./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-11.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-11.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 2c04fa9e35f4863ffa3e38fc942000589ae498f8db4e626f7ee6fb3d8c4e793d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 08:51:51,187 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 08:51:51,265 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 08:51:51,271 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 08:51:51,275 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 08:51:51,305 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 08:51:51,306 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 08:51:51,306 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 08:51:51,306 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 08:51:51,307 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 08:51:51,308 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 08:51:51,309 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 08:51:51,310 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 08:51:51,314 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 08:51:51,314 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 08:51:51,314 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 08:51:51,315 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 08:51:51,315 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 08:51:51,315 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 08:51:51,315 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 08:51:51,316 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 08:51:51,316 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 08:51:51,316 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 08:51:51,318 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 08:51:51,318 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 08:51:51,318 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 08:51:51,318 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 08:51:51,319 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 08:51:51,319 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 08:51:51,319 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 08:51:51,319 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 08:51:51,319 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 08:51:51,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:51:51,320 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 08:51:51,320 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 08:51:51,320 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 08:51:51,320 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 08:51:51,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 08:51:51,321 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 08:51:51,321 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 08:51:51,321 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 08:51:51,323 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 08:51:51,323 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c04fa9e35f4863ffa3e38fc942000589ae498f8db4e626f7ee6fb3d8c4e793d [2024-10-24 08:51:51,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 08:51:51,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 08:51:51,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 08:51:51,625 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 08:51:51,626 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 08:51:51,627 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-11.i [2024-10-24 08:51:53,132 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 08:51:53,353 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 08:51:53,354 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-11.i [2024-10-24 08:51:53,368 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36059463f/d22687679b624fae91e5131d190b40b4/FLAGf03b21204 [2024-10-24 08:51:53,382 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36059463f/d22687679b624fae91e5131d190b40b4 [2024-10-24 08:51:53,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 08:51:53,385 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 08:51:53,386 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 08:51:53,386 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 08:51:53,392 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 08:51:53,393 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:51:53" (1/1) ... [2024-10-24 08:51:53,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@da5b7ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:51:53, skipping insertion in model container [2024-10-24 08:51:53,396 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:51:53" (1/1) ... [2024-10-24 08:51:53,422 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 08:51:53,581 WARN L248 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_floatingpointinfluence_no-floats_file-11.i[916,929] [2024-10-24 08:51:53,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:51:53,642 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 08:51:53,653 WARN L248 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_floatingpointinfluence_no-floats_file-11.i[916,929] [2024-10-24 08:51:53,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:51:53,691 INFO L204 MainTranslator]: Completed translation [2024-10-24 08:51:53,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:51:53 WrapperNode [2024-10-24 08:51:53,692 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 08:51:53,693 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 08:51:53,694 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 08:51:53,694 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 08:51:53,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:51:53" (1/1) ... [2024-10-24 08:51:53,709 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:51:53" (1/1) ... [2024-10-24 08:51:53,745 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2024-10-24 08:51:53,746 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 08:51:53,747 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 08:51:53,747 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 08:51:53,747 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 08:51:53,758 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:51:53" (1/1) ... [2024-10-24 08:51:53,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:51:53" (1/1) ... [2024-10-24 08:51:53,762 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:51:53" (1/1) ... [2024-10-24 08:51:53,787 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 08:51:53,787 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:51:53" (1/1) ... [2024-10-24 08:51:53,788 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:51:53" (1/1) ... [2024-10-24 08:51:53,801 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:51:53" (1/1) ... [2024-10-24 08:51:53,804 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:51:53" (1/1) ... [2024-10-24 08:51:53,806 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:51:53" (1/1) ... [2024-10-24 08:51:53,808 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:51:53" (1/1) ... [2024-10-24 08:51:53,812 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 08:51:53,814 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 08:51:53,817 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 08:51:53,817 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 08:51:53,818 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:51:53" (1/1) ... [2024-10-24 08:51:53,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:51:53,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 08:51:53,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 08:51:53,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 08:51:53,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 08:51:53,921 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 08:51:53,922 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 08:51:53,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 