./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-70.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_codestructure_dependencies_file-70.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 150a86d5a785dd5e734eb9205a958977092b5e20d38a63da424f144db7090696 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 12:07:22,922 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 12:07:22,992 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 12:07:22,996 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 12:07:22,997 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 12:07:23,028 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 12:07:23,030 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 12:07:23,030 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 12:07:23,031 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 12:07:23,032 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 12:07:23,032 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 12:07:23,033 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 12:07:23,033 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 12:07:23,033 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 12:07:23,034 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 12:07:23,036 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 12:07:23,037 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 12:07:23,039 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 12:07:23,039 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 12:07:23,039 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 12:07:23,039 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 12:07:23,040 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 12:07:23,041 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 12:07:23,042 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 12:07:23,042 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 12:07:23,042 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 12:07:23,042 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 12:07:23,043 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 12:07:23,043 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 12:07:23,043 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 12:07:23,043 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 12:07:23,044 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 12:07:23,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 12:07:23,045 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 12:07:23,045 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 12:07:23,045 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 12:07:23,046 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 12:07:23,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 12:07:23,046 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 12:07:23,046 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 12:07:23,046 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 12:07:23,047 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 12:07:23,047 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 150a86d5a785dd5e734eb9205a958977092b5e20d38a63da424f144db7090696 [2024-11-16 12:07:23,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 12:07:23,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 12:07:23,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 12:07:23,374 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 12:07:23,374 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 12:07:23,376 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-70.i [2024-11-16 12:07:24,821 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 12:07:25,020 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 12:07:25,022 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-70.i [2024-11-16 12:07:25,034 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7f3ce500/de0143ea9e5643958d5e69961c5e3876/FLAG2c2e8ce41 [2024-11-16 12:07:25,047 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7f3ce500/de0143ea9e5643958d5e69961c5e3876 [2024-11-16 12:07:25,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 12:07:25,053 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 12:07:25,055 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 12:07:25,055 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 12:07:25,062 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 12:07:25,063 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:07:25" (1/1) ... [2024-11-16 12:07:25,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64bbda4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:25, skipping insertion in model container [2024-11-16 12:07:25,064 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:07:25" (1/1) ... [2024-11-16 12:07:25,098 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 12:07:25,298 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_codestructure_dependencies_file-70.i[919,932] [2024-11-16 12:07:25,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 12:07:25,371 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 12:07:25,383 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_codestructure_dependencies_file-70.i[919,932] [2024-11-16 12:07:25,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 12:07:25,430 INFO L204 MainTranslator]: Completed translation [2024-11-16 12:07:25,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:25 WrapperNode [2024-11-16 12:07:25,433 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 12:07:25,435 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 12:07:25,435 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 12:07:25,435 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 12:07:25,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:25" (1/1) ... [2024-11-16 12:07:25,452 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:25" (1/1) ... [2024-11-16 12:07:25,494 INFO L138 Inliner]: procedures = 26, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2024-11-16 12:07:25,498 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 12:07:25,499 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 12:07:25,500 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 12:07:25,500 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 12:07:25,511 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:25" (1/1) ... [2024-11-16 12:07:25,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:25" (1/1) ... [2024-11-16 12:07:25,514 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:25" (1/1) ... [2024-11-16 12:07:25,540 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 12:07:25,540 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:25" (1/1) ... [2024-11-16 12:07:25,540 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:25" (1/1) ... [2024-11-16 12:07:25,550 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:25" (1/1) ... [2024-11-16 12:07:25,555 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:25" (1/1) ... [2024-11-16 12:07:25,556 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:25" (1/1) ... [2024-11-16 12:07:25,565 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:25" (1/1) ... [2024-11-16 12:07:25,569 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 12:07:25,572 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 12:07:25,572 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 12:07:25,572 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 12:07:25,573 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:25" (1/1) ... [2024-11-16 12:07:25,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 12:07:25,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 12:07:25,600 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 12:07:25,603 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 12:07:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 12:07:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 12:07:25,641 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 12:07:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 12:07:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 12:07:25,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 12:07:25,736 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 12:07:25,742 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 12:07:26,300 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-16 12:07:26,300 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 12:07:26,332 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 12:07:26,336 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 12:07:26,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 12:07:26 BoogieIcfgContainer [2024-11-16 12:07:26,338 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 12:07:26,344 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 12:07:26,344 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 12:07:26,348 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 12:07:26,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:07:25" (1/3) ... [2024-11-16 12:07:26,353 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5939cd5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:07:26, skipping insertion in model container [2024-11-16 12:07:26,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:25" (2/3) ... [2024-11-16 12:07:26,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5939cd5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:07:26, skipping insertion in model container [2024-11-16 12:07:26,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 12:07:26" (3/3) ... [2024-11-16 12:07:26,355 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-70.i [2024-11-16 12:07:26,396 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 12:07:26,400 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 12:07:26,550 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 12:07:26,560 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;@73ce9e6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 12:07:26,561 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 12:07:26,568 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 37 states have internal predecessors, (49), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-16 12:07:26,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-16 12:07:26,590 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:07:26,595 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:07:26,596 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:07:26,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:07:26,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1703261113, now seen corresponding path program 1 times [2024-11-16 12:07:26,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:07:26,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852236602] [2024-11-16 12:07:26,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:07:26,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:07:27,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:07:27,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:07:27,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:07:27,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 12:07:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:07:27,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 12:07:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:07:27,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 12:07:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:07:27,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 12:07:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:07:27,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 