./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.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-14.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 0cb882cfd69f05f54da892fd87d6e6d21910f2af522148b65b2b913f00b9dfcc --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 02:08:52,124 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 02:08:52,182 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-06 02:08:52,187 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 02:08:52,187 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 02:08:52,210 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 02:08:52,211 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 02:08:52,211 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 02:08:52,211 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 02:08:52,211 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 02:08:52,212 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 02:08:52,212 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 02:08:52,213 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 02:08:52,213 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 02:08:52,213 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 02:08:52,213 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 02:08:52,213 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 02:08:52,213 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 02:08:52,213 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 02:08:52,213 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 02:08:52,213 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 02:08:52,213 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 02:08:52,214 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 02:08:52,214 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 02:08:52,214 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 02:08:52,214 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 02:08:52,214 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 02:08:52,214 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 02:08:52,214 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 02:08:52,214 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 02:08:52,214 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 02:08:52,214 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 02:08:52,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 02:08:52,215 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 02:08:52,215 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 02:08:52,215 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 02:08:52,215 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 02:08:52,215 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 02:08:52,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 02:08:52,215 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 02:08:52,215 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 02:08:52,215 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 02:08:52,216 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 02:08:52,216 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 -> 0cb882cfd69f05f54da892fd87d6e6d21910f2af522148b65b2b913f00b9dfcc [2025-02-06 02:08:52,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 02:08:52,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 02:08:52,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 02:08:52,486 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 02:08:52,486 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 02:08:52,487 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i [2025-02-06 02:08:53,727 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a5c3343ba/170b662c2ac146dc89bad0dcde5e6f71/FLAG924554477 [2025-02-06 02:08:53,969 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 02:08:53,977 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i [2025-02-06 02:08:53,988 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a5c3343ba/170b662c2ac146dc89bad0dcde5e6f71/FLAG924554477 [2025-02-06 02:08:54,004 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a5c3343ba/170b662c2ac146dc89bad0dcde5e6f71 [2025-02-06 02:08:54,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 02:08:54,010 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 02:08:54,011 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 02:08:54,011 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 02:08:54,015 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 02:08:54,016 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:08:54" (1/1) ... [2025-02-06 02:08:54,017 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ddab884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:08:54, skipping insertion in model container [2025-02-06 02:08:54,018 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:08:54" (1/1) ... [2025-02-06 02:08:54,031 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 02:08:54,133 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-14.i[915,928] [2025-02-06 02:08:54,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 02:08:54,163 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 02:08:54,170 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-14.i[915,928] [2025-02-06 02:08:54,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 02:08:54,191 INFO L204 MainTranslator]: Completed translation [2025-02-06 02:08:54,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:08:54 WrapperNode [2025-02-06 02:08:54,192 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 02:08:54,194 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 02:08:54,194 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 02:08:54,194 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 02:08:54,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:08:54" (1/1) ... [2025-02-06 02:08:54,210 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:08:54" (1/1) ... [2025-02-06 02:08:54,221 INFO L138 Inliner]: procedures = 26, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 69 [2025-02-06 02:08:54,222 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 02:08:54,222 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 02:08:54,222 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 02:08:54,222 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 02:08:54,230 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:08:54" (1/1) ... [2025-02-06 02:08:54,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:08:54" (1/1) ... [2025-02-06 02:08:54,232 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:08:54" (1/1) ... [2025-02-06 02:08:54,244 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 02:08:54,246 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:08:54" (1/1) ... [2025-02-06 02:08:54,246 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:08:54" (1/1) ... [2025-02-06 02:08:54,249 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:08:54" (1/1) ... [2025-02-06 02:08:54,252 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:08:54" (1/1) ... [2025-02-06 02:08:54,253 