08:51:53,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 08:51:53,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 08:51:54,002 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 08:51:54,004 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 08:51:54,288 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-24 08:51:54,289 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 08:51:54,343 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 08:51:54,343 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 08:51:54,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:51:54 BoogieIcfgContainer [2024-10-24 08:51:54,343 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 08:51:54,347 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 08:51:54,347 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 08:51:54,350 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 08:51:54,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:51:53" (1/3) ... [2024-10-24 08:51:54,351 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@109236d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:51:54, skipping insertion in model container [2024-10-24 08:51:54,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:51:53" (2/3) ... [2024-10-24 08:51:54,352 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@109236d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:51:54, skipping insertion in model container [2024-10-24 08:51:54,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:51:54" (3/3) ... [2024-10-24 08:51:54,353 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-11.i [2024-10-24 08:51:54,366 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 08:51:54,366 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 08:51:54,422 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 08:51:54,428 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;@3d6d7c34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 08:51:54,428 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 08:51:54,433 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 30 states have internal predecessors, (42), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-24 08:51:54,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-24 08:51:54,445 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:51:54,446 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:51:54,447 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:51:54,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:51:54,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1075937705, now seen corresponding path program 1 times [2024-10-24 08:51:54,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:51:54,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22954490] [2024-10-24 08:51:54,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:51:54,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:51:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:51:54,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:51:54,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:51:54,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:51:54,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:51:54,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:51:54,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:51:54,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:51:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:51:54,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:51:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:51:54,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:51:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:51:54,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:51:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:51:54,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:51:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:51:54,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:51:54,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:51:54,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:51:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:51:54,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:51:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:51:54,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:51:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:51:54,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:51:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:51:54,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:51:54,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:51:54,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:51:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:51:54,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:51:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:51:54,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:51:54,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:51:54,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:51:54,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:51:54,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 08:51:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:51:54,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:51:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:51:54,876 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-10-24 08:51:54,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:51:54,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22954490] [2024-10-24 08:51:54,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22954490] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:51:54,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:51:54,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 08:51:54,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602800502] [2024-10-24 08:51:54,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:51:54,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 08:51:54,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:51:54,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 08:51:54,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:51:54,920 INFO L87 Difference]: Start difference. First operand has 52 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 30 states have internal predecessors, (42), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-24 08:51:54,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:51:54,966 INFO L93 Difference]: Finished difference Result 101 states and 182 transitions. [2024-10-24 08:51:54,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 08:51:54,973 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 120 [2024-10-24 08:51:54,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:51:54,980 INFO L225 Difference]: With dead ends: 101 [2024-10-24 08:51:54,980 INFO L226 Difference]: Without dead ends: 50 [2024-10-24 08:51:54,983 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:51:54,987 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 08:51:54,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 08:51:55,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-10-24 08:51:55,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-10-24 08:51:55,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 28 states have (on average 1.25) internal successors, (35), 28 states have internal predecessors, (35), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-24 08:51:55,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 75 transitions. [2024-10-24 08:51:55,041 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 75 transitions. Word has length 120 [2024-10-24 08:51:55,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:51:55,043 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 75 transitions. [2024-10-24 08:51:55,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-24 08:51:55,044 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 75 transitions. [2024-10-24 