./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-57.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d 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_loopvsstraightlinecode_100-1loop_file-57.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 129eb72cba2ec6662c92062b72f302d538a3dfe4c41c05f2b8937451c2edd34a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 16:01:12,021 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 16:01:12,102 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 16:01:12,108 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 16:01:12,110 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 16:01:12,137 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 16:01:12,138 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 16:01:12,139 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 16:01:12,139 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 16:01:12,141 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 16:01:12,141 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 16:01:12,141 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 16:01:12,142 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 16:01:12,142 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 16:01:12,143 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 16:01:12,143 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 16:01:12,146 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 16:01:12,146 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 16:01:12,146 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 16:01:12,146 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 16:01:12,147 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 16:01:12,151 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 16:01:12,151 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 16:01:12,152 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 16:01:12,152 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 16:01:12,152 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 16:01:12,152 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 16:01:12,152 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 16:01:12,153 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 16:01:12,153 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 16:01:12,153 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 16:01:12,153 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 16:01:12,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 16:01:12,154 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 16:01:12,154 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 16:01:12,154 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 16:01:12,155 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 16:01:12,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 16:01:12,155 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 16:01:12,155 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 16:01:12,155 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 16:01:12,156 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 16:01:12,157 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 129eb72cba2ec6662c92062b72f302d538a3dfe4c41c05f2b8937451c2edd34a [2024-11-16 16:01:12,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 16:01:12,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 16:01:12,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 16:01:12,498 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 16:01:12,499 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 16:01:12,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-57.i [2024-11-16 16:01:13,937 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 16:01:14,196 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 16:01:14,199 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-57.i [2024-11-16 16:01:14,212 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c47a9407/b0e89e8f1d7545b6abca1a00acc38970/FLAG2cac44f09 [2024-11-16 16:01:14,524 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c47a9407/b0e89e8f1d7545b6abca1a00acc38970 [2024-11-16 16:01:14,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 16:01:14,528 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 16:01:14,529 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 16:01:14,529 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 16:01:14,534 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 16:01:14,535 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:01:14" (1/1) ... [2024-11-16 16:01:14,536 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a38cec2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:01:14, skipping insertion in model container [2024-11-16 16:01:14,536 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:01:14" (1/1) ... [2024-11-16 16:01:14,567 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 16:01:14,747 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_loopvsstraightlinecode_100-1loop_file-57.i[916,929] [2024-11-16 16:01:14,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 16:01:14,868 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 16:01:14,883 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_loopvsstraightlinecode_100-1loop_file-57.i[916,929] [2024-11-16 16:01:14,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 16:01:14,979 INFO L204 MainTranslator]: Completed translation [2024-11-16 16:01:14,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:01:14 WrapperNode [2024-11-16 16:01:14,980 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 16:01:14,981 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 16:01:14,981 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 16:01:14,981 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 16:01:14,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:01:14" (1/1) ... [2024-11-16 16:01:15,006 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:01:14" (1/1) ... [2024-11-16 16:01:15,055 INFO L138 Inliner]: procedures = 26, calls = 49, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 260 [2024-11-16 16:01:15,059 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 16:01:15,060 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 16:01:15,060 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 16:01:15,060 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 16:01:15,072 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:01:14" (1/1) ... [2024-11-16 16:01:15,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:01:14" (1/1) ... [2024-11-16 16:01:15,085 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:01:14" (1/1) ... [2024-11-16 16:01:15,127 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]. [2024-11-16 16:01:15,128 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:01:14" (1/1) ... [2024-11-16 16:01:15,130 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:01:14" (1/1) ... [2024-11-16 16:01:15,152 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:01:14" (1/1) ... [2024-11-16 16:01:15,154 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:01:14" (1/1) ... [2024-11-16 16:01:15,157 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:01:14" (1/1) ... [2024-11-16 16:01:15,164 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:01:14" (1/1) ... [2024-11-16 16:01:15,173 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 16:01:15,176 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 16:01:15,176 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 16:01:15,176 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 16:01:15,177 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:01:14" (1/1) ... [2024-11-16 16:01:15,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 16:01:15,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 16:01:15,219 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) [2024-11-16 16:01:15,223 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 [2024-11-16 16:01:15,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 16:01:15,276 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 16:01:15,277 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 16:01:15,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 16:01:15,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 16:01:15,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 16:01:15,388 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 16:01:15,390 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 16:01:15,925 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L223: havoc property_#t~bitwise25#1;havoc property_#t~short26#1; [2024-11-16 16:01:15,981 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-16 16:01:15,982 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 16:01:16,013 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 16:01:16,014 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 16:01:16,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 04:01:16 BoogieIcfgContainer [2024-11-16 16:01:16,014 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 16:01:16,017 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 16:01:16,018 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 16:01:16,020 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 16:01:16,020 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 04:01:14" (1/3) ... [2024-11-16 16:01:16,021 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d861b14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:01:16, skipping insertion in model container [2024-11-16 16:01:16,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:01:14" (2/3) ... [2024-11-16 16:01:16,021 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d861b14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:01:16, skipping insertion in model container [2024-11-16 16:01:16,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 04:01:16" (3/3) ... [2024-11-16 16:01:16,023 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-57.i [2024-11-16 16:01:16,036 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 16:01:16,037 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 16:01:16,105 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 16:01:16,113 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;@7656c3f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 