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:08:54" (1/1) ... [2025-02-06 02:08:54,254 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:08:54" (1/1) ... [2025-02-06 02:08:54,258 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 02:08:54,259 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 02:08:54,260 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 02:08:54,260 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 02:08:54,261 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:08:54" (1/1) ... [2025-02-06 02:08:54,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 02:08:54,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 02:08:54,290 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 02:08:54,298 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 02:08:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 02:08:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 02:08:54,318 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 02:08:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 02:08:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 02:08:54,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 02:08:54,380 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 02:08:54,381 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 02:08:54,491 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-02-06 02:08:54,492 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 02:08:54,498 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 02:08:54,499 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 02:08:54,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:08:54 BoogieIcfgContainer [2025-02-06 02:08:54,499 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 02:08:54,500 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 02:08:54,500 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 02:08:54,503 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 02:08:54,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 02:08:54" (1/3) ... [2025-02-06 02:08:54,504 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4adaf01b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:08:54, skipping insertion in model container [2025-02-06 02:08:54,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:08:54" (2/3) ... [2025-02-06 02:08:54,504 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4adaf01b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:08:54, skipping insertion in model container [2025-02-06 02:08:54,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:08:54" (3/3) ... [2025-02-06 02:08:54,505 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-14.i [2025-02-06 02:08:54,514 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 02:08:54,515 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-14.i that has 2 procedures, 31 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 02:08:54,550 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 02:08:54,559 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;@512458db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 02:08:54,560 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 02:08:54,563 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 22 states have internal predecessors, (26), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-06 02:08:54,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-02-06 02:08:54,570 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 02:08:54,570 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 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 02:08:54,571 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 02:08:54,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 02:08:54,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1194608137, now seen corresponding path program 1 times [2025-02-06 02:08:54,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 02:08:54,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928969990] [2025-02-06 02:08:54,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 02:08:54,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 02:08:54,642 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-06 02:08:54,657 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-06 02:08:54,657 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 02:08:54,657 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 02:08:54,737 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-02-06 02:08:54,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 02:08:54,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928969990] [2025-02-06 02:08:54,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928969990] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 02:08:54,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1946798290] [2025-02-06 02:08:54,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 02:08:54,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 02:08:54,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 02:08:54,741 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 02:08:54,743 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 02:08:54,795 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-06 02:08:54,829 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-06 02:08:54,831 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 02:08:54,831 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 02:08:54,833 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 02:08:54,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 02:08:54,850 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-02-06 02:08:54,851 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 02:08:54,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1946798290] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 02:08:54,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 02:08:54,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 02:08:54,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346827111] [2025-02-06 02:08:54,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 02:08:54,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 02:08:54,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 02:08:54,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 02:08:54,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 02:08:54,869 INFO L87 Difference]: Start difference. First operand has 31 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 22 states have internal predecessors, (26), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) 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, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 02:08:54,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 02:08:54,883 INFO L93 Difference]: Finished difference Result 56 states and 82 transitions. [2025-02-06 02:08:54,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 02:08:54,884 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, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 50 [2025-02-06 02:08:54,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 02:08:54,889 INFO L225 Difference]: With dead ends: 56 [2025-02-06 02:08:54,889 INFO L226 Difference]: Without dead ends: 28 [2025-02-06 02:08:54,892 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 51 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 02:08:54,894 INFO L435 NwaCegarLoop]: 35 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, 35 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 02:08:54,895 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 02:08:54,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2025-02-06 02:08:54,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2025-02-06 02:08:54,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-06 02:08:54,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2025-02-06 02:08:54,915 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 50 [2025-02-06 02:08:54,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 02:08:54,916 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2025-02-06 02:08:54,916 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, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 02:08:54,916 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2025-02-06 02:08:54,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-02-06 02:08:54,917 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 02:08:54,917 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 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 02:08:54,925 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 02:08:55,118 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 02:08:55,118 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 02:08:55,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 02:08:55,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1466818438, now seen corresponding path program 1 times [2025-02-06 02:08:55,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 02:08:55,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421903592] [2025-02-06 02:08:55,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 02:08:55,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 02:08:55,143 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-06 02:08:55,231 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-06 02:08:55,234 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 02:08:55,234 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 02:08:55,234 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 02:08:55,246 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-06 02:08:55,278 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-06 02:08:55,279 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 02:08:55,279 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 02:08:55,294 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 02:08:55,294 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-06 02:08:55,295 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-06 02:08:55,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 02:08:55,298 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-06 02:08:55,336 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 02:08:55,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 02:08:55 BoogieIcfgContainer [2025-02-06 02:08:55,342 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 02:08:55,342 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 02:08:55,342 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 02:08:55,342 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 02:08:55,343 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:08:54" (3/4) ... [2025-02-06 02:08:55,344 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-06 02:08:55,345 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 02:08:55,345 INFO L158 Benchmark]: Toolchain (without parser) took 1335.56ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 48.0MB in the end (delta: 65.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-02-06 02:08:55,349 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 123.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 02:08:55,350 INFO L158 Benchmark]: CACSL2BoogieTranslator took 182.33ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 101.3MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 02:08:55,350 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.66ms. Allocated memory is still 142.6MB. Free memory was 101.3MB in the beginning and 99.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 02:08:55,350 INFO L158 Benchmark]: Boogie Preprocessor took 35.83ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 98.7MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 02:08:55,350 INFO L158 Benchmark]: IcfgBuilder took 240.60ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 86.3MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 02:08:55,351 INFO L158 Benchmark]: TraceAbstraction took 841.24ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 48.0MB in the end (delta: 37.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-06 02:08:55,351 INFO L158 Benchmark]: Witness Printer took 2.49ms. Allocated memory is still 142.6MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 02:08:55,352 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 123.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 182.33ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 101.3MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.66ms. Allocated memory is still 142.6MB. Free memory was 101.3MB in the beginning and 99.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.83ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 98.7MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 240.60ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 86.3MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 841.24ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 48.0MB in the end (delta: 37.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 2.49ms. Allocated memory is still 142.6MB. Free memory is still 48.0MB. 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 39, overapproximation of someBinaryDOUBLEComparisonOperation at line 48, overapproximation of someBinaryDOUBLEComparisonOperation at line 46, overapproximation of someBinaryDOUBLEComparisonOperation at line 44, overapproximation of someBinaryDOUBLEComparisonOperation at line 59. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 16.75; [L23] double var_1_5 = 2.05; [L24] double var_1_6 = 9.375; [L25] double var_1_7 = 64.4; [L26] double var_1_8 = 10000.25; [L27] signed short int var_1_9 = -2; [L28] signed short int var_1_10 = 0; [L29] unsigned short int var_1_11 = 4; [L30] unsigned short int var_1_12 = 128; VAL [isInitial=0, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_5=41/20, var_1_6=75/8, var_1_7=322/5, var_1_8=40001/4, var_1_9=-2] [L63] isInitial = 1 [L64] FCALL initially() [L65] COND TRUE 1 [L66] FCALL updateLastVariables() [L67] CALL updateVariables() [L43] var_1_5 = __VERIFIER_nondet_double() [L44] CALL assume_abort_if_not((var_1_5 >= -230584.3009213691390e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 2305843.009213691390e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_6=75/8, var_1_7=322/5, var_1_8=40001/4, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_6=75/8, var_1_7=322/5, var_1_8=40001/4, var_1_9=-2] [L44] RET assume_abort_if_not((var_1_5 >= -230584.3009213691390e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 2305843.009213691390e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_6=75/8, var_1_7=322/5, var_1_8=40001/4, var_1_9=-2] [L45] var_1_6 = __VERIFIER_nondet_double() [L46] CALL assume_abort_if_not((var_1_6 >= -230584.3009213691390e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 2305843.009213691390e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_7=322/5, var_1_8=40001/4, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_7=322/5, var_1_8=40001/4, var_1_9=-2] [L46] RET assume_abort_if_not((var_1_6 >= -230584.3009213691390e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 2305843.009213691390e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_7=322/5, var_1_8=40001/4, var_1_9=-2] [L47] var_1_7 = __VERIFIER_nondet_double() [L48] CALL assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L48] RET assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L49] var_1_10 = __VERIFIER_nondet_short() [L50] CALL assume_abort_if_not(var_1_10 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L50] RET assume_abort_if_not(var_1_10 >= -32767) VAL [isInitial=1, var_1_10=50, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L51] CALL assume_abort_if_not(var_1_10 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L51] RET assume_abort_if_not(var_1_10 <= 32766) VAL [isInitial=1, var_1_10=50, var_1_11=4, var_1_12=128, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L52] var_1_12 = __VERIFIER_nondet_ushort() [L53] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=4, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=4, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L53] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=50, var_1_11=4, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L54] CALL assume_abort_if_not(var_1_12 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=4, var_1_12=65534, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=50, var_1_11=4, var_1_12=65534, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L54] RET assume_abort_if_not(var_1_12 <= 65534) VAL [isInitial=1, var_1_10=50, var_1_11=4, var_1_12=65534, var_1_1=67/4, var_1_8=40001/4, var_1_9=-2] [L67] RET updateVariables() [L68] CALL step() [L34] var_1_8 = var_1_5 [L35] var_1_9 = var_1_10 [L36] var_1_11 = var_1_12 [L37] signed short int stepLocal_0 = var_1_9; VAL [isInitial=1, stepLocal_0=50, var_1_10=50, var_1_11=65534, var_1_12=65534, var_1_1=67/4, var_1_5=65539, var_1_8=65539, var_1_9=50] [L38] COND TRUE stepLocal_0 <= (var_1_11 + ((((50) > (var_1_9)) ? (50) : (var_1_9)))) [L39] var_1_1 = ((var_1_5 + var_1_6) + var_1_7) VAL [isInitial=1, var_1_10=50, var_1_11=65534, var_1_12=65534, var_1_5=65539, var_1_8=65539, var_1_9=50] [L68] RET step() [L69] CALL, EXPR property() [L59-L60] return ((((var_1_9 <= (var_1_11 + ((((50) > (var_1_9)) ? (50) : (var_1_9))))) ? (var_1_1 == ((double) ((var_1_5 + var_1_6) + var_1_7))) : 1) && (var_1_8 == ((double) var_1_5))) && (var_1_9 == ((signed short int) var_1_10))) && (var_1_11 == ((unsigned short int) var_1_12)) ; VAL [\result=0, isInitial=1, var_1_10=50, var_1_11=65534, var_1_12=65534, var_1_5=65539, var_1_8=65539, var_1_9=50] [L69] RET, EXPR property() [L69] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=50, var_1_11=65534, var_1_12=65534, var_1_5=65539, var_1_8=65539, var_1_9=50] [L19] reach_error() VAL [isInitial=1, var_1_10=50, var_1_11=65534, var_1_12=65534, var_1_5=65539, var_1_8=65539, var_1_9=50] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 7, 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, 35 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, 35 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 98 ConstructedInterpolants, 0 QuantifiedInterpolants, 98 SizeOfPredicates, 0 NumberOfNonLiveVariables, 136 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 156/168 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 02:08:55,372 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-14.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 0cb882cfd69f05f54da892fd87d6e6d21910f2af522148b65b2b913f00b9dfcc --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 02:08:57,512 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 02:08:57,587 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-06 02:08:57,593 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 02:08:57,593 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 02:08:57,622 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 02:08:57,624 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 02:08:57,625 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 02:08:57,625 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 02:08:57,625 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 02:08:57,625 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 02:08:57,626 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 02:08:57,626 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 02:08:57,627 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 02:08:57,627 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 02:08:57,627 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 02:08:57,627 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 02:08:57,627 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 02:08:57,627 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 02:08:57,627 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 02:08:57,627 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 02:08:57,627 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 02:08:57,627 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 02:08:57,628 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-06 02:08:57,628 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-06 02:08:57,628 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-06 02:08:57,628 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 02:08:57,628 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 02:08:57,628 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 02:08:57,628 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 02:08:57,628 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 02:08:57,628 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 02:08:57,629 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 02:08:57,629 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 02:08:57,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 02:08:57,629 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 02:08:57,629 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 02:08:57,629 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 02:08:57,629 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 02:08:57,629 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-06 02:08:57,629 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-06 