08:51:55,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-24 08:51:55,050 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:51:55,050 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:51:55,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 08:51:55,051 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:51:55,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:51:55,052 INFO L85 PathProgramCache]: Analyzing trace with hash 865068631, now seen corresponding path program 1 times [2024-10-24 08:51:55,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:51:55,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784226423] [2024-10-24 08:51:55,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:51:55,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:51:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:52:02,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:52:02,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:52:02,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:52:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:52:02,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:52:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:52:02,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:52:02,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:52:02,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:52:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:52:02,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:52:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:52:02,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:52:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:52:02,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:52:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:52:02,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:52:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:52:02,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:52:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:52:02,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:52:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:52:02,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:52:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:52:02,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:52:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:52:02,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:52:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:52:02,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:52:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:52:02,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:52:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:52:02,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:52:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:52:02,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:52:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:52:02,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 08:52:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:52:02,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:52:02,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:52:02,751 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-10-24 08:52:02,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:52:02,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784226423] [2024-10-24 08:52:02,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784226423] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:52:02,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:52:02,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 08:52:02,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144774593] [2024-10-24 08:52:02,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:52:02,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 08:52:02,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:52:02,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 08:52:02,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 08:52:02,760 INFO L87 Difference]: Start difference. First operand 50 states and 75 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-10-24 08:52:02,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:52:02,997 INFO L93 Difference]: Finished difference Result 68 states and 96 transitions. [2024-10-24 08:52:02,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 08:52:02,998 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 120 [2024-10-24 08:52:02,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:52:03,001 INFO L225 Difference]: With dead ends: 68 [2024-10-24 08:52:03,002 INFO L226 Difference]: Without dead ends: 66 [2024-10-24 08:52:03,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-24 08:52:03,004 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 29 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 08:52:03,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 256 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 08:52:03,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-10-24 08:52:03,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 58. [2024-10-24 08:52:03,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 36 states have internal predecessors, (46), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-24 08:52:03,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 86 transitions. [2024-10-24 08:52:03,025 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 86 transitions. Word has length 120 [2024-10-24 08:52:03,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:52:03,030 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 86 transitions. [2024-10-24 08:52:03,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-10-24 08:52:03,032 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 86 transitions. [2024-10-24 08:52:03,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-24 08:52:03,036 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:52:03,036 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:52:03,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 08:52:03,037 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:52:03,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:52:03,037 INFO L85 PathProgramCache]: Analyzing trace with hash 865128213, now seen corresponding path program 1 times [2024-10-24 08:52:03,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:52:03,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606156142] [2024-10-24 08:52:03,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:52:03,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:52:03,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 08:52:03,132 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 08:52:03,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 08:52:03,262 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 08:52:03,263 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 08:52:03,264 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-24 08:52:03,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 08:52:03,268 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-24 08:52:03,359 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 08:52:03,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 08:52:03 BoogieIcfgContainer [2024-10-24 08:52:03,366 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 08:52:03,368 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 08:52:03,368 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 08:52:03,368 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 08:52:03,369 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:51:54" (3/4) ... [2024-10-24 08:52:03,371 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 08:52:03,372 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 08:52:03,373 INFO L158 Benchmark]: Toolchain (without parser) took 9988.48ms. Allocated memory was 155.2MB in the beginning and 595.6MB in the end (delta: 440.4MB). Free memory was 125.2MB in the beginning and 316.1MB in the end (delta: -191.0MB). Peak memory consumption was 248.4MB. Max. memory is 16.1GB. [2024-10-24 08:52:03,376 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 90.