./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-82.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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-82.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 47ada8c4b49dc10d6d824542040e4f0ddff9852182d4c01266c889099084fc8b --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 14:02:54,270 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 14:02:54,325 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 14:02:54,328 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 14:02:54,329 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 14:02:54,343 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 14:02:54,344 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 14:02:54,344 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 14:02:54,344 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 14:02:54,344 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 14:02:54,344 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 14:02:54,345 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 14:02:54,345 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 14:02:54,345 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 14:02:54,345 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 14:02:54,345 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 14:02:54,345 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 14:02:54,345 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 14:02:54,345 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 14:02:54,345 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 14:02:54,345 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 14:02:54,345 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 14:02:54,345 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 14:02:54,345 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 14:02:54,345 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 14:02:54,345 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 14:02:54,345 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 14:02:54,346 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 14:02:54,346 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 14:02:54,346 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 14:02:54,346 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 14:02:54,346 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 14:02:54,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 14:02:54,346 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 14:02:54,346 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 14:02:54,346 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 14:02:54,346 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 14:02:54,346 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 14:02:54,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 14:02:54,346 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 14:02:54,346 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 14:02:54,346 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 14:02:54,346 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 14:02:54,346 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> 47ada8c4b49dc10d6d824542040e4f0ddff9852182d4c01266c889099084fc8b [2025-03-08 14:02:54,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 14:02:54,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 14:02:54,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 14:02:54,623 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 14:02:54,624 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 14:02:54,625 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-82.i [2025-03-08 14:02:55,833 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60e431771/c14a30f7a9114b7782ec62d0f270ded1/FLAGbfbc58972 [2025-03-08 14:02:56,077 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 14:02:56,078 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-82.i [2025-03-08 14:02:56,084 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60e431771/c14a30f7a9114b7782ec62d0f270ded1/FLAGbfbc58972 [2025-03-08 14:02:56,404 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60e431771/c14a30f7a9114b7782ec62d0f270ded1 [2025-03-08 14:02:56,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 14:02:56,407 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 14:02:56,408 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 14:02:56,409 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 14:02:56,412 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 14:02:56,412 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 02:02:56" (1/1) ... [2025-03-08 14:02:56,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18d1488f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:02:56, skipping insertion in model container [2025-03-08 14:02:56,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 02:02:56" (1/1) ... [2025-03-08 14:02:56,429 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 14:02:56,554 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-82.i[916,929] [2025-03-08 14:02:56,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 14:02:56,660 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 14:02:56,669 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-82.i[916,929] [2025-03-08 14:02:56,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 14:02:56,729 INFO L204 MainTranslator]: Completed translation [2025-03-08 14:02:56,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:02:56 WrapperNode [2025-03-08 14:02:56,729 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 14:02:56,731 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 14:02:56,731 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 14:02:56,731 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 14:02:56,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:02:56" (1/1) ... [2025-03-08 14:02:56,744 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:02:56" (1/1) ... [2025-03-08 14:02:56,774 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 210 [2025-03-08 14:02:56,779 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 14:02:56,779 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 14:02:56,779 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 14:02:56,779 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 14:02:56,788 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:02:56" (1/1) ... [2025-03-08 14:02:56,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:02:56" (1/1) ... [2025-03-08 14:02:56,791 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:02:56" (1/1) ... [2025-03-08 14:02:56,820 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]. [2025-03-08 14:02:56,820 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:02:56" (1/1) ... [2025-03-08 14:02:56,820 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:02:56" (1/1) ... [2025-03-08 14:02:56,828 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:02:56" (1/1) ... [2025-03-08 14:02:56,830 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:02:56" (1/1) ... [2025-03-08 14:02:56,831 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:02:56" (1/1) ... [2025-03-08 14:02:56,832 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:02:56" (1/1) ... [2025-03-08 14:02:56,835 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 14:02:56,835 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 14:02:56,835 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 14:02:56,836 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 14:02:56,836 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:02:56" (1/1) ... [2025-03-08 14:02:56,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 14:02:56,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 14:02:56,865 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) [2025-03-08 14:02:56,868 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 [2025-03-08 14:02:56,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 14:02:56,886 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 14:02:56,886 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 14:02:56,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 14:02:56,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 14:02:56,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 14:02:56,959 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 14:02:56,961 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 14:02:57,339 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2025-03-08 14:02:57,339 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 14:02:57,351 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 14:02:57,351 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 14:02:57,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 02:02:57 BoogieIcfgContainer [2025-03-08 14:02:57,352 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 14:02:57,354 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 14:02:57,354 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 14:02:57,357 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 14:02:57,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 02:02:56" (1/3) ... [2025-03-08 14:02:57,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b0eba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 02:02:57, skipping insertion in model container [2025-03-08 14:02:57,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:02:56" (2/3) ... [2025-03-08 14:02:57,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b0eba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 02:02:57, skipping insertion in model container [2025-03-08 14:02:57,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 02:02:57" (3/3) ... [2025-03-08 14:02:57,359 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-82.i [2025-03-08 14:02:57,370 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 14:02:57,371 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_100-1loop_file-82.i that has 2 procedures, 92 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 14:02:57,415 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 14:02:57,424 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;@781591b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 14:02:57,425 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 14:02:57,428 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 58 states have (on average 1.3793103448275863) internal successors, (80), 59 states have internal predecessors, (80), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2025-03-08 14:02:57,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2025-03-08 14:02:57,443 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 14:02:57,444 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 14:02:57,445 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 14:02:57,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 14:02:57,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1751198698, now seen corresponding path program 1 times [2025-03-08 14:02:57,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 14:02:57,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119082339] [2025-03-08 14:02:57,459 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 14:02:57,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 14:02:57,572 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-03-08 14:02:57,600 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-03-08 14:02:57,601 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 14:02:57,601 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 14:02:57,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 1800 trivial. 