12:07:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:07:27,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 12:07:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:07:27,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 12:07:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:07:27,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 12:07:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:07:27,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 12:07:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:07:27,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 12:07:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:07:27,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 12:07:27,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:07:27,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 12:07:27,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:07:27,658 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-16 12:07:27,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:07:27,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852236602] [2024-11-16 12:07:27,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852236602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:07:27,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:07:27,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 12:07:27,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060496425] [2024-11-16 12:07:27,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:07:27,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 12:07:27,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:07:27,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 12:07:27,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 12:07:27,698 INFO L87 Difference]: Start difference. First operand has 52 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 37 states have internal predecessors, (49), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 12:07:27,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:07:27,813 INFO L93 Difference]: Finished difference Result 146 states and 232 transitions. [2024-11-16 12:07:27,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 12:07:27,817 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 91 [2024-11-16 12:07:27,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:07:27,827 INFO L225 Difference]: With dead ends: 146 [2024-11-16 12:07:27,828 INFO L226 Difference]: Without dead ends: 97 [2024-11-16 12:07:27,833 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 12:07:27,838 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 65 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 12:07:27,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 158 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 12:07:27,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-16 12:07:27,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 72. [2024-11-16 12:07:27,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 53 states have (on average 1.2830188679245282) internal successors, (68), 54 states have internal predecessors, (68), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-16 12:07:27,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 100 transitions. [2024-11-16 12:07:27,895 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 100 transitions. Word has length 91 [2024-11-16 12:07:27,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:07:27,897 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 100 transitions. [2024-11-16 12:07:27,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-16 12:07:27,901 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2024-11-16 12:07:27,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-16 12:07:27,906 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:07:27,906 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:07:27,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 12:07:27,907 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:07:27,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:07:27,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1704202502, now seen corresponding path program 1 times [2024-11-16 12:07:27,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:07:27,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523106864] [2024-11-16 12:07:27,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:07:27,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:07:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:07:28,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:07:28,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:07:28,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 12:07:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:07:28,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 12:07:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:07:28,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 12:07:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:07:28,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 12:07:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:07:28,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 12:07:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:07:28,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 12:07:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:07:28,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 12:07:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:07:28,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 12:07:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:07:28,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 12:07:28,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:07:28,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 12:07:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:07:28,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 12:07:29,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:07:29,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 12:07:29,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:07:29,054 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 33 proven. 3 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-16 12:07:29,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:07:29,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523106864] [2024-11-16 12:07:29,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523106864] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 12:07:29,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109816917] [2024-11-16 12:07:29,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:07:29,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 12:07:29,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 12:07:29,058 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) [2024-11-16 12:07:29,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 12:07:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:07:29,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-16 12:07:29,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 12:07:30,080 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-16 12:07:30,080 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 12:07:30,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [109816917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:07:30,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 12:07:30,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 15 [2024-11-16 12:07:30,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46194798] [2024-11-16 12:07:30,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:07:30,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 12:07:30,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:07:30,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 12:07:30,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-11-16 12:07:30,088 INFO L87 Difference]: Start difference. First operand 72 states and 100 transitions. Second operand has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 9 states have internal predecessors, (35), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-16 12:07:30,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:07:30,715 INFO L93 Difference]: Finished difference Result 249 states and 338 transitions. [2024-11-16 12:07:30,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-16 12:07:30,717 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 9 states have internal predecessors, (35), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 91 [2024-11-16 12:07:30,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:07:30,721 INFO L225 Difference]: With dead ends: 249 [2024-11-16 12:07:30,722 INFO L226 Difference]: Without dead ends: 180 [2024-11-16 12:07:30,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=175, Invalid=527, Unknown=0, NotChecked=0, Total=702 [2024-11-16 12:07:30,724 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 231 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 12:07:30,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 253 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 12:07:30,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-11-16 12:07:30,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 162. [2024-11-16 12:07:30,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 111 states have (on average 1.2162162162162162) internal successors, (135), 113 states have internal predecessors, (135), 42 states have call successors, (42), 8 states have call predecessors, (42), 8 states have return successors, (42), 40 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-16 12:07:30,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 219 transitions. [2024-11-16 12:07:30,768 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 219 transitions. Word has length 91 [2024-11-16 12:07:30,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:07:30,769 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 219 transitions. [2024-11-16 12:07:30,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 9 states have internal predecessors, (35), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-16 12:07:30,769 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 219 transitions. [2024-11-16 12:07:30,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-16 12:07:30,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:07:30,770 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:07:30,792 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-16 12:07:30,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 12:07:30,975 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:07:30,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:07:30,975 INFO L85 PathProgramCache]: Analyzing trace with hash -103251961, now seen corresponding path program 1 times [2024-11-16 12:07:30,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:07:30,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037410095] [2024-11-16 12:07:30,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:07:30,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:07:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-16 12:07:31,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1762093899] [2024-11-16 12:07:31,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:07:31,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 12:07:31,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 12:07:31,080 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) [2024-11-16 12:07:31,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 12:07:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 12:07:31,297 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.