16:01:16,113 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 16:01:16,118 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 75 states have (on average 1.44) internal successors, (108), 76 states have internal predecessors, (108), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-16 16:01:16,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-11-16 16:01:16,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:01:16,134 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:01:16,134 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:01:16,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:01:16,139 INFO L85 PathProgramCache]: Analyzing trace with hash -892532819, now seen corresponding path program 1 times [2024-11-16 16:01:16,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:01:16,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117644951] [2024-11-16 16:01:16,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:01:16,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:01:16,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:16,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:01:16,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:16,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:01:16,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:16,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 16:01:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:16,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:01:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:16,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 16:01:16,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:16,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:01:16,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:16,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 16:01:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:16,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:01:16,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:16,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 16:01:16,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:16,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:01:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:16,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 16:01:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:16,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:01:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:16,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 16:01:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:16,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 16:01:16,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:16,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 16:01:16,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:16,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 16:01:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:16,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 16:01:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:16,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 16:01:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:16,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 16:01:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:16,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 16:01:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:16,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 16:01:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:16,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 16:01:16,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:16,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 16:01:16,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:16,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 16:01:16,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:16,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 16:01:16,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:16,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 16:01:16,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:16,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 16:01:16,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:16,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 16:01:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:16,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 16:01:16,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:16,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 16:01:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:16,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 16:01:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:16,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-16 16:01:16,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:16,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-16 16:01:16,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:16,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-16 16:01:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:16,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-16 16:01:16,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:16,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-16 16:01:16,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:16,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2024-11-16 16:01:16,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:01:16,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117644951] [2024-11-16 16:01:16,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117644951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:01:16,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:01:16,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 16:01:16,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541725875] [2024-11-16 16:01:16,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:01:16,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 16:01:16,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:01:16,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 16:01:16,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 16:01:16,859 INFO L87 Difference]: Start difference. First operand has 114 states, 75 states have (on average 1.44) internal successors, (108), 76 states have internal predecessors, (108), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-16 16:01:16,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:01:16,931 INFO L93 Difference]: Finished difference Result 224 states and 392 transitions. [2024-11-16 16:01:16,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 16:01:16,936 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 2 states have call successors, (36) Word has length 229 [2024-11-16 16:01:16,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:01:16,946 INFO L225 Difference]: With dead ends: 224 [2024-11-16 16:01:16,947 INFO L226 Difference]: Without dead ends: 109 [2024-11-16 16:01:16,951 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 16:01:16,955 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 16:01:16,956 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 174 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 16:01:16,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-16 16:01:17,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-11-16 16:01:17,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 71 states have (on average 1.408450704225352) internal successors, (100), 71 states have internal predecessors, (100), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-16 16:01:17,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 172 transitions. [2024-11-16 16:01:17,025 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 172 transitions. Word has length 229 [2024-11-16 16:01:17,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:01:17,026 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 172 transitions. [2024-11-16 16:01:17,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-16 16:01:17,026 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 172 transitions. [2024-11-16 16:01:17,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-11-16 16:01:17,030 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:01:17,031 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:01:17,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 16:01:17,031 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:01:17,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:01:17,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1155790351, now seen corresponding path program 1 times [2024-11-16 16:01:17,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:01:17,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568722560] [2024-11-16 16:01:17,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:01:17,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:01:17,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:18,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:01:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:18,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:01:18,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:18,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 16:01:18,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:18,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:01:18,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:18,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 16:01:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:18,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:01:18,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:18,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 16:01:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:18,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:01:18,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:18,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 16:01:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:18,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:01:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:18,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 