0 not checked. [2025-03-08 14:02:57,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 14:02:57,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119082339] [2025-03-08 14:02:57,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119082339] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 14:02:57,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206591953] [2025-03-08 14:02:57,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 14:02:57,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 14:02:57,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 14:02:57,843 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) [2025-03-08 14:02:57,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 14:02:57,977 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-03-08 14:02:58,073 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-03-08 14:02:58,074 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 14:02:58,074 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 14:02:58,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 14:02:58,085 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 14:02:58,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 1800 trivial. 0 not checked. [2025-03-08 14:02:58,109 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 14:02:58,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [206591953] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 14:02:58,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 14:02:58,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 14:02:58,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361653248] [2025-03-08 14:02:58,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 14:02:58,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 14:02:58,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 14:02:58,133 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 14:02:58,133 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 14:02:58,135 INFO L87 Difference]: Start difference. First operand has 92 states, 58 states have (on average 1.3793103448275863) internal successors, (80), 59 states have internal predecessors, (80), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) 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, (31), 2 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2025-03-08 14:02:58,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 14:02:58,166 INFO L93 Difference]: Finished difference Result 181 states and 312 transitions. [2025-03-08 14:02:58,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 14:02:58,169 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, (31), 2 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 202 [2025-03-08 14:02:58,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 14:02:58,173 INFO L225 Difference]: With dead ends: 181 [2025-03-08 14:02:58,174 INFO L226 Difference]: Without dead ends: 89 [2025-03-08 14:02:58,179 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 14:02:58,183 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 14:02:58,184 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 14:02:58,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2025-03-08 14:02:58,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2025-03-08 14:02:58,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 56 states have internal predecessors, (75), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2025-03-08 14:02:58,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 137 transitions. [2025-03-08 14:02:58,226 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 137 transitions. Word has length 202 [2025-03-08 14:02:58,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 14:02:58,226 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 137 transitions. [2025-03-08 14:02:58,226 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, (31), 2 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2025-03-08 14:02:58,226 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 137 transitions. [2025-03-08 14:02:58,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2025-03-08 14:02:58,229 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 14:02:58,230 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 14:02:58,237 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-08 14:02:58,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-08 14:02:58,434 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 14:02:58,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 14:02:58,435 INFO L85 PathProgramCache]: Analyzing trace with hash -792363457, now seen corresponding path program 1 times [2025-03-08 14:02:58,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 14:02:58,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337472622] [2025-03-08 14:02:58,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 14:02:58,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 14:02:58,455 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-03-08 14:02:58,498 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-03-08 14:02:58,498 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 14:02:58,499 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 14:02:58,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2025-03-08 14:02:58,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 14:02:58,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337472622] [2025-03-08 14:02:58,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337472622] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 14:02:58,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 14:02:58,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 14:02:58,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187567506] [2025-03-08 14:02:58,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 14:02:58,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 14:02:58,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 14:02:58,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 14:02:58,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 14:02:58,710 INFO L87 Difference]: Start difference. First operand 89 states and 137 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2025-03-08 14:02:58,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 14:02:58,770 INFO L93 Difference]: Finished difference Result 259 states and 401 transitions. [2025-03-08 14:02:58,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 14:02:58,770 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2025-03-08 14:02:58,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 14:02:58,773 INFO L225 Difference]: With dead ends: 259 [2025-03-08 14:02:58,773 INFO L226 Difference]: Without dead ends: 173 [2025-03-08 14:02:58,773 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 14:02:58,774 INFO L435 NwaCegarLoop]: 229 mSDtfsCounter, 122 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 14:02:58,774 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 354 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 14:02:58,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2025-03-08 14:02:58,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 171. [2025-03-08 14:02:58,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 106 states have (on average 1.320754716981132) internal successors, (140), 106 states have internal predecessors, (140), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2025-03-08 14:02:58,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 264 transitions. [2025-03-08 14:02:58,818 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 264 transitions. Word has length 202 [2025-03-08 14:02:58,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 14:02:58,821 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 264 transitions. [2025-03-08 14:02:58,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2025-03-08 14:02:58,822 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 264 transitions. [2025-03-08 14:02:58,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2025-03-08 14:02:58,826 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 14:02:58,826 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 14:02:58,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 14:02:58,827 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 14:02:58,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 14:02:58,827 INFO L85 PathProgramCache]: Analyzing trace with hash 137097958, now seen corresponding path program 1 times [2025-03-08 14:02:58,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 14:02:58,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312963344] [2025-03-08 14:02:58,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 14:02:58,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 14:02:58,848 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 203 statements into 1 equivalence classes. [2025-03-08 14:02:59,144 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 203 of 203 statements. [2025-03-08 14:02:59,144 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 14:02:59,145 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat