./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-63.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-63.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 886b3232bc42df15ec2cb488216aa307e0317bc0a29df06284f7e19764141f20 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 02:11:12,220 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 02:11:12,257 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-06 02:11:12,261 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 02:11:12,261 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 02:11:12,275 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 02:11:12,276 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 02:11:12,276 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 02:11:12,276 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 02:11:12,276 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 02:11:12,276 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 02:11:12,276 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 02:11:12,277 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 02:11:12,277 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 02:11:12,277 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 02:11:12,277 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 02:11:12,277 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 02:11:12,277 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 02:11:12,277 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 02:11:12,277 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 02:11:12,277 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 02:11:12,277 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 02:11:12,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 02:11:12,277 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 02:11:12,277 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 02:11:12,277 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 02:11:12,277 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 02:11:12,277 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 02:11:12,277 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 02:11:12,278 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 02:11:12,278 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 02:11:12,278 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 02:11:12,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 02:11:12,278 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 02:11:12,278 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 02:11:12,278 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 02:11:12,278 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 02:11:12,278 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 02:11:12,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 02:11:12,278 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 02:11:12,278 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 02:11:12,278 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 02:11:12,278 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 02:11:12,278 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-jdk21/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 -> 886b3232bc42df15ec2cb488216aa307e0317bc0a29df06284f7e19764141f20 [2025-02-06 02:11:12,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 02:11:12,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 02:11:12,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 02:11:12,558 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 02:11:12,558 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 02:11:12,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-63.i [2025-02-06 02:11:13,767 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/19ec40fb7/79c54bb22693453bbff08a174387e755/FLAG9936b5caa [2025-02-06 02:11:14,054 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 02:11:14,055 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-63.i [2025-02-06 02:11:14,062 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/19ec40fb7/79c54bb22693453bbff08a174387e755/FLAG9936b5caa [2025-02-06 02:11:14,076 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/19ec40fb7/79c54bb22693453bbff08a174387e755 [2025-02-06 02:11:14,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 02:11:14,078 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 02:11:14,080 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 02:11:14,080 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 02:11:14,083 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 02:11:14,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:11:14" (1/1) ... [2025-02-06 02:11:14,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@476cee48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:14, skipping insertion in model container [2025-02-06 02:11:14,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:11:14" (1/1) ... [2025-02-06 02:11:14,096 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 02:11:14,208 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-63.i[915,928] [2025-02-06 02:11:14,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 02:11:14,242 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 02:11:14,250 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-63.i[915,928] [2025-02-06 02:11:14,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 02:11:14,283 INFO L204 MainTranslator]: Completed translation [2025-02-06 02:11:14,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:14 WrapperNode [2025-02-06 02:11:14,284 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 02:11:14,285 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 02:11:14,285 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 02:11:14,285 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 02:11:14,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:14" (1/1) ... [2025-02-06 02:11:14,304 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:14" (1/1) ... [2025-02-06 02:11:14,327 INFO L138 Inliner]: procedures = 26, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 69 [2025-02-06 02:11:14,327 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 02:11:14,327 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 02:11:14,327 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 02:11:14,327 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 02:11:14,334 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:14" (1/1) ... [2025-02-06 02:11:14,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:14" (1/1) ... [2025-02-06 02:11:14,336 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:14" (1/1) ... [2025-02-06 02:11:14,351 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]. [2025-02-06 02:11:14,352 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:14" (1/1) ... [2025-02-06 02:11:14,352 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:14" (1/1) ... [2025-02-06 02:11:14,356 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:14" (1/1) ... [2025-02-06 02:11:14,359 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:14" (1/1) ... [2025-02-06 02:11:14,359 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:14" (1/1) ... [2025-02-06 02:11:14,363 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:14" (1/1) ... [2025-02-06 02:11:14,364 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 02:11:14,364 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 02:11:14,364 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 02:11:14,364 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 02:11:14,365 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:14" (1/1) ... [2025-02-06 02:11:14,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 02:11:14,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 02:11:14,394 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 02:11:14,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 02:11:14,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 02:11:14,419 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 02:11:14,419 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 02:11:14,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 02:11:14,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 