02:08:57,629 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 02:08:57,629 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 02:08:57,629 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 02:08:57,630 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 02:08:57,630 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 -> 0cb882cfd69f05f54da892fd87d6e6d21910f2af522148b65b2b913f00b9dfcc [2025-02-06 02:08:57,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 02:08:57,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 02:08:57,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 02:08:57,920 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 02:08:57,920 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 02:08:57,922 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i [2025-02-06 02:08:59,151 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ab6223791/502732912f724a00973e1eecd78bb6c7/FLAG5125f6698 [2025-02-06 02:08:59,318 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 02:08:59,318 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-14.i [2025-02-06 02:08:59,324 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ab6223791/502732912f724a00973e1eecd78bb6c7/FLAG5125f6698 [2025-02-06 02:08:59,338 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ab6223791/502732912f724a00973e1eecd78bb6c7 [2025-02-06 02:08:59,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 02:08:59,342 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 02:08:59,344 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 02:08:59,344 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 02:08:59,347 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 02:08:59,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:08:59" (1/1) ... [2025-02-06 02:08:59,348 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d790076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:08:59, skipping insertion in model container [2025-02-06 02:08:59,350 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:08:59" (1/1) ... [2025-02-06 02:08:59,361 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 02:08:59,459 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-14.i[915,928] [2025-02-06 02:08:59,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 02:08:59,499 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 02:08:59,511 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-14.i[915,928] [2025-02-06 02:08:59,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 02:08:59,539 INFO L204 MainTranslator]: Completed translation [2025-02-06 02:08:59,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:08:59 WrapperNode [2025-02-06 02:08:59,540 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 02:08:59,541 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 02:08:59,541 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 02:08:59,542 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 02:08:59,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:08:59" (1/1) ... [2025-02-06 02:08:59,557 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:08:59" (1/1) ... [2025-02-06 02:08:59,576 INFO L138 Inliner]: procedures = 27, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 68 [2025-02-06 02:08:59,576 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 02:08:59,576 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 02:08:59,577 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 02:08:59,577 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 02:08:59,582 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:08:59" (1/1) ... [2025-02-06 02:08:59,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:08:59" (1/1) ... [2025-02-06 02:08:59,584 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:08:59" (1/1) ... [2025-02-06 02:08:59,595 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 02:08:59,595 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:08:59" (1/1) ... [2025-02-06 02:08:59,596 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:08:59" (1/1) ... [2025-02-06 02:08:59,605 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:08:59" (1/1) ... [2025-02-06 02:08:59,605 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:08:59" (1/1) ... [2025-02-06 02:08:59,606 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:08:59" (1/1) ... [2025-02-06 02:08:59,607 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:08:59" (1/1) ... [2025-02-06 02:08:59,612 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 02:08:59,613 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 02:08:59,613 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 02:08:59,613 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 02:08:59,614 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:08:59" (1/1) ... [2025-02-06 02:08:59,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 02:08:59,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 02:08:59,640 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 02:08:59,647 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 02:08:59,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 02:08:59,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-06 02:08:59,664 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 02:08:59,664 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 02:08:59,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 02:08:59,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 02:08:59,719 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 02:08:59,721 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 02:09:01,115 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-02-06 02:09:01,115 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 02:09:01,121 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 02:09:01,121 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 02:09:01,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:09:01 BoogieIcfgContainer [2025-02-06 02:09:01,121 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 02:09:01,123 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 02:09:01,123 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 02:09:01,126 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 02:09:01,126 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 02:08:59" (1/3) ... [2025-02-06 02:09:01,126 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a36fd4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:09:01, skipping insertion in model container [2025-02-06 02:09:01,126 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:08:59" (2/3) ... [2025-02-06 02:09:01,126 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a36fd4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:09:01, skipping insertion in model container [2025-02-06 02:09:01,126 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:09:01" (3/3) ... [2025-02-06 02:09:01,127 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-14.i [2025-02-06 02:09:01,136 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 02:09:01,137 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-14.i that has 2 procedures, 31 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 02:09:01,168 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 02:09:01,176 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;@5a51ac57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 02:09:01,176 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 02:09:01,179 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 22 states have internal predecessors, (26), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-06 02:09:01,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-02-06 02:09:01,184 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 02:09:01,185 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 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 02:09:01,185 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 02:09:01,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 02:09:01,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1194608137, now seen corresponding path program 1 times [2025-02-06 02:09:01,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 02:09:01,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1808641180] [2025-02-06 02:09:01,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 02:09:01,196 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 02:09:01,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 02:09:01,199 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 02:09:01,202 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 02:09:01,258 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-06 02:09:01,410 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-06 02:09:01,411 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 02:09:01,411 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 02:09:01,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 02:09:01,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 02:09:01,445 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 02:09:01,445 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 02:09:01,446 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 02:09:01,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1808641180] [2025-02-06 02:09:01,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1808641180] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 02:09:01,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 02:09:01,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 02:09:01,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120947248] [2025-02-06 02:09:01,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 02:09:01,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 02:09:01,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 02:09:01,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 02:09:01,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 02:09:01,473 INFO L87 Difference]: Start difference. First operand has 31 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 22 states have internal predecessors, (26), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) 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, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 02:09:01,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 02:09:01,483 INFO L93 Difference]: Finished difference Result 56 states and 82 transitions. [2025-02-06 02:09:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 02:09:01,484 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, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 50 [2025-02-06 02:09:01,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 02:09:01,487 INFO L225 Difference]: With dead ends: 56 [2025-02-06 02:09:01,487 INFO L226 Difference]: Without dead ends: 28 [2025-02-06 02:09:01,489 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 49 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 02:09:01,491 INFO L435 NwaCegarLoop]: 35 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, 35 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 02:09:01,491 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 02:09:01,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2025-02-06 02:09:01,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2025-02-06 02:09:01,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-06 02:09:01,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2025-02-06 02:09:01,512 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 50 [2025-02-06 02:09:01,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 02:09:01,512 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2025-02-06 02:09:01,512 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, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 02:09:01,512 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2025-02-06 02:09:01,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-02-06 02:09:01,513 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 02:09:01,514 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 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 02:09:01,521 INFO L540 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)] Forceful destruction successful, exit code 0 [2025-02-06 02:09:01,718 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 02:09:01,718 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 02:09:01,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 02:09:01,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1466818438, now seen corresponding path program 1 times [2025-02-06 02:09:01,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 02:09:01,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1996998215] [2025-02-06 02:09:01,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 02:09:01,720 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 02:09:01,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 02:09:01,722 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 02:09:01,724 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 02:09:01,749 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-06 02:09:01,903 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-06 02:09:01,903 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 02:09:01,903 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 02:09:01,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-06 02:09:01,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 02:09:49,780 WARN L286 SmtUtils]: Spent 14.10s on a formula simplification that was a NOOP. DAG size: 55 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-02-06 02:09:56,583 WARN L286 SmtUtils]: Spent 5.14s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-02-06 02:10:05,735 WARN L286 SmtUtils]: Spent 7.75s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-02-06 02:10:23,590 WARN L286 SmtUtils]: Spent 7.31s on a formula simplification. DAG size of input: 7 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-02-06 02:10:30,823 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 24 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 02:10:30,823 INFO L312 TraceCheckSpWp]: Computing backward predicates...