./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.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 99f1799baf7f5c9d7d37d9cf695471ea76a03c314cf5ba1feb06a277131aa58f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 10:09:50,505 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 10:09:50,572 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 10:09:50,589 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 10:09:50,590 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 10:09:50,638 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 10:09:50,639 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 10:09:50,639 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 10:09:50,640 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 10:09:50,644 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 10:09:50,644 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 10:09:50,644 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 10:09:50,645 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 10:09:50,645 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 10:09:50,646 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 10:09:50,646 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 10:09:50,646 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 10:09:50,646 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 10:09:50,647 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 10:09:50,647 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 10:09:50,647 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 10:09:50,649 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 10:09:50,649 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 10:09:50,650 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 10:09:50,650 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 10:09:50,650 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 10:09:50,651 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 10:09:50,651 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 10:09:50,651 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 10:09:50,652 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 10:09:50,652 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 10:09:50,653 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 10:09:50,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 10:09:50,653 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 10:09:50,654 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 10:09:50,654 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 10:09:50,655 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 10:09:50,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 10:09:50,655 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 10:09:50,655 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 10:09:50,655 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 10:09:50,656 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 10:09:50,656 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99f1799baf7f5c9d7d37d9cf695471ea76a03c314cf5ba1feb06a277131aa58f [2024-11-22 10:09:50,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 10:09:50,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 10:09:50,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 10:09:50,939 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 10:09:50,940 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 10:09:50,941 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i [2024-11-22 10:09:52,373 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 10:09:52,599 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 10:09:52,600 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i [2024-11-22 10:09:52,611 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/806f01d6b/2351f053fa4d4e2aba15cfb14624221c/FLAG602ec1d4a [2024-11-22 10:09:52,951 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/806f01d6b/2351f053fa4d4e2aba15cfb14624221c [2024-11-22 10:09:52,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 10:09:52,954 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 10:09:52,957 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 10:09:52,957 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 10:09:52,963 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 10:09:52,964 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:09:52" (1/1) ... [2024-11-22 10:09:52,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bb93e57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:52, skipping insertion in model container [2024-11-22 10:09:52,968 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:09:52" (1/1) ... [2024-11-22 10:09:52,993 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 10:09:53,164 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i[916,929] [2024-11-22 10:09:53,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 10:09:53,216 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 10:09:53,225 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i[916,929] [2024-11-22 10:09:53,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 10:09:53,257 INFO L204 MainTranslator]: Completed translation [2024-11-22 10:09:53,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:53 WrapperNode [2024-11-22 10:09:53,258 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 10:09:53,259 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 10:09:53,260 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 10:09:53,261 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 10:09:53,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:53" (1/1) ... [2024-11-22 10:09:53,273 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:53" (1/1) ... [2024-11-22 10:09:53,307 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 110 [2024-11-22 10:09:53,308 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 10:09:53,309 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 10:09:53,309 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 10:09:53,309 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 10:09:53,319 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:53" (1/1) ... [2024-11-22 10:09:53,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:53" (1/1) ... [2024-11-22 10:09:53,322 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:53" (1/1) ... [2024-11-22 10:09:53,337 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]. [2024-11-22 10:09:53,338 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:53" (1/1) ... [2024-11-22 10:09:53,338 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:53" (1/1) ... [2024-11-22 10:09:53,349 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:53" (1/1) ... [2024-11-22 10:09:53,353 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:53" (1/1) ... [2024-11-22 10:09:53,359 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:53" (1/1) ... [2024-11-22 10:09:53,360 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:53" (1/1) ... [2024-11-22 10:09:53,365 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 10:09:53,368 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 10:09:53,368 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 10:09:53,368 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 10:09:53,369 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:53" (1/1) ... [2024-11-22 10:09:53,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 10:09:53,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 10:09:53,403 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) [2024-11-22 10:09:53,406 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 [2024-11-22 10:09:53,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 10:09:53,454 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 