02:11:14,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 02:11:14,462 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 02:11:14,463 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 02:11:14,608 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-02-06 02:11:14,608 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 02:11:14,615 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 02:11:14,618 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 02:11:14,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:11:14 BoogieIcfgContainer [2025-02-06 02:11:14,618 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 02:11:14,620 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 02:11:14,620 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 02:11:14,623 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 02:11:14,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 02:11:14" (1/3) ... [2025-02-06 02:11:14,624 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@592484a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:11:14, skipping insertion in model container [2025-02-06 02:11:14,625 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:14" (2/3) ... [2025-02-06 02:11:14,625 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@592484a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:11:14, skipping insertion in model container [2025-02-06 02:11:14,625 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:11:14" (3/3) ... [2025-02-06 02:11:14,626 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-63.i [2025-02-06 02:11:14,636 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 02:11:14,639 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-63.i that has 2 procedures, 32 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 02:11:14,680 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 02:11:14,689 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;@197bae7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 02:11:14,689 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 02:11:14,693 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 22 states have internal predecessors, (26), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 02:11:14,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-06 02:11:14,698 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 02:11:14,698 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 02:11:14,698 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 02:11:14,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 02:11:14,703 INFO L85 PathProgramCache]: Analyzing trace with hash 5506492, now seen corresponding path program 1 times [2025-02-06 02:11:14,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 02:11:14,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693015240] [2025-02-06 02:11:14,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 02:11:14,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 02:11:14,771 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-06 02:11:14,785 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 02:11:14,786 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 02:11:14,786 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 02:11:14,867 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2025-02-06 02:11:14,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 02:11:14,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693015240] [2025-02-06 02:11:14,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693015240] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 02:11:14,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704983140] [2025-02-06 02:11:14,872 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 02:11:14,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 02:11:14,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 02:11:14,877 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 02:11:14,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 02:11:14,921 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-06 02:11:14,942 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 02:11:14,942 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 02:11:14,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 02:11:14,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 02:11:14,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 02:11:14,957 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2025-02-06 02:11:14,957 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 02:11:14,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [704983140] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 02:11:14,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 02:11:14,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 02:11:14,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779881617] [2025-02-06 02:11:14,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 02:11:14,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 02:11:14,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 02:11:14,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 02:11:14,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 02:11:14,978 INFO L87 Difference]: Start difference. First operand has 32 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 22 states have internal predecessors, (26), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 02:11:14,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 02:11:14,989 INFO L93 Difference]: Finished difference Result 58 states and 87 transitions. [2025-02-06 02:11:14,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 02:11:14,991 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 55 [2025-02-06 02:11:14,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 02:11:14,994 INFO L225 Difference]: With dead ends: 58 [2025-02-06 02:11:14,994 INFO L226 Difference]: Without dead ends: 29 [2025-02-06 02:11:14,996 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 02:11:14,998 INFO L435 NwaCegarLoop]: 37 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, 37 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 [2025-02-06 02:11:14,998 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 02:11:15,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2025-02-06 02:11:15,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2025-02-06 02:11:15,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 02:11:15,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 37 transitions. [2025-02-06 02:11:15,020 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 37 transitions. Word has length 55 [2025-02-06 02:11:15,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 02:11:15,021 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 37 transitions. [2025-02-06 02:11:15,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 02:11:15,021 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2025-02-06 02:11:15,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-06 02:11:15,023 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 02:11:15,023 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 02:11:15,029 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 02:11:15,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-06 02:11:15,224 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 02:11:15,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 02:11:15,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1211479138, now seen corresponding path program 1 times [2025-02-06 02:11:15,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 02:11:15,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551579992] [2025-02-06 02:11:15,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 02:11:15,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 02:11:15,236 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-06 02:11:15,305 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 02:11:15,305 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 02:11:15,305 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 02:11:15,305 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 02:11:15,310 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-06 02:11:15,358 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 02:11:15,361 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 02:11:15,361 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 02:11:15,386 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 02:11:15,386 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-06 02:11:15,387 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-06 02:11:15,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 02:11:15,390 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-06 02:11:15,415 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 02:11:15,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 02:11:15 BoogieIcfgContainer [2025-02-06 02:11:15,418 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 02:11:15,418 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 02:11:15,418 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 02:11:15,418 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 02:11:15,419 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:11:14" (3/4) ... [2025-02-06 02:11:15,420 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-06 02:11:15,421 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 02:11:15,421 INFO L158 Benchmark]: Toolchain (without parser) took 1342.73ms. Allocated memory is still 142.6MB. Free memory was 111.1MB in the beginning and 42.8MB in the end (delta: 68.4MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2025-02-06 02:11:15,421 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 123.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 02:11:15,421 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.45ms. Allocated memory is still 142.6MB. Free memory was 111.1MB in the beginning and 99.5MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 02:11:15,422 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.29ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 98.6MB in the end (delta: 972.9kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 02:11:15,422 INFO L158 Benchmark]: Boogie Preprocessor took 36.33ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 96.9MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 02:11:15,422 INFO L158 Benchmark]: IcfgBuilder took 254.05ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 84.7MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 02:11:15,422 INFO L158 Benchmark]: TraceAbstraction took 797.29ms. Allocated memory is still 142.6MB. Free memory was 84.2MB in the beginning and 42.8MB in the end (delta: 41.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-06 02:11:15,422 INFO L158 Benchmark]: Witness Printer took 2.57ms. Allocated memory is still 142.6MB. Free memory is still 42.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 02:11:15,423 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 123.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 204.45ms. Allocated memory is still 142.6MB. Free memory was 111.1MB in the beginning and 99.5MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.29ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 98.6MB in the end (delta: 972.9kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.33ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 96.9MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 254.05ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 84.7MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 797.29ms. Allocated memory is still 142.6MB. Free memory was 84.2MB in the beginning and 42.8MB in the end (delta: 41.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 2.57ms. Allocated memory is still 142.6MB. Free memory is still 42.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 35, overapproximation of someBinaryDOUBLEComparisonOperation at line 51, overapproximation of someBinaryDOUBLEComparisonOperation at line 58, overapproximation of someBinaryDOUBLEComparisonOperation at line 53. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 2.2; [L23] signed long int var_1_2 = 32; [L24] signed long int var_1_3 = 5; [L25] signed long int var_1_4 = 5; [L26] double var_1_6 = 63.2; [L27] double var_1_7 = 25.2; [L28] unsigned long int var_1_8 = 128; VAL [isInitial=0, var_1_1=11/5, var_1_2=32, var_1_3=5, var_1_4=5, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L62] isInitial = 1 [L63] FCALL initially() [L64] COND TRUE 1 [L65] FCALL updateLastVariables() [L66] CALL updateVariables() [L41] var_1_2 = __VERIFIER_nondet_long() [L42] CALL assume_abort_if_not(var_1_2 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=0, var_1_3=5, var_1_4=5, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=0, var_1_3=5, var_1_4=5, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L42] RET assume_abort_if_not(var_1_2 >= -1) VAL [isInitial=1, var_1_1=11/5, var_1_2=0, var_1_3=5, var_1_4=5, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L43] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=0, var_1_3=5, var_1_4=5, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=0, var_1_3=5, var_1_4=5, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L43] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_1=11/5, var_1_2=0, var_1_3=5, var_1_4=5, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L44] var_1_3 = __VERIFIER_nondet_long() [L45] CALL assume_abort_if_not(var_1_3 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=0, var_1_3=-1, var_1_4=5, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=0, var_1_3=-1, var_1_4=5, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L45] RET assume_abort_if_not(var_1_3 >= -1) VAL [isInitial=1, var_1_1=11/5, var_1_2=0, var_1_3=-1, var_1_4=5, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L46] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=0, var_1_3=-1, var_1_4=5, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=0, var_1_3=-1, var_1_4=5, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L46] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_1=11/5, var_1_2=0, var_1_3=-1, var_1_4=5, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L47] var_1_4 = __VERIFIER_nondet_long() [L48] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L48] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_1=11/5, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L49] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L49] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_1=11/5, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L50] var_1_6 = __VERIFIER_nondet_double() [L51] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_7=126/5, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_7=126/5, var_1_8=128] [L51] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=11/5, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_7=126/5, var_1_8=128] [L52] var_1_7 = __VERIFIER_nondet_double() [L53] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_8=128] [L53] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=11/5, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_8=128] [L66] RET updateVariables() [L67] CALL step() [L32] var_1_8 = var_1_4 [L33] signed long int stepLocal_0 = ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) - var_1_4; VAL [isInitial=1, stepLocal_0=0, var_1_1=11/5, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_8=0] [L34] COND TRUE stepLocal_0 >= var_1_8 [L35] var_1_1 = (((((var_1_6 - var_1_7) < 0 ) ? -(var_1_6 - var_1_7) : (var_1_6 - var_1_7))) - 0.8) VAL [isInitial=1, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_8=0] [L67] RET step() [L68] CALL, EXPR property() [L58-L59] return (((((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) - var_1_4) >= var_1_8) ? (var_1_1 == ((double) (((((var_1_6 - var_1_7) < 0 ) ? -(var_1_6 - var_1_7) : (var_1_6 - var_1_7))) - 0.8))) : (var_1_1 == ((double) var_1_7))) && (var_1_8 == ((unsigned long int) var_1_4)) ; VAL [\result=0, isInitial=1, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_8=0] [L68] RET, EXPR property() [L68] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_8=0] [L19] reach_error() VAL [isInitial=1, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 37 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 37 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 165 NumberOfCodeBlocks, 165 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 108 SizeOfPredicates, 0 NumberOfNonLiveVariables, 139 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 210/224 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-02-06 02:11:15,436 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-63.