./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-80.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-80.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3b9255af2b89e5121a8e3b923a80f84c6451b8aee72c6e55e4e1516263a2f75b --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 04:44:36,236 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 04:44:36,287 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-17 04:44:36,291 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 04:44:36,291 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 04:44:36,307 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 04:44:36,308 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 04:44:36,308 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 04:44:36,308 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 04:44:36,308 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 04:44:36,308 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 04:44:36,308 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 04:44:36,308 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 04:44:36,308 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 04:44:36,308 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 04:44:36,309 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 04:44:36,309 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 04:44:36,309 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 04:44:36,309 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 04:44:36,309 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 04:44:36,309 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 04:44:36,309 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 04:44:36,309 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 04:44:36,309 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 04:44:36,309 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 04:44:36,309 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 04:44:36,309 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 04:44:36,309 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 04:44:36,309 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 04:44:36,309 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 04:44:36,309 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 04:44:36,309 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 04:44:36,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 04:44:36,309 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 04:44:36,310 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 04:44:36,310 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 04:44:36,310 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 04:44:36,310 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 04:44:36,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 04:44:36,310 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 04:44:36,310 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 04:44:36,310 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 04:44:36,310 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 04:44:36,310 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b9255af2b89e5121a8e3b923a80f84c6451b8aee72c6e55e4e1516263a2f75b [2025-03-17 04:44:36,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 04:44:36,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 04:44:36,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 04:44:36,547 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 04:44:36,547 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 04:44:36,548 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-80.i [2025-03-17 04:44:37,711 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5c388349/30fdfe2c53ea4083b2391926efdc0c63/FLAG503aab7e8 [2025-03-17 04:44:37,936 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 04:44:37,936 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-80.i [2025-03-17 04:44:37,942 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5c388349/30fdfe2c53ea4083b2391926efdc0c63/FLAG503aab7e8 [2025-03-17 04:44:37,953 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5c388349/30fdfe2c53ea4083b2391926efdc0c63 [2025-03-17 04:44:37,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 04:44:37,955 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 04:44:37,956 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 04:44:37,956 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 04:44:37,960 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 04:44:37,960 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 04:44:37" (1/1) ... [2025-03-17 04:44:37,960 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364ead45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:44:37, skipping insertion in model container [2025-03-17 04:44:37,961 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 04:44:37" (1/1) ... [2025-03-17 04:44:37,977 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 04:44:38,079 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-80.i[915,928] [2025-03-17 04:44:38,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 04:44:38,134 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 04:44:38,142 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-80.i[915,928] [2025-03-17 04:44:38,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 04:44:38,179 INFO L204 MainTranslator]: Completed translation [2025-03-17 04:44:38,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:44:38 WrapperNode [2025-03-17 04:44:38,180 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 04:44:38,181 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 04:44:38,181 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 04:44:38,181 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 04:44:38,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:44:38" (1/1) ... [2025-03-17 04:44:38,193 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:44:38" (1/1) ... [2025-03-17 04:44:38,214 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 126 [2025-03-17 04:44:38,215 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 04:44:38,215 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 04:44:38,216 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 04:44:38,216 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 04:44:38,222 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:44:38" (1/1) ... [2025-03-17 04:44:38,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:44:38" (1/1) ... [2025-03-17 04:44:38,228 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:44:38" (1/1) ... [2025-03-17 04:44:38,240 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-17 04:44:38,243 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:44:38" (1/1) ... [2025-03-17 04:44:38,244 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:44:38" (1/1) ... [2025-03-17 04:44:38,250 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:44:38" (1/1) ... [2025-03-17 04:44:38,251 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:44:38" (1/1) ... [2025-03-17 04:44:38,251 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:44:38" (1/1) ... [2025-03-17 04:44:38,252 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:44:38" (1/1) ... [2025-03-17 04:44:38,253 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 04:44:38,254 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 04:44:38,254 