10:09:53,455 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 10:09:53,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 10:09:53,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 10:09:53,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 10:09:53,534 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 10:09:53,537 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 10:09:53,774 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-22 10:09:53,774 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 10:09:53,785 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 10:09:53,786 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 10:09:53,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:09:53 BoogieIcfgContainer [2024-11-22 10:09:53,786 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 10:09:53,788 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 10:09:53,788 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 10:09:53,791 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 10:09:53,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:09:52" (1/3) ... [2024-11-22 10:09:53,792 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@694f8505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:09:53, skipping insertion in model container [2024-11-22 10:09:53,792 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:53" (2/3) ... [2024-11-22 10:09:53,792 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@694f8505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:09:53, skipping insertion in model container [2024-11-22 10:09:53,793 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:09:53" (3/3) ... [2024-11-22 10:09:53,794 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-65.i [2024-11-22 10:09:53,806 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 10:09:53,806 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 10:09:53,856 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 10:09:53,862 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;@7b0d062e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 10:09:53,863 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 10:09:53,868 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-22 10:09:53,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-22 10:09:53,881 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 10:09:53,882 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 10:09:53,882 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 10:09:53,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 10:09:53,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1997361240, now seen corresponding path program 1 times [2024-11-22 10:09:53,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 10:09:53,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572805164] [2024-11-22 10:09:53,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 10:09:53,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 10:09:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 10:09:54,174 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-22 10:09:54,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 10:09:54,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572805164] [2024-11-22 10:09:54,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572805164] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 10:09:54,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881127348] [2024-11-22 10:09:54,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 10:09:54,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 10:09:54,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 10:09:54,181 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 10:09:54,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 10:09:54,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 10:09:54,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 10:09:54,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 10:09:54,350 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-22 10:09:54,351 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 10:09:54,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881127348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 10:09:54,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 10:09:54,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-22 10:09:54,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794613657] [2024-11-22 10:09:54,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 10:09:54,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 10:09:54,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 10:09:54,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 10:09:54,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 10:09:54,382 INFO L87 Difference]: Start difference. First operand has 50 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-22 10:09:54,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 10:09:54,403 INFO L93 Difference]: Finished difference Result 93 states and 158 transitions. [2024-11-22 10:09:54,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 10:09:54,407 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 102 [2024-11-22 10:09:54,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 10:09:54,416 INFO L225 Difference]: With dead ends: 93 [2024-11-22 10:09:54,417 INFO L226 Difference]: Without dead ends: 46 [2024-11-22 10:09:54,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 10:09:54,427 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 10:09:54,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 10:09:54,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-22 10:09:54,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-22 10:09:54,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-22 10:09:54,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 66 transitions. [2024-11-22 10:09:54,467 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 66 transitions. Word has length 102 [2024-11-22 10:09:54,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 10:09:54,468 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 66 transitions. [2024-11-22 10:09:54,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-22 10:09:54,468 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions. [2024-11-22 10:09:54,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-22 10:09:54,471 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 10:09:54,471 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 10:09:54,483 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 10:09:54,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-22 10:09:54,676 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 10:09:54,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 10:09:54,677 INFO L85 PathProgramCache]: Analyzing trace with hash 925118552, now seen corresponding path program 1 times [2024-11-22 10:09:54,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 10:09:54,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695672042] [2024-11-22 10:09:54,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 10:09:54,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 10:09:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 10:09:56,865 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-22 10:09:56,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 10:09:56,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695672042] [2024-11-22 10:09:56,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695672042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 10:09:56,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 10:09:56,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-22 