16:01:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:18,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:01:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:18,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 16:01:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:18,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 16:01:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:18,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 16:01:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:18,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 16:01:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:18,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 16:01:18,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:18,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 16:01:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:18,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 16:01:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:18,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 16:01:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:18,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 16:01:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:18,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 16:01:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:18,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 16:01:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:18,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 16:01:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:18,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 16:01:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:18,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 16:01:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:18,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 16:01:18,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:18,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 16:01:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:18,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 16:01:18,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:18,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 16:01:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:18,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 16:01:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:18,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-16 16:01:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:18,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-16 16:01:18,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:18,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-16 16:01:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:18,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-16 16:01:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:18,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-16 16:01:18,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:18,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2024-11-16 16:01:18,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:01:18,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568722560] [2024-11-16 16:01:18,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568722560] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:01:18,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:01:18,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 16:01:18,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779999031] [2024-11-16 16:01:18,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:01:18,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 16:01:18,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:01:18,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 16:01:18,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 16:01:18,381 INFO L87 Difference]: Start difference. First operand 109 states and 172 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-11-16 16:01:18,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:01:18,919 INFO L93 Difference]: Finished difference Result 355 states and 563 transitions. [2024-11-16 16:01:18,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 16:01:18,920 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 229 [2024-11-16 16:01:18,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:01:18,928 INFO L225 Difference]: With dead ends: 355 [2024-11-16 16:01:18,929 INFO L226 Difference]: Without dead ends: 249 [2024-11-16 16:01:18,930 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-16 16:01:18,933 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 164 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 16:01:18,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 611 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 16:01:18,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-11-16 16:01:18,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 210. [2024-11-16 16:01:18,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 135 states have (on average 1.3925925925925926) internal successors, (188), 135 states have internal predecessors, (188), 72 states have call successors, (72), 2 states have call predecessors, (72), 2 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-16 16:01:18,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 332 transitions. [2024-11-16 16:01:18,995 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 332 transitions. Word has length 229 [2024-11-16 16:01:18,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:01:18,998 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 332 transitions. [2024-11-16 16:01:18,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-11-16 16:01:18,999 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 332 transitions. [2024-11-16 16:01:19,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-11-16 16:01:19,002 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:01:19,002 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:01:19,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 16:01:19,003 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:01:19,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:01:19,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1894412464, now seen corresponding path program 1 times [2024-11-16 16:01:19,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:01:19,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063163275] [2024-11-16 16:01:19,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:01:19,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:01:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:51,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:01:51,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:51,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:01:51,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:51,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 16:01:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:51,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:01:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:51,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 16:01:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:51,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:01:51,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:51,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 16:01:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:51,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:01:51,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:51,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 16:01:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:51,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:01:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:51,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 16:01:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:51,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:01:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:52,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 16:01:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:52,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 16:01:52,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:52,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 16:01:52,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:52,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 16:01:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:52,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 16:01:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:52,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 16:01:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:52,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 16:01:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:52,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 16:01:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:52,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 16:01:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:52,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 16:01:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:52,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 16:01:52,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:52,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 16:01:52,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:52,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 16:01:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:52,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 16:01:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:52,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 16:01:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:52,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 16:01:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:52,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 16:01:52,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:52,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 16:01:52,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:52,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 16:01:52,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:52,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-16 