./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-67.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-67.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 0f345c9368439d50a8cf63608ba7de35a292fc0f8aa5f6f836e3b6ffd1ec671a --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 10:56:02,037 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 10:56:02,112 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 10:56:02,115 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 10:56:02,118 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 10:56:02,136 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 10:56:02,137 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 10:56:02,137 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 10:56:02,137 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 10:56:02,137 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 10:56:02,138 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 10:56:02,138 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 10:56:02,138 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 10:56:02,139 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 10:56:02,139 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 10:56:02,139 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 10:56:02,139 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 10:56:02,140 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 10:56:02,140 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 10:56:02,140 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 10:56:02,