10:09:56,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435110408] [2024-11-22 10:09:56,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 10:09:56,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 10:09:56,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 10:09:56,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 10:09:56,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-22 10:09:56,873 INFO L87 Difference]: Start difference. First operand 46 states and 66 transitions. Second operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-22 10:09:57,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 10:09:57,140 INFO L93 Difference]: Finished difference Result 116 states and 162 transitions. [2024-11-22 10:09:57,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 10:09:57,141 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 102 [2024-11-22 10:09:57,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 10:09:57,143 INFO L225 Difference]: With dead ends: 116 [2024-11-22 10:09:57,143 INFO L226 Difference]: Without dead ends: 73 [2024-11-22 10:09:57,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-11-22 10:09:57,145 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 47 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 10:09:57,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 310 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 10:09:57,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-22 10:09:57,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 67. [2024-11-22 10:09:57,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 46 states have (on average 1.2173913043478262) internal successors, (56), 47 states have internal predecessors, (56), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-22 10:09:57,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 92 transitions. [2024-11-22 10:09:57,168 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 92 transitions. Word has length 102 [2024-11-22 10:09:57,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 10:09:57,169 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 92 transitions. [2024-11-22 10:09:57,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-22 10:09:57,169 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2024-11-22 10:09:57,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-22 10:09:57,171 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 10:09:57,171 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 10:09:57,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 10:09:57,172 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 10:09:57,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 10:09:57,173 INFO L85 PathProgramCache]: Analyzing trace with hash -2108976808, now seen corresponding path program 1 times [2024-11-22 10:09:57,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 10:09:57,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263764698] [2024-11-22 10:09:57,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 10:09:57,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 10:09:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 10:09:57,238 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-22 10:09:57,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 10:09:57,332 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-22 10:09:57,333 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-22 10:09:57,337 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-22 10:09:57,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 10:09:57,342 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-22 10:09:57,428 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 10:09:57,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:09:57 BoogieIcfgContainer [2024-11-22 10:09:57,432 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 10:09:57,433 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 10:09:57,434 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 10:09:57,434 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 10:09:57,435 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:09:53" (3/4) ... [2024-11-22 10:09:57,437 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-22 10:09:57,438 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 10:09:57,440 INFO L158 Benchmark]: Toolchain (without parser) took 4485.79ms. Allocated memory was 163.6MB in the beginning and 234.9MB in the end (delta: 71.3MB). Free memory was 130.8MB in the beginning and 139.1MB in the end (delta: -8.3MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-22 10:09:57,442 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 163.6MB. Free memory is still 128.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 10:09:57,442 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.70ms. Allocated memory is still 163.6MB. Free memory was 130.8MB in the beginning and 116.4MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-22 10:09:57,442 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.74ms. Allocated memory is still 163.6MB. Free memory was 116.4MB in the beginning and 114.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 10:09:57,443 INFO L158 Benchmark]: Boogie Preprocessor took 57.89ms. Allocated memory is still 163.6MB. Free memory was 114.0MB in the beginning and 111.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 10:09:57,443 INFO L158 Benchmark]: RCFGBuilder took 418.92ms. Allocated memory is still 163.6MB. Free memory was 111.3MB in the beginning and 96.0MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-22 10:09:57,443 INFO L158 Benchmark]: TraceAbstraction took 3644.32ms. Allocated memory was 163.6MB in the beginning and 234.9MB in the end (delta: 71.3MB). Free memory was 95.4MB in the beginning and 140.2MB in the end (delta: -44.7MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2024-11-22 10:09:57,444 INFO L158 Benchmark]: Witness Printer took 6.23ms. Allocated memory is still 234.9MB. Free memory was 140.2MB in the beginning and 139.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 10:09:57,446 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 163.6MB. Free memory is still 128.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.70ms. Allocated memory is still 163.6MB. Free memory was 130.8MB in the beginning and 116.4MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.74ms. Allocated memory is still 163.6MB. Free memory was 116.4MB in the beginning and 114.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.89ms. Allocated memory is still 163.6MB. Free memory was 114.0MB in the beginning and 111.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 418.92ms. Allocated memory is still 163.6MB. Free memory was 111.3MB in the beginning and 96.0MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3644.32ms. Allocated memory was 163.6MB in the beginning and 234.9MB in the end (delta: 71.3MB). Free memory was 95.4MB in the beginning and 140.2MB in the end (delta: -44.7MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. * Witness Printer took 6.23ms. Allocated memory is still 234.9MB. Free memory was 140.2MB in the beginning and 139.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 93, overapproximation of someBinaryFLOATComparisonOperation at line 93. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 1000000000; [L23] unsigned char var_1_3 = 1; [L24] signed long int var_1_4 = 8; [L25] signed long int var_1_5 = -32; [L26] signed long int var_1_9 = 100; [L27] signed long int var_1_12 = 25; [L28] signed long int var_1_13 = 63; [L29] signed long int var_1_14 = 0; [L30] signed long int var_1_15 = 0; [L31] signed char var_1_16 = -8; [L32] signed char var_1_17 = 8; [L33] unsigned short int var_1_18 = 2; [L34] unsigned short int var_1_19 = 50; [L35] unsigned short int var_1_20 = 0; [L36] signed long int last_1_var_1_9 = 100; VAL [isInitial=0, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=8, var_1_5=-32, var_1_9=100] [L97] isInitial = 1 [L98] FCALL initially() [L99] COND TRUE 1 [L100] CALL updateLastVariables() [L90] last_1_var_1_9 = var_1_9 VAL [isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=8, var_1_5=-32, var_1_9=100] [L100] RET updateLastVariables() [L101] CALL updateVariables() [L64] var_1_3 = __VERIFIER_nondet_uchar() [L65] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_4=8, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_4=8, var_1_5=-32, var_1_9=100] [L65] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_4=8, var_1_5=-32, var_1_9=100] [L66] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=8, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=8, var_1_5=-32, var_1_9=100] [L66] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=8, var_1_5=-32, var_1_9=100] [L67] var_1_4 = __VERIFIER_nondet_long() [L68] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L68] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L69] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L69] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L70] var_1_12 = __VERIFIER_nondet_long() [L71] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L71] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L72] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L72] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L73] var_1_13 = __VERIFIER_nondet_long() [L74] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L74] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L75] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L75] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L76] var_1_14 = __VERIFIER_nondet_long() [L77] CALL assume_abort_if_not(var_1_14 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L77] RET assume_abort_if_not(var_1_14 >= 2147483647) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L78] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L78] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L79] var_1_15 = __VERIFIER_nondet_long() [L80] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L80] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L81] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L81] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L82] var_1_17 = __VERIFIER_nondet_char() [L83] CALL assume_abort_if_not(var_1_17 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L83] RET assume_abort_if_not(var_1_17 >= -127) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L84] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L84] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L85] var_1_19 = __VERIFIER_nondet_ushort() [L86] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L86] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L87] CALL assume_abort_if_not(var_1_19 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_19=-65536, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_19=-65536, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L87] RET assume_abort_if_not(var_1_19 <= 65534) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_19=-65536, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L101] RET updateVariables() [L102] CALL step() [L40] COND FALSE !(0.625f > last_1_var_1_9) [L45] var_1_1 = ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_19=-65536, var_1_1=0, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L47] var_1_16 = var_1_17 [L48] var_1_18 = var_1_19 [L49] var_1_20 = var_1_19 VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-127, var_1_17=-127, var_1_18=-65536, var_1_19=-65536, var_1_1=0, var_1_20=-65536, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L50] COND TRUE \read(var_1_3) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-127, var_1_17=-127, var_1_18=-65536, var_1_19=-65536, var_1_1=0, var_1_20=-65536, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L51] COND TRUE var_1_20 >= ((var_1_18 - var_1_20) * 64) [L52] var_1_9 = (((((var_1_12) < (50.5)) ? (var_1_12) : (50.5))) - var_1_13) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-127, var_1_17=-127, var_1_18=-65536, var_1_19=-65536, var_1_1=0, var_1_20=-65536, var_1_3=1, var_1_4=0, var_1_5=-32] [L59] COND TRUE var_1_4 > var_1_9 [L60] var_1_5 = (((((var_1_20) > (-64)) ? (var_1_20) : (-64))) + ((var_1_20 + -2) + var_1_18)) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-127, var_1_17=-127, var_1_18=-65536, var_1_19=-65536, var_1_1=0, var_1_20=-65536, var_1_3=1, var_1_4=0, var_1_5=-2, var_1_9=-1] [L102] RET step() [L103] CALL, EXPR property() [L93-L94] return ((((((0.625f > last_1_var_1_9) ? (var_1_3 ? (var_1_1 == ((signed long int) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : 1) : (var_1_1 == ((signed long int) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))))) && ((var_1_4 > var_1_9) ? (var_1_5 == ((signed long int) (((((var_1_20) > (-64)) ? (var_1_20) : (-64))) + ((var_1_20 + -2) + var_1_18)))) : 1)) && (var_1_3 ? ((var_1_20 >= ((var_1_18 - var_1_20) * 64)) ? (var_1_9 == ((signed long int) (((((var_1_12) < (50.5)) ? (var_1_12) : (50.5))) - var_1_13))) : 1) : ((var_1_1 <= var_1_1) ? (var_1_9 == ((signed long int) (var_1_13 - (var_1_14 - var_1_15)))) : 1))) && (var_1_16 == ((signed char) var_1_17))) && (var_1_18 == ((unsigned short int) var_1_19))) && (var_1_20 == ((unsigned short int) var_1_19)) ; VAL [\result=0, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-127, var_1_17=-127, var_1_18=-65536, var_1_19=-65536, var_1_1=0, var_1_20=-65536, var_1_3=1, var_1_4=0, var_1_5=-2, var_1_9=-1] [L103] RET, EXPR property() [L103] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-127, var_1_17=-127, var_1_18=-65536, var_1_19=-65536, var_1_1=0, var_1_20=-65536, var_1_3=1, var_1_4=0, var_1_5=-2, var_1_9=-1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-127, var_1_17=-127, var_1_18=-65536, var_1_19=-65536, var_1_1=0, var_1_20=-65536, var_1_3=1, var_1_4=0, var_1_5=-2, var_1_9=-1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 3, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 47 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 47 mSDsluCounter, 376 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 241 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 64 IncrementalHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 135 mSDtfsCounter, 64 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=2, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 408 NumberOfCodeBlocks, 408 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 303 ConstructedInterpolants, 0 QuantifiedInterpolants, 590 SizeOfPredicates, 0 NumberOfNonLiveVariables, 246 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1410/1440 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 [2024-11-22 10:09:57,476 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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 ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.