16:01:52,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:52,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-16 16:01:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:52,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-16 16:01:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:52,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-16 16:01:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:52,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-16 16:01:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:01:52,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2024-11-16 16:01:52,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:01:52,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063163275] [2024-11-16 16:01:52,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063163275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:01:52,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:01:52,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-16 16:01:52,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236075802] [2024-11-16 16:01:52,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:01:52,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-16 16:01:52,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:01:52,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-16 16:01:52,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-16 16:01:52,222 INFO L87 Difference]: Start difference. First operand 210 states and 332 transitions. Second operand has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 14 states have internal predecessors, (52), 2 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-16 16:01:57,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:01:57,201 INFO L93 Difference]: Finished difference Result 713 states and 1110 transitions. [2024-11-16 16:01:57,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-16 16:01:57,202 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 14 states have internal predecessors, (52), 2 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 229 [2024-11-16 16:01:57,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:01:57,211 INFO L225 Difference]: With dead ends: 713 [2024-11-16 16:01:57,211 INFO L226 Difference]: Without dead ends: 607 [2024-11-16 16:01:57,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=203, Invalid=609, Unknown=0, NotChecked=0, Total=812 [2024-11-16 16:01:57,216 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 1317 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 1194 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1317 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 1348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 1194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-16 16:01:57,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1317 Valid, 832 Invalid, 1348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 1194 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-16 16:01:57,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2024-11-16 16:01:57,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 296. [2024-11-16 16:01:57,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 184 states have (on average 1.3695652173913044) internal successors, (252), 184 states have internal predecessors, (252), 108 states have call successors, (108), 3 states have call predecessors, (108), 3 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-16 16:01:57,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 468 transitions. [2024-11-16 16:01:57,288 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 468 transitions. Word has length 229 [2024-11-16 16:01:57,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:01:57,290 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 468 transitions. [2024-11-16 16:01:57,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 14 states have internal predecessors, (52), 2 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-16 16:01:57,291 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 468 transitions. [2024-11-16 16:01:57,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-11-16 16:01:57,296 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:01:57,297 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:01:57,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 16:01:57,297 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:01:57,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:01:57,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1601009457, now seen corresponding path program 1 times [2024-11-16 16:01:57,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:01:57,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295236551] [2024-11-16 16:01:57,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:01:57,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:01:57,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:29,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:02:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:29,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:02:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:29,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 16:02:29,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:29,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:02:29,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:29,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 16:02:29,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:29,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:02:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:29,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 16:02:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:29,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:02:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:29,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 16:02:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:29,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:02:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:29,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 16:02:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:29,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:02:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:29,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 16:02:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:29,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 16:02:29,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:29,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 16:02:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:29,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 16:02:29,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:29,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 16:02:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:29,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 16:02:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:29,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 16:02:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:29,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 16:02:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:29,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 16:02:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:29,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 16:02:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:29,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 16:02:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:29,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 16:02:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:29,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 16:02:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:29,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 16:02:29,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:29,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 16:02:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:29,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 16:02:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:29,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 16:02:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:29,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 16:02:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:29,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 16:02:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:29,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-16 16:02:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:29,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-16 16:02:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:29,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-16 16:02:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:29,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-16 16:02:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:29,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-16 16:02:29,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:02:29,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2024-11-16 16:02:29,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:02:29,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295236551] [2024-11-16 16:02:29,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295236551] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:02:29,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:02:29,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-16 16:02:29,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279002849] [2024-11-16 16:02:29,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:02:29,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-16 16:02:29,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:02:29,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-16 16:02:29,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-16 16:02:29,469 INFO L87 Difference]: Start difference. First operand 296 states and 468 transitions. Second operand has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 14 states have internal predecessors, (52), 2 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36)