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 08:52:03,376 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.57ms. Allocated memory is still 155.2MB. Free memory was 125.2MB in the beginning and 110.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-24 08:52:03,376 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.70ms. Allocated memory is still 155.2MB. Free memory was 110.5MB in the beginning and 107.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 08:52:03,376 INFO L158 Benchmark]: Boogie Preprocessor took 66.10ms. Allocated memory is still 155.2MB. Free memory was 107.4MB in the beginning and 103.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 08:52:03,377 INFO L158 Benchmark]: RCFGBuilder took 529.96ms. Allocated memory is still 155.2MB. Free memory was 102.1MB in the beginning and 81.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-24 08:52:03,377 INFO L158 Benchmark]: TraceAbstraction took 9019.95ms. Allocated memory was 155.2MB in the beginning and 595.6MB in the end (delta: 440.4MB). Free memory was 81.1MB in the beginning and 316.1MB in the end (delta: -235.0MB). Peak memory consumption was 204.3MB. Max. memory is 16.1GB. [2024-10-24 08:52:03,377 INFO L158 Benchmark]: Witness Printer took 4.98ms. Allocated memory is still 595.6MB. Free memory is still 316.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 08:52:03,382 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 90.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.57ms. Allocated memory is still 155.2MB. Free memory was 125.2MB in the beginning and 110.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.70ms. Allocated memory is still 155.2MB. Free memory was 110.5MB in the beginning and 107.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.10ms. Allocated memory is still 155.2MB. Free memory was 107.4MB in the beginning and 103.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 529.96ms. Allocated memory is still 155.2MB. Free memory was 102.1MB in the beginning and 81.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 9019.95ms. Allocated memory was 155.2MB in the beginning and 595.6MB in the end (delta: 440.4MB). Free memory was 81.1MB in the beginning and 316.1MB in the end (delta: -235.0MB). Peak memory consumption was 204.3MB. Max. memory is 16.1GB. * Witness Printer took 4.98ms. Allocated memory is still 595.6MB. Free memory is still 316.1MB. 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 to_int at line 104, overapproximation of someBinaryDOUBLEComparisonOperation at line 104. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -16; [L23] signed long int var_1_2 = 50; [L24] signed long int var_1_3 = 7; [L25] signed char var_1_7 = 10; [L26] signed long int var_1_8 = 32; [L27] signed long int var_1_9 = 1000000; [L28] signed long int var_1_10 = 2; [L29] unsigned char var_1_11 = 1; [L30] unsigned char var_1_12 = 1; [L31] unsigned char var_1_13 = 1; [L32] unsigned char var_1_14 = 5; [L33] unsigned char var_1_15 = 200; [L34] unsigned char var_1_16 = 10; [L35] unsigned char var_1_17 = 1; [L36] unsigned char last_1_var_1_11 = 1; [L108] isInitial = 1 [L109] FCALL initially() [L110] COND TRUE 1 [L111] CALL updateLastVariables() [L101] last_1_var_1_11 = var_1_11 [L111] RET updateLastVariables() [L112] CALL updateVariables() [L69] var_1_2 = __VERIFIER_nondet_long() [L70] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=7, var_1_7=10, var_1_8=32, var_1_9=1000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=7, var_1_7=10, var_1_8=32, var_1_9=1000000] [L70] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=7, var_1_7=10, var_1_8=32, var_1_9=1000000] [L71] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=7, var_1_7=10, var_1_8=32, var_1_9=1000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=7, var_1_7=10, var_1_8=32, var_1_9=1000000] [L71] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=7, var_1_7=10, var_1_8=32, var_1_9=1000000] [L72] var_1_3 = __VERIFIER_nondet_long() [L73] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=10, var_1_8=32, var_1_9=1000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=10, var_1_8=32, var_1_9=1000000] [L73] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=10, var_1_8=32, var_1_9=1000000] [L74] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=10, var_1_8=32, var_1_9=1000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=10, var_1_8=32, var_1_9=1000000] [L74] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=10, var_1_8=32, var_1_9=1000000] [L75] var_1_7 = __VERIFIER_nondet_char() [L76] CALL assume_abort_if_not(var_1_7 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=1000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=1000000] [L76] RET assume_abort_if_not(var_1_7 >= -127) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=1000000] [L77] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=1000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=1000000] [L77] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=1000000] [L78] var_1_9 = __VERIFIER_nondet_long() [L79] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L79] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L80] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L80] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L81] var_1_10 = __VERIFIER_nondet_long() [L82] CALL assume_abort_if_not(var_1_10 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L82] RET assume_abort_if_not(var_1_10 >= -2147483648) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L83] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L83] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L84] var_1_12 = __VERIFIER_nondet_uchar() [L85] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L85] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L86] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L86] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L87] var_1_13 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L88] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L89] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L89] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L90] var_1_15 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L91] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L92] CALL assume_abort_if_not(var_1_15 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=253, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=253, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L92] RET assume_abort_if_not(var_1_15 <= 254) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=253, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L93] var_1_16 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=253, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=253, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L94] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=253, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L95] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=253, var_1_16=254, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=253, var_1_16=254, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L95] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=253, var_1_16=254, var_1_17=1, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L96] var_1_17 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=253, var_1_16=254, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=253, var_1_16=254, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L97] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=253, var_1_16=254, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L98] CALL assume_abort_if_not(var_1_17 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=253, var_1_16=254, var_1_17=252, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=253, var_1_16=254, var_1_17=252, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L98] RET assume_abort_if_not(var_1_17 <= 254) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=253, var_1_16=254, var_1_17=252, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L112] RET updateVariables() [L113] CALL step() [L40] COND FALSE !