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 886b3232bc42df15ec2cb488216aa307e0317bc0a29df06284f7e19764141f20 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 02:11:17,684 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 02:11:17,796 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-06 02:11:17,802 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 02:11:17,802 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 02:11:17,825 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 02:11:17,826 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 02:11:17,826 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 02:11:17,827 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 02:11:17,827 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 02:11:17,828 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 02:11:17,828 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 02:11:17,828 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 02:11:17,828 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 02:11:17,828 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 02:11:17,828 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 02:11:17,829 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 02:11:17,829 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 02:11:17,829 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 02:11:17,829 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 02:11:17,829 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 02:11:17,829 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 02:11:17,829 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 02:11:17,829 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-06 02:11:17,829 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-06 02:11:17,829 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-06 02:11:17,829 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 02:11:17,830 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 02:11:17,830 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 02:11:17,830 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 02:11:17,830 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 02:11:17,830 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 02:11:17,830 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 02:11:17,830 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 02:11:17,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 02:11:17,831 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 02:11:17,831 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 02:11:17,831 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 02:11:17,831 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 02:11:17,831 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-06 02:11:17,831 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-06 02:11:17,831 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 02:11:17,831 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 02:11:17,831 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 02:11:17,832 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 02:11:17,832 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-jdk21/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 -> 886b3232bc42df15ec2cb488216aa307e0317bc0a29df06284f7e19764141f20 [2025-02-06 02:11:18,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 02:11:18,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 02:11:18,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 02:11:18,051 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 02:11:18,052 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 02:11:18,052 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-63.i [2025-02-06 02:11:19,187 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6e15065de/3f62f04a1aa34087bd4981e915266719/FLAG1ffb6dbda [2025-02-06 02:11:19,378 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 02:11:19,379 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-63.i [2025-02-06 02:11:19,385 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6e15065de/3f62f04a1aa34087bd4981e915266719/FLAG1ffb6dbda [2025-02-06 02:11:19,751 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6e15065de/3f62f04a1aa34087bd4981e915266719 [2025-02-06 02:11:19,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 02:11:19,754 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 02:11:19,755 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 02:11:19,755 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 02:11:19,758 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 02:11:19,758 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:11:19" (1/1) ... [2025-02-06 02:11:19,759 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@799fe5e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:19, skipping insertion in model container [2025-02-06 02:11:19,759 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:11:19" (1/1) ... [2025-02-06 02:11:19,769 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 02:11:19,872 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-63.i[915,928] [2025-02-06 02:11:19,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 02:11:19,909 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 02:11:19,918 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-63.i[915,928] [2025-02-06 02:11:19,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 02:11:19,948 INFO L204 MainTranslator]: Completed translation [2025-02-06 02:11:19,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:19 WrapperNode [2025-02-06 02:11:19,949 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 02:11:19,950 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 02:11:19,950 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 02:11:19,950 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 02:11:19,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:19" (1/1) ... [2025-02-06 02:11:19,962 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:19" (1/1) ... [2025-02-06 02:11:19,977 INFO L138 Inliner]: procedures = 27, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 66 [2025-02-06 02:11:19,979 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 02:11:19,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 02:11:19,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 02:11:19,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 02:11:19,985 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:19" (1/1) ... [2025-02-06 02:11:19,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:19" (1/1) ... [2025-02-06 02:11:19,987 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:19" (1/1) ... [2025-02-06 02:11:20,004 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]. [2025-02-06 02:11:20,007 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:19" (1/1) ... [2025-02-06 02:11:20,008 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:19" (1/1) ... [2025-02-06 02:11:20,016 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:19" (1/1) ... [2025-02-06 02:11:20,017 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:19" (1/1) ... [2025-02-06 02:11:20,018 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:19" (1/1) ... [2025-02-06 02:11:20,021 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:19" (1/1) ... [2025-02-06 02:11:20,023 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 02:11:20,023 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 02:11:20,023 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 02:11:20,023 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 02:11:20,024 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:19" (1/1) ... [2025-02-06 02:11:20,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 02:11:20,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 02:11:20,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 