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 04:44:38,254 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 04:44:38,255 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:44:38" (1/1) ... [2025-03-17 04:44:38,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 04:44:38,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 04:44:38,279 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 04:44:38,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 04:44:38,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 04:44:38,297 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 04:44:38,297 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 04:44:38,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 04:44:38,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 04:44:38,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 04:44:38,344 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 04:44:38,345 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 04:44:38,492 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-03-17 04:44:38,492 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 04:44:38,500 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 04:44:38,502 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 04:44:38,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 04:44:38 BoogieIcfgContainer [2025-03-17 04:44:38,503 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 04:44:38,505 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 04:44:38,505 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 04:44:38,508 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 04:44:38,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 04:44:37" (1/3) ... [2025-03-17 04:44:38,509 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@417ddd36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 04:44:38, skipping insertion in model container [2025-03-17 04:44:38,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:44:38" (2/3) ... [2025-03-17 04:44:38,510 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@417ddd36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 04:44:38, skipping insertion in model container [2025-03-17 04:44:38,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 04:44:38" (3/3) ... [2025-03-17 04:44:38,511 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-80.i [2025-03-17 04:44:38,521 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 04:44:38,522 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-80.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-17 04:44:38,568 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 04:44:38,578 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;@7996dcfa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 04:44:38,580 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 04:44:38,585 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 04:44:38,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-03-17 04:44:38,595 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 04:44:38,595 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 04:44:38,596 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 04:44:38,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 04:44:38,601 INFO L85 PathProgramCache]: Analyzing trace with hash -708129643, now seen corresponding path program 1 times [2025-03-17 04:44:38,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 04:44:38,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984583315] [2025-03-17 04:44:38,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 04:44:38,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 04:44:38,677 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-03-17 04:44:38,692 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-03-17 04:44:38,692 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 04:44:38,692 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 04:44:38,816 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2025-03-17 04:44:38,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 04:44:38,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984583315] [2025-03-17 04:44:38,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984583315] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 04:44:38,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1514331746] [2025-03-17 04:44:38,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 04:44:38,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 04:44:38,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 04:44:38,821 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 04:44:38,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 04:44:38,896 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-03-17 04:44:38,962 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-03-17 04:44:38,962 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 04:44:38,962 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 04:44:38,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 04:44:38,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 04:44:38,996 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2025-03-17 04:44:38,997 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 04:44:38,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1514331746] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 04:44:38,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 04:44:38,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 04:44:39,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896253821] [2025-03-17 04:44:39,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 04:44:39,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 04:44:39,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 04:44:39,016 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 04:44:39,017 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 04:44:39,018 INFO L87 Difference]: Start difference. First operand has 54 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-17 04:44:39,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 04:44:39,039 INFO L93 Difference]: Finished difference Result 105 states and 186 transitions. [2025-03-17 04:44:39,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 04:44:39,041 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 131 [2025-03-17 04:44:39,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 04:44:39,048 INFO L225 Difference]: With dead ends: 105 [2025-03-17 04:44:39,048 INFO L226 Difference]: Without dead ends: 52 [2025-03-17 04:44:39,051 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 04:44:39,053 INFO L435 NwaCegarLoop]: 79 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, 79 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 04:44:39,056 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 04:44:39,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2025-03-17 04:44:39,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2025-03-17 04:44:39,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 28 states have (on average 1.25) internal successors, (35), 28 states have internal predecessors, (35), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 04:44:39,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 79 transitions. [2025-03-17 04:44:39,100 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 79 transitions. Word has length 131 [2025-03-17 