(var_1_3 >= var_1_2) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=253, var_1_16=254, var_1_17=252, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L49] COND TRUE var_1_8 <= var_1_8 [L50] var_1_11 = (var_1_12 || var_1_13) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=253, var_1_16=254, var_1_17=252, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L52] unsigned char stepLocal_0 = var_1_11; VAL [isInitial=1, last_1_var_1_11=1, stepLocal_0=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=253, var_1_16=254, var_1_17=252, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L53] COND FALSE !((var_1_2 - 5.25) < (var_1_8 * (var_1_8 * 199.4))) VAL [isInitial=1, last_1_var_1_11=1, stepLocal_0=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=253, var_1_16=254, var_1_17=252, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L62] COND FALSE !(! var_1_11) [L65] var_1_14 = var_1_16 VAL [isInitial=1, last_1_var_1_11=1, stepLocal_0=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=254, var_1_15=253, var_1_16=254, var_1_17=252, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L113] RET step() [L114] CALL, EXPR property() [L104-L105] return (((((var_1_2 - 5.25) < (var_1_8 * (var_1_8 * 199.4))) ? ((var_1_11 && var_1_11) ? ((var_1_8 < var_1_8) ? (var_1_1 == ((signed char) var_1_7)) : (var_1_1 == ((signed char) var_1_7))) : 1) : 1) && ((var_1_3 >= var_1_2) ? (last_1_var_1_11 ? ((! last_1_var_1_11) ? (var_1_8 == ((signed long int) ((((var_1_9) > ((10.25f + var_1_10))) ? (var_1_9) : ((10.25f + var_1_10)))))) : (var_1_8 == ((signed long int) var_1_9))) : 1) : 1)) && ((var_1_8 <= var_1_8) ? (var_1_11 == ((unsigned char) (var_1_12 || var_1_13))) : 1)) && ((! var_1_11) ? (var_1_14 == ((unsigned char) ((((((((var_1_15) < (((((var_1_16) > (5)) ? (var_1_16) : (5))))) ? (var_1_15) : (((((var_1_16) > (5)) ? (var_1_16) : (5))))))) < (var_1_17)) ? (((((var_1_15) < (((((var_1_16) > (5)) ? (var_1_16) : (5))))) ? (var_1_15) : (((((var_1_16) > (5)) ? (var_1_16) : (5))))))) : (var_1_17))))) : (var_1_14 == ((unsigned char) var_1_16))) ; [L114] RET, EXPR property() [L114] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=254, var_1_15=253, var_1_16=254, var_1_17=252, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=254, var_1_15=253, var_1_16=254, var_1_17=252, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_7=126, var_1_8=32, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.9s, OverallIterations: 3, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 328 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 190 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 62 IncrementalHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 138 mSDtfsCounter, 62 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=2, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 238 ConstructedInterpolants, 0 QuantifiedInterpolants, 556 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1520/1520 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-24 08:52:03,420 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/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-11.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 2c04fa9e35f4863ffa3e38fc942000589ae498f8db4e626f7ee6fb3d8c4e793d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 08:52:05,652 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 08:52:05,729 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-24 08:52:05,734 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 08:52:05,737 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 08:52:05,766 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 08:52:05,767 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 08:52:05,767 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 08:52:05,768 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 08:52:05,768 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 08:52:05,769 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 08:52:05,769 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 08:52:05,771 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 08:52:05,772 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 08:52:05,772 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 08:52:05,773 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 08:52:05,773 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 08:52:05,773 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 08:52:05,774 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 08:52:05,774 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 08:52:05,774 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 08:52:05,775 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 08:52:05,776 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 08:52:05,776 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 08:52:05,776 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 08:52:05,776 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 08:52:05,776 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 08:52:05,777 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 08:52:05,777 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 08:52:05,777 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 08:52:05,777 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 08:52:05,777 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 08:52:05,778 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 08:52:05,778 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 08:52:05,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:52:05,778 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 08:52:05,778 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 08:52:05,779 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 08:52:05,779 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 08:52:05,781 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 08:52:05,782 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 08:52:05,783 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 08:52:05,783 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 08:52:05,783 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 08:52:05,783 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 08:52:05,783 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c04fa9e35f4863ffa3e38fc942000589ae498f8db4e626f7ee6fb3d8c4e793d [2024-10-24 08:52:06,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 08:52:06,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 08:52:06,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 08:52:06,141 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 08:52:06,142 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 08:52:06,145 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-11.i [2024-10-24 08:52:07,802 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 08:52:08,042 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 08:52:08,042 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-11.i [2024-10-24 08:52:08,055 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6537f943d/d6e76e1f781840f48fc47fa19a10085c/FLAG85a5ad4b5 [2024-10-24 08:52:08,385 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6537f943d/d6e76e1f781840f48fc47fa19a10085c [2024-10-24 08:52:08,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 08:52:08,390 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 08:52:08,394 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 08:52:08,394 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 08:52:08,400 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 08:52:08,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:52:08" (1/1) ... [2024-10-24 08:52:08,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d535af9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:52:08, skipping