02:11:20,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 02:11:20,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 02:11:20,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-06 02:11:20,074 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 02:11:20,074 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 02:11:20,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 02:11:20,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 02:11:20,116 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 02:11:20,118 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 02:11:21,108 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-02-06 02:11:21,109 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 02:11:21,114 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 02:11:21,114 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 02:11:21,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:11:21 BoogieIcfgContainer [2025-02-06 02:11:21,115 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 02:11:21,116 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 02:11:21,116 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 02:11:21,119 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 02:11:21,120 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 02:11:19" (1/3) ... [2025-02-06 02:11:21,120 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65879f29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:11:21, skipping insertion in model container [2025-02-06 02:11:21,120 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:19" (2/3) ... [2025-02-06 02:11:21,120 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65879f29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:11:21, skipping insertion in model container [2025-02-06 02:11:21,120 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:11:21" (3/3) ... [2025-02-06 02:11:21,121 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-63.i [2025-02-06 02:11:21,130 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 02:11:21,132 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-63.i that has 2 procedures, 32 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 02:11:21,166 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 02:11:21,173 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;@58f77ce8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 02:11:21,174 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 02:11:21,176 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 22 states have internal predecessors, (26), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 02:11:21,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-06 02:11:21,180 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 02:11:21,181 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 02:11:21,181 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 02:11:21,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 02:11:21,184 INFO L85 PathProgramCache]: Analyzing trace with hash 5506492, now seen corresponding path program 1 times [2025-02-06 02:11:21,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 02:11:21,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1740123658] [2025-02-06 02:11:21,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 02:11:21,192 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-06 02:11:21,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 02:11:21,194 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-02-06 02:11:21,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-02-06 02:11:21,245 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-06 02:11:21,388 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 02:11:21,389 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 02:11:21,389 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 02:11:21,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 02:11:21,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 02:11:21,424 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2025-02-06 02:11:21,424 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 02:11:21,425 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 02:11:21,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1740123658] [2025-02-06 02:11:21,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1740123658] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 02:11:21,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 02:11:21,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 02:11:21,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172055073] [2025-02-06 02:11:21,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 02:11:21,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 02:11:21,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 02:11:21,442 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 02:11:21,442 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 02:11:21,444 INFO L87 Difference]: Start difference. First operand has 32 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 22 states have internal predecessors, (26), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 02:11:21,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 02:11:21,455 INFO L93 Difference]: Finished difference Result 58 states and 87 transitions. [2025-02-06 02:11:21,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 02:11:21,456 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 55 [2025-02-06 02:11:21,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 02:11:21,460 INFO L225 Difference]: With dead ends: 58 [2025-02-06 02:11:21,460 INFO L226 Difference]: Without dead ends: 29 [2025-02-06 02:11:21,462 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 02:11:21,464 INFO L435 NwaCegarLoop]: 37 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, 37 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 [2025-02-06 02:11:21,468 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 02:11:21,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2025-02-06 02:11:21,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2025-02-06 02:11:21,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 02:11:21,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 37 transitions. [2025-02-06 02:11:21,496 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 37 transitions. Word has length 55 [2025-02-06 02:11:21,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 02:11:21,497 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 37 transitions. [2025-02-06 02:11:21,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 02:11:21,497 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2025-02-06 02:11:21,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-06 02:11:21,499 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 02:11:21,499 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 02:11:21,508 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-02-06 02:11:21,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-06 02:11:21,701 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 02:11:21,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 02:11:21,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1211479138, now seen corresponding path program 1 times [2025-02-06 02:11:21,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 02:11:21,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [711953005] [2025-02-06 02:11:21,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 02:11:21,702 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-06 02:11:21,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 02:11:21,708 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-02-06 02:11:21,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-02-06 02:11:21,733 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-06 02:11:21,889 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 02:11:21,890 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 02:11:21,890 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 02:11:21,896 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-06 02:11:21,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 02:12:22,779 WARN L286 SmtUtils]: Spent 24.80s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)