04:44:39,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 04:44:39,100 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 79 transitions. [2025-03-17 04:44:39,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-17 04:44:39,100 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 79 transitions. [2025-03-17 04:44:39,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-03-17 04:44:39,102 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 04:44:39,102 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 04:44:39,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-17 04:44:39,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-17 04:44:39,303 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 04:44:39,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 04:44:39,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1295607145, now seen corresponding path program 1 times [2025-03-17 04:44:39,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 04:44:39,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623849527] [2025-03-17 04:44:39,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 04:44:39,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 04:44:39,324 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-03-17 04:44:39,426 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-03-17 04:44:39,426 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 04:44:39,426 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 04:44:39,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1434701612] [2025-03-17 04:44:39,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 04:44:39,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 04:44:39,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 04:44:39,439 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 04:44:39,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 04:44:39,494 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-03-17 04:44:39,540 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-03-17 04:44:39,540 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 04:44:39,541 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 04:44:39,541 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 04:44:39,555 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-03-17 04:44:39,573 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-03-17 04:44:39,573 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 04:44:39,573 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 04:44:39,614 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 04:44:39,614 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-17 04:44:39,615 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-17 04:44:39,623 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-17 04:44:39,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-17 04:44:39,819 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-17 04:44:39,881 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 04:44:39,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 04:44:39 BoogieIcfgContainer [2025-03-17 04:44:39,883 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 04:44:39,884 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 04:44:39,884 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 04:44:39,884 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 04:44:39,884 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 04:44:38" (3/4) ... [2025-03-17 04:44:39,886 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-17 04:44:39,887 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 04:44:39,888 INFO L158 Benchmark]: Toolchain (without parser) took 1932.42ms. Allocated memory is still 142.6MB. Free memory was 113.8MB in the beginning and 76.1MB in the end (delta: 37.6MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2025-03-17 04:44:39,888 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 201.3MB. Free memory is still 126.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 04:44:39,889 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.09ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 100.9MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 04:44:39,890 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.89ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 99.3MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 04:44:39,890 INFO L158 Benchmark]: Boogie Preprocessor took 37.97ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 97.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 04:44:39,891 INFO L158 Benchmark]: IcfgBuilder took 248.98ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 81.8MB in the end (delta: 15.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 04:44:39,891 INFO L158 Benchmark]: TraceAbstraction took 1377.70ms. Allocated memory is still 142.6MB. Free memory was 81.0MB in the beginning and 76.3MB in the end (delta: 4.7MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2025-03-17 04:44:39,891 INFO L158 Benchmark]: Witness Printer took 3.57ms. Allocated memory is still 142.6MB. Free memory was 76.3MB in the beginning and 76.1MB in the end (delta: 170.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 04:44:39,892 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 201.3MB. Free memory is still 126.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.09ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 100.9MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.89ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 99.3MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.97ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 97.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 248.98ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 81.8MB in the end (delta: 15.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1377.70ms. Allocated memory is still 142.6MB. Free memory was 81.0MB in the beginning and 76.3MB in the end (delta: 4.7MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Witness Printer took 3.57ms. Allocated memory is still 142.6MB. Free memory was 76.3MB in the beginning and 76.1MB in the end (delta: 170.7kB). 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 someBinaryFLOATComparisonOperation at line 103, overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryDOUBLEComparisonOperation at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 103. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 256; [L23] signed long int var_1_2 = -128; [L24] signed long int var_1_3 = 8; [L25] signed long int var_1_4 = 0; [L26] signed long int var_1_5 = 8; [L27] signed long int var_1_6 = 10; [L28] signed long int var_1_7 = 5; [L29] signed long int var_1_8 = 128; [L30] signed short int var_1_9 = 128; [L31] float var_1_10 = 64.4; [L32] float var_1_11 = 10.25; [L33] double var_1_12 = 63.175; [L34] unsigned char var_1_13 = 1; [L35] double var_1_14 = 128.5; [L36] double var_1_15 = 128.8; [L107] isInitial = 1 [L108] FCALL initially() [L109] COND TRUE 1 [L110] FCALL updateLastVariables() [L111] CALL updateVariables() [L65] var_1_2 = __VERIFIER_nondet_long() [L66] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L66] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L67] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L67] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L68] var_1_3 = __VERIFIER_nondet_long() [L69] CALL assume_abort_if_not(var_1_3 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L69] RET assume_abort_if_not(var_1_3 >= -1) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L70] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L70] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L71] var_1_4 = __VERIFIER_nondet_long() [L72] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L72] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L73] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L73] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L74] var_1_5 = __VERIFIER_nondet_long() [L75] CALL assume_abort_if_not(var_1_5 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L75] RET assume_abort_if_not(var_1_5 >= -1) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L76] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L76] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L77] var_1_6 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=5, var_1_8=128, var_1_9=128] [L78] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=5, var_1_8=128, var_1_9=128] [L79] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=5, var_1_8=128, var_1_9=128] [L79] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=5, var_1_8=128, var_1_9=128] [L80] var_1_7 = __VERIFIER_nondet_long() [L81] CALL assume_abort_if_not(var_1_7 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=128, var_1_9=128] [L81] RET assume_abort_if_not(var_1_7 >= -2147483648) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=128, var_1_9=128] [L82] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=128, var_1_9=128] [L82] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=128, var_1_9=128] [L83] var_1_8 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=128] [L84] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=128] [L85] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=128] [L85] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=128] [L86] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=128] [L86] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=128] [L87] var_1_9 = __VERIFIER_nondet_short() [L88] CALL assume_abort_if_not(var_1_9 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=2] [L88] RET assume_abort_if_not(var_1_9 >= -32767) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=2] [L89] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=2] [L89] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=2] [L90] var_1_11 = __VERIFIER_nondet_float() [L91] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=2] [L91] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=2] [L92] var_1_13 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=2] [L93] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=2] [L94] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=2] [L94] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=2] [L95] var_1_14 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=2] [L96] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=2] [L97] var_1_15 = __VERIFIER_nondet_double() [L98] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=2] [L98] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=2] [L111] RET updateVariables() [L112] CALL step() [L40] COND TRUE (((((var_1_3 - var_1_4)) > (var_1_2)) ? ((var_1_3 - var_1_4)) : (var_1_2))) <= (((((var_1_5 - var_1_6)) < ((var_1_7 % var_1_8))) ? ((var_1_5 - var_1_6)) : ((var_1_7 % var_1_8)))) [L41] var_1_1 = var_1_9 VAL [isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_1=2, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=2] [L43] COND FALSE !(var_1_8 > var_1_1) VAL [isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_1=2, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=2] [L48] signed long int stepLocal_1 = var_1_5; [L49] signed short int stepLocal_0 = var_1_1; VAL [isInitial=1, stepLocal_0=2, stepLocal_1=0, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_1=2, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=2] [L50] COND FALSE !(stepLocal_0 <= var_1_8) [L61] var_1_12 = var_1_11 VAL [isInitial=1, stepLocal_1=0, var_1_10=322/5, var_1_11=2, var_1_12=2, var_1_13=1, var_1_1=2, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=2] [L112] RET step() [L113] CALL, EXPR property() [L103-L104] return ((((((((var_1_3 - var_1_4)) > (var_1_2)) ? ((var_1_3 - var_1_4)) : (var_1_2))) <= (((((var_1_5 - var_1_6)) < ((var_1_7 % var_1_8))) ? ((var_1_5 - var_1_6)) : ((var_1_7 % var_1_8))))) ? (var_1_1 == ((signed short int) var_1_9)) : 1) && ((var_1_8 > var_1_1) ? ((var_1_1 == var_1_4) ? (var_1_10 == ((float) var_1_11)) : 1) : 1)) && ((var_1_1 <= var_1_8) ? ((var_1_5 != -64) ? (var_1_13 ? (var_1_12 == ((double) ((((var_1_14 - var_1_15) < 0 ) ? -(var_1_14 - var_1_15) : (var_1_14 - var_1_15))))) : (var_1_12 == ((double) (var_1_15 - var_1_14)))) : (var_1_12 == ((double) 32.8))) : (var_1_12 == ((double) var_1_11))) ; [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=322/5, var_1_11=2, var_1_12=2, var_1_13=1, var_1_1=2, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=2] [L19] reach_error() VAL [isInitial=1, var_1_10=322/5, var_1_11=2, var_1_12=2, var_1_13=1, var_1_1=2, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 105 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 79 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, 79 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 132 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 524 NumberOfCodeBlocks, 524 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 260 ConstructedInterpolants, 0 QuantifiedInterpolants, 260 SizeOfPredicates, 0 NumberOfNonLiveVariables, 296 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1806/1848 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 [2025-03-17 04:44:39,908 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-80.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3b9255af2b89e5121a8e3b923a80f84c6451b8aee72c6e55e4e1516263a2f75b --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 04:44:41,837 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 04:44:41,914 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-17 04:44:41,919 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 04:44:41,919 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 04:44:41,944 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 04:44:41,945 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 04:44:41,945 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 04:44:41,946 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 04:44:41,946 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 04:44:41,947 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 04:44:41,947 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 04:44:41,947 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 04:44:41,947 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 04:44:41,948 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 04:44:41,948 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 04:44:41,948 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 04:44:41,948 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 04:44:41,948 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 04:44:41,948 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 04:44:41,949 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 04:44:41,949 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 