insertion in model container [2024-10-24 08:52:08,403 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:52:08" (1/1) ... [2024-10-24 08:52:08,433 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 08:52:08,625 WARN L248 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_floatingpointinfluence_no-floats_file-11.i[916,929] [2024-10-24 08:52:08,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:52:08,713 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 08:52:08,724 WARN L248 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_floatingpointinfluence_no-floats_file-11.i[916,929] [2024-10-24 08:52:08,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:52:08,785 INFO L204 MainTranslator]: Completed translation [2024-10-24 08:52:08,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:52:08 WrapperNode [2024-10-24 08:52:08,786 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 08:52:08,787 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 08:52:08,787 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 08:52:08,787 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 08:52:08,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:52:08" (1/1) ... [2024-10-24 08:52:08,817 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:52:08" (1/1) ... [2024-10-24 08:52:08,851 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2024-10-24 08:52:08,852 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 08:52:08,853 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 08:52:08,853 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 08:52:08,853 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 08:52:08,865 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:52:08" (1/1) ... [2024-10-24 08:52:08,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:52:08" (1/1) ... [2024-10-24 08:52:08,871 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:52:08" (1/1) ... [2024-10-24 08:52:08,896 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 08:52:08,898 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:52:08" (1/1) ... [2024-10-24 08:52:08,899 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:52:08" (1/1) ... [2024-10-24 08:52:08,909 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:52:08" (1/1) ... [2024-10-24 08:52:08,919 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:52:08" (1/1) ... [2024-10-24 08:52:08,922 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:52:08" (1/1) ... [2024-10-24 08:52:08,928 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:52:08" (1/1) ... [2024-10-24 08:52:08,935 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 08:52:08,936 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 08:52:08,936 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 08:52:08,936 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 08:52:08,937 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:52:08" (1/1) ... [2024-10-24 08:52:08,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:52:08,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 08:52:08,974 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 08:52:08,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 08:52:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 08:52:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-24 08:52:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 08:52:09,031 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 08:52:09,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 08:52:09,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 08:52:09,129 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 08:52:09,132 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 08:52:22,555 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-24 08:52:22,555 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 08:52:22,621 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 08:52:22,621 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 08:52:22,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:52:22 BoogieIcfgContainer [2024-10-24 08:52:22,624 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 08:52:22,627 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 08:52:22,627 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 08:52:22,630 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 08:52:22,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:52:08" (1/3) ... [2024-10-24 08:52:22,632 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dc73fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:52:22, skipping insertion in model container [2024-10-24 08:52:22,632 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:52:08" (2/3) ... [2024-10-24 08:52:22,632 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dc73fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:52:22, skipping insertion in model container [2024-10-24 08:52:22,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:52:22" (3/3) ... [2024-10-24 08:52:22,635 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-11.i [2024-10-24 08:52:22,654 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 08:52:22,655 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 08:52:22,734 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 08:52:22,742 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;@6417d329, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 08:52:22,742 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 08:52:22,755 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 30 states have internal predecessors, (42), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-24 08:52:22,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-24 08:52:22,770 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:52:22,771 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:52:22,772 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:52:22,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:52:22,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1075937705, now seen corresponding path program 1 times [2024-10-24 08:52:22,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 08:52:22,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [477151114] [2024-10-24 08:52:22,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:52:22,795 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 [2024-10-24 08:52:22,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 08:52:22,800 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) [2024-10-24 08:52:22,802 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 [2024-10-24 08:52:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:52:23,385 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-24 08:52:23,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 08:52:23,448 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-10-24 08:52:23,449 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 08:52:23,450 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 08:52:23,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [477151114] [2024-10-24 08:52:23,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [477151114] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:52:23,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:52:23,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 08:52:23,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36312558] [2024-10-24 08:52:23,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:52:23,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 08:52:23,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 08:52:23,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 08:52:23,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:52:23,489 INFO L87 Difference]: Start difference. First operand has 52 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 30 states have internal predecessors, (42), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-10-24 08:52:27,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 