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 99f1799baf7f5c9d7d37d9cf695471ea76a03c314cf5ba1feb06a277131aa58f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 10:09:59,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 10:09:59,715 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-22 10:09:59,722 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 10:09:59,723 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 10:09:59,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 10:09:59,755 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 10:09:59,755 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 10:09:59,756 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 10:09:59,757 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 10:09:59,757 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 10:09:59,758 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 10:09:59,758 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 10:09:59,761 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 10:09:59,762 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 10:09:59,762 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 10:09:59,762 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 10:09:59,763 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 10:09:59,763 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 10:09:59,763 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 10:09:59,763 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 10:09:59,764 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 10:09:59,764 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 10:09:59,765 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-22 10:09:59,765 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-22 10:09:59,765 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 10:09:59,765 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-22 10:09:59,766 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 10:09:59,766 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 10:09:59,766 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 10:09:59,767 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 10:09:59,767 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 10:09:59,767 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 10:09:59,767 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 10:09:59,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 10:09:59,768 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 10:09:59,768 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 10:09:59,769 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 10:09:59,769 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-22 10:09:59,769 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-22 10:09:59,769 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 10:09:59,770 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 10:09:59,770 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 10:09:59,770 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 10:09:59,770 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99f1799baf7f5c9d7d37d9cf695471ea76a03c314cf5ba1feb06a277131aa58f [2024-11-22 10:10:00,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 10:10:00,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 10:10:00,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 10:10:00,114 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 10:10:00,115 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 10:10:00,116 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i [2024-11-22 10:10:01,661 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 10:10:01,874 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 10:10:01,875 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i [2024-11-22 10:10:01,883 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/baa149740/5128324d4ab24fb897b24b29f22a59f8/FLAG222d63bff [2024-11-22 10:10:02,251 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/baa149740/5128324d4ab24fb897b24b29f22a59f8 [2024-11-22 10:10:02,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 10:10:02,254 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 10:10:02,256 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 10:10:02,256 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 10:10:02,263 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 10:10:02,264 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:10:02" (1/1) ... [2024-11-22 10:10:02,265 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39d7f8a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:02, skipping insertion in model container [2024-11-22 10:10:02,265 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:10:02" (1/1) ... [2024-11-22 10:10:02,288 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 10:10:02,487 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i[916,929] [2024-11-22 10:10:02,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 10:10:02,563 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 10:10:02,577 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i[916,929] [2024-11-22 10:10:02,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 10:10:02,623 INFO L204 MainTranslator]: Completed translation [2024-11-22 10:10:02,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:02 WrapperNode [2024-11-22 10:10:02,624 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 10:10:02,625 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 10:10:02,625 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 10:10:02,625 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 10:10:02,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:02" (1/1) ... [2024-11-22 10:10:02,644 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:02" (1/1) ... [2024-11-22 10:10:02,675 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 104 [2024-11-22 10:10:02,679 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 10:10:02,680 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 10:10:02,680 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 10:10:02,680 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 10:10:02,690 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:02" (1/1) ... [2024-11-22 10:10:02,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:02" (1/1) ... [2024-11-22 10:10:02,696 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:02" (1/1) ... [2024-11-22 10:10:02,711 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]. [2024-11-22 10:10:02,715 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:02" (1/1) ... [2024-11-22 10:10:02,715 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:02" (1/1) ... [2024-11-22 10:10:02,723 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:02" (1/1) ... [2024-11-22 10:10:02,731 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:02" (1/1) ... [2024-11-22 10:10:02,732 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:02" (1/1) ... [2024-11-22 10:10:02,737 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:02" (1/1) ... [2024-11-22 10:10:02,740 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 10:10:02,743 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 10:10:02,743 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 10:10:02,743 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 10:10:02,744 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:02" (1/1) ... [2024-11-22 10:10:02,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 10:10:02,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 10:10:02,774 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) [2024-11-22 10:10:02,777 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 [2024-11-22 10:10:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 10:10:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-22 10:10:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 10:10:02,824 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 10:10:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 10:10:02,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 10:10:02,904 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 10:10:02,906 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 10:10:07,672 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-22 10:10:07,672 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 10:10:07,684 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 10:10:07,685 