04:44:41,949 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 04:44:41,949 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-17 04:44:41,949 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-17 04:44:41,949 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-17 04:44:41,949 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 04:44:41,949 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 04:44:41,949 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 04:44:41,949 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 04:44:41,950 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 04:44:41,950 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 04:44:41,950 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 04:44:41,950 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 04:44:41,950 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 04:44:41,950 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 04:44:41,950 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 04:44:41,950 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 04:44:41,950 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 04:44:41,950 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-17 04:44:41,950 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-17 04:44:41,950 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 04:44:41,950 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 04:44:41,950 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 04:44:41,950 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 04:44:41,951 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b9255af2b89e5121a8e3b923a80f84c6451b8aee72c6e55e4e1516263a2f75b [2025-03-17 04:44:42,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 04:44:42,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 04:44:42,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 04:44:42,211 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 04:44:42,211 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 04:44:42,215 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-80.i [2025-03-17 04:44:43,473 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56c0f3bbe/c7ef2ed03cf843d1ae3b30617584be8a/FLAGdc092a09d [2025-03-17 04:44:43,673 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 04:44:43,674 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-80.i [2025-03-17 04:44:43,682 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56c0f3bbe/c7ef2ed03cf843d1ae3b30617584be8a/FLAGdc092a09d [2025-03-17 04:44:43,698 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56c0f3bbe/c7ef2ed03cf843d1ae3b30617584be8a [2025-03-17 04:44:43,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 04:44:43,702 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 04:44:43,703 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 04:44:43,703 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 04:44:43,707 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 04:44:43,707 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 04:44:43" (1/1) ... [2025-03-17 04:44:43,708 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17690edc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:44:43, skipping insertion in model container [2025-03-17 04:44:43,708 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 04:44:43" (1/1) ... [2025-03-17 04:44:43,720 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 04:44:43,833 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-80.i[915,928] [2025-03-17 04:44:43,874 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 04:44:43,893 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 04:44:43,902 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-80.i[915,928] [2025-03-17 04:44:43,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 04:44:43,934 INFO L204 MainTranslator]: Completed translation [2025-03-17 04:44:43,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:44:43 WrapperNode [2025-03-17 04:44:43,935 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 04:44:43,936 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 04:44:43,936 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 04:44:43,936 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 04:44:43,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:44:43" (1/1) ... [2025-03-17 04:44:43,949 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:44:43" (1/1) ... [2025-03-17 04:44:43,969 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2025-03-17 04:44:43,969 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 04:44:43,971 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 04:44:43,971 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 04:44:43,971 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 04:44:43,976 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:44:43" (1/1) ... [2025-03-17 04:44:43,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:44:43" (1/1) ... [2025-03-17 04:44:43,978 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:44:43" (1/1) ... [2025-03-17 04:44:43,986 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-17 04:44:43,986 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:44:43" (1/1) ... [2025-03-17 04:44:43,986 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:44:43" (1/1) ... [2025-03-17 04:44:43,991 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:44:43" (1/1) ... [2025-03-17 04:44:43,992 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:44:43" (1/1) ... [2025-03-17 04:44:43,997 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:44:43" (1/1) ... [2025-03-17 04:44:44,000 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:44:43" (1/1) ... [2025-03-17 04:44:44,002 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 04:44:44,003 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 04:44:44,003 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 04:44:44,003 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 04:44:44,004 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:44:43" (1/1) ... [2025-03-17 04:44:44,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 04:44:44,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 04:44:44,027 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 04:44:44,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 04:44:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 04:44:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-17 04:44:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 04:44:44,049 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 04:44:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 04:44:44,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 04:44:44,104 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 04:44:44,105 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 04:44:45,431 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-03-17 04:44:45,431 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 04:44:45,438 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 04:44:45,438 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 04:44:45,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 04:44:45 BoogieIcfgContainer [2025-03-17 04:44:45,439 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 04:44:45,441 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 04:44:45,441 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 04:44:45,444 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 04:44:45,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 04:44:43" (1/3) ... [2025-03-17 04:44:45,444 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a5ff04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 04:44:45, skipping insertion in model container [2025-03-17 04:44:45,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 04:44:43" (2/3) ... [2025-03-17 04:44:45,444 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a5ff04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 04:44:45, skipping insertion in model container [2025-03-17 04:44:45,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 04:44:45" (3/3) ... [2025-03-17 04:44:45,445 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-80.i [2025-03-17 04:44:45,465 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 04:44:45,466 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-80.