12,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.333333333333333) internal successors, (78), 16 states have internal predecessors, (78), 4 states have call successors, (49), 4 states have call predecessors, (49), 5 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2024-11-10 03:57:12,749 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 778 transitions. [2024-11-10 03:57:12,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2024-11-10 03:57:12,754 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:57:12,754 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:57:12,774 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-10 03:57:12,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 03:57:12,955 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:57:12,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:57:12,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1950192804, now seen corresponding path program 1 times [2024-11-10 03:57:12,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 03:57:12,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804322359] [2024-11-10 03:57:12,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:57:12,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 03:57:13,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 03:57:13,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1113234503] [2024-11-10 03:57:13,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:57:13,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 03:57:13,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 03:57:13,309 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) [2024-11-10 03:57:13,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 03:57:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:13,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-10 03:57:13,564 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 03:57:17,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 624 proven. 630 refuted. 0 times theorem prover too weak. 3450 trivial. 0 not checked. [2024-11-10 03:57:17,790 INFO L311 TraceCheckSpWp]: Computing backward predicates...