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 10:10:07,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:10:07 BoogieIcfgContainer [2024-11-22 10:10:07,685 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 10:10:07,687 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 10:10:07,688 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 10:10:07,691 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 10:10:07,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:10:02" (1/3) ... [2024-11-22 10:10:07,692 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d2c5ff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:10:07, skipping insertion in model container [2024-11-22 10:10:07,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:02" (2/3) ... [2024-11-22 10:10:07,692 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d2c5ff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:10:07, skipping insertion in model container [2024-11-22 10:10:07,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:10:07" (3/3) ... [2024-11-22 10:10:07,694 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-65.i [2024-11-22 10:10:07,710 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 10:10:07,711 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 10:10:07,791 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 10:10:07,800 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;@2aff0da0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 10:10:07,800 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 10:10:07,807 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-22 10:10:07,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-22 10:10:07,819 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 10:10:07,820 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 10:10:07,821 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 10:10:07,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 10:10:07,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1997361240, now seen corresponding path program 1 times [2024-11-22 10:10:07,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 10:10:07,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [569749204] [2024-11-22 10:10:07,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 10:10:07,843 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 [2024-11-22 10:10:07,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 10:10:07,847 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) [2024-11-22 10:10:07,848 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 [2024-11-22 10:10:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 10:10:08,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 10:10:08,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 10:10:08,185 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2024-11-22 10:10:08,185 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 10:10:08,186 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 10:10:08,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [569749204] [2024-11-22 10:10:08,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [569749204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 10:10:08,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 10:10:08,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 10:10:08,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573882404] [2024-11-22 10:10:08,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 10:10:08,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 10:10:08,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 10:10:08,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 10:10:08,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 10:10:08,224 INFO L87 Difference]: Start difference. First operand has 50 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-22 10:10:08,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 10:10:08,256 INFO L93 Difference]: Finished difference Result 93 states and 158 transitions. [2024-11-22 10:10:08,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 10:10:08,259 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 102 [2024-11-22 10:10:08,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 10:10:08,267 INFO L225 Difference]: With dead ends: 93 [2024-11-22 10:10:08,267 INFO L226 Difference]: Without dead ends: 46 [2024-11-22 10:10:08,271 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 10:10:08,275 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 10:10:08,276 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 10:10:08,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-22 10:10:08,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-22 10:10:08,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-22 10:10:08,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 66 transitions. [2024-11-22 10:10:08,324 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 66 transitions. Word has length 102 [2024-11-22 10:10:08,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 10:10:08,324 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 66 transitions. [2024-11-22 10:10:08,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-22 10:10:08,325 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions. [2024-11-22 10:10:08,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-22 10:10:08,328 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 10:10:08,329 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 10:10:08,338 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 [2024-11-22 10:10:08,533 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 [2024-11-22 10:10:08,535 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 10:10:08,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 10:10:08,536 INFO L85 PathProgramCache]: Analyzing trace with hash 925118552, now seen corresponding path program 1 times [2024-11-22 10:10:08,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 10:10:08,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1913136094] [2024-11-22 10:10:08,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 10:10:08,537 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 [2024-11-22 10:10:08,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 10:10:08,541 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) [2024-11-22 10:10:08,543 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 [2024-11-22 10:10:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 10:10:08,763 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-22 10:10:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 10:10:08,912 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2024-11-22 10:10:08,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1626617041] [2024-11-22 10:10:08,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 10:10:08,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-22 10:10:08,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-22 10:10:08,918 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-22 10:10:08,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-22 10:10:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 10:10:09,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-22 10:10:09,389 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 10:10:54,188 WARN L286 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-22 10:11:00,715 WARN L286 SmtUtils]: Spent 6.53s on a formula simplification that was a NOOP. DAG size: 17 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-22 10:11:08,934 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-22 10:11:17,014 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-22 10:11:24,418 WARN L286 SmtUtils]: Spent 5.95s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)