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-17 04:44:45,506 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 04:44:45,516 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;@654c8f05, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 04:44:45,518 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 04:44:45,521 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 04:44:45,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-03-17 04:44:45,531 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 04:44:45,532 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 04:44:45,532 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 04:44:45,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 04:44:45,535 INFO L85 PathProgramCache]: Analyzing trace with hash -708129643, now seen corresponding path program 1 times [2025-03-17 04:44:45,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 04:44:45,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1340314612] [2025-03-17 04:44:45,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 04:44:45,545 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 [2025-03-17 04:44:45,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-17 04:44:45,548 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/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) [2025-03-17 04:44:45,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/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 [2025-03-17 04:44:45,612 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-03-17 04:44:45,813 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-03-17 04:44:45,814 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 04:44:45,814 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 04:44:45,829 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 04:44:45,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 04:44:45,872 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2025-03-17 04:44:45,872 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 04:44:45,873 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-17 04:44:45,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1340314612] [2025-03-17 04:44:45,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1340314612] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 04:44:45,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 04:44:45,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 04:44:45,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075199547] [2025-03-17 04:44:45,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 04:44:45,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 04:44:45,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-17 04:44:45,908 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 04:44:45,909 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 04:44:45,911 INFO L87 Difference]: Start difference. First operand has 54 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-17 04:44:45,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 04:44:45,932 INFO L93 Difference]: Finished difference Result 105 states and 186 transitions. [2025-03-17 04:44:45,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 04:44:45,934 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 131 [2025-03-17 04:44:45,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 04:44:45,939 INFO L225 Difference]: With dead ends: 105 [2025-03-17 04:44:45,939 INFO L226 Difference]: Without dead ends: 52 [2025-03-17 04:44:45,942 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 04:44:45,945 INFO L435 NwaCegarLoop]: 79 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, 79 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 04:44:45,947 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 04:44:45,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2025-03-17 04:44:45,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2025-03-17 04:44:45,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 28 states have (on average 1.25) internal successors, (35), 28 states have internal predecessors, (35), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 04:44:45,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 79 transitions. [2025-03-17 04:44:45,982 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 79 transitions. Word has length 131 [2025-03-17 04:44:45,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 04:44:45,983 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 79 transitions. [2025-03-17 04:44:45,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-17 04:44:45,984 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 79 transitions. [2025-03-17 04:44:45,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-03-17 04:44:45,989 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 04:44:45,990 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 04:44:46,002 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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 [2025-03-17 04:44:46,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/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 [2025-03-17 04:44:46,194 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 04:44:46,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 04:44:46,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1295607145, now seen corresponding path program 1 times [2025-03-17 04:44:46,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 04:44:46,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2017447242] [2025-03-17 04:44:46,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 04:44:46,196 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 [2025-03-17 04:44:46,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-17 04:44:46,199 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/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) [2025-03-17 04:44:46,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/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 [2025-03-17 04:44:46,261 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-03-17 04:44:46,488 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-03-17 04:44:46,489 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 04:44:46,489 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 04:44:46,502 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-17 04:44:46,510 INFO L279 TraceCheckSpWp]: Computing forward predicates...