08:52:27,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:52:27,777 INFO L93 Difference]: Finished difference Result 101 states and 182 transitions. [2024-10-24 08:52:27,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 08:52:27,858 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 120 [2024-10-24 08:52:27,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:52:27,864 INFO L225 Difference]: With dead ends: 101 [2024-10-24 08:52:27,865 INFO L226 Difference]: Without dead ends: 50 [2024-10-24 08:52:27,867 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:52:27,870 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-10-24 08:52:27,870 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-10-24 08:52:27,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-10-24 08:52:27,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-10-24 08:52:27,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 28 states have (on average 1.25) internal successors, (35), 28 states have internal predecessors, (35), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-24 08:52:27,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 75 transitions. [2024-10-24 08:52:27,910 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 75 transitions. Word has length 120 [2024-10-24 08:52:27,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:52:27,912 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 75 transitions. [2024-10-24 08:52:27,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-10-24 08:52:27,912 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 75 transitions. [2024-10-24 08:52:27,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-24 08:52:27,915 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:52:27,915 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:52:27,933 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 [2024-10-24 08:52:28,119 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 [2024-10-24 08:52:28,120 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:52:28,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:52:28,121 INFO L85 PathProgramCache]: Analyzing trace with hash 865068631, now seen corresponding path program 1 times [2024-10-24 08:52:28,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 08:52:28,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [632956165] [2024-10-24 08:52:28,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:52:28,130 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 [2024-10-24 08:52:28,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 08:52:28,134 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) [2024-10-24 08:52:28,135 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 [2024-10-24 08:52:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:52:28,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 08:52:28,534 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 08:52:30,030 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 379 proven. 21 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-10-24 08:52:30,031 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 08:52:32,002 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 36 proven. 21 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-10-24 08:52:32,003 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 08:52:32,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [632956165] [2024-10-24 08:52:32,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [632956165] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 08:52:32,004 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 08:52:32,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-10-24 08:52:32,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164469616] [2024-10-24 08:52:32,004 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 08:52:32,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 08:52:32,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 08:52:32,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 08:52:32,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-24 08:52:32,008 INFO L87 Difference]: Start difference. First operand 50 states and 75 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-10-24 08:52:38,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 08:52:42,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 08:52:46,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 08:52:46,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:52:46,246 INFO L93 Difference]: Finished difference Result 105 states and 154 transitions. [2024-10-24 08:52:46,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 08:52:46,334 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 120 [2024-10-24 08:52:46,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:52:46,335 INFO L225 Difference]: With dead ends: 105 [2024-10-24 08:52:46,336 INFO L226 Difference]: Without dead ends: 56 [2024-10-24 08:52:46,336 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 231 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=76, Invalid=134, Unknown=0, NotChecked=0, Total=210 [2024-10-24 08:52:46,337 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 92 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 116 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2024-10-24 08:52:46,338 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 93 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 123 Invalid, 3 Unknown, 0 Unchecked, 13.6s Time] [2024-10-24 08:52:46,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-10-24 08:52:46,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54. [2024-10-24 08:52:46,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-24 08:52:46,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 77 transitions. [2024-10-24 08:52:46,356 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 77 transitions. Word has length 120 [2024-10-24 08:52:46,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:52:46,357 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 77 transitions. [2024-10-24 08:52:46,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-10-24 08:52:46,357 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 77 transitions. [2024-10-24 08:52:46,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-24 08:52:46,359 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:52:46,359 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:52:46,382 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 (3)] Ended with exit code 0 [2024-10-24 08:52:46,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /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 [2024-10-24 08:52:46,560 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:52:46,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:52:46,561 INFO L85 PathProgramCache]: Analyzing trace with hash 865128213, now seen corresponding path program 1 times [2024-10-24 08:52:46,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 08:52:46,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1690648927] [2024-10-24 08:52:46,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:52:46,562 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 [2024-10-24 08:52:46,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 08:52:46,565 INFO L229 MonitoredProcess]: Starting monitored process 4 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) [2024-10-24 08:52:46,567 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 (4)] Waiting until timeout for monitored process [2024-10-24 08:52:46,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:52:46,977 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 08:52:46,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 08:52:56,971 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-24 08:53:05,231 WARN L286 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-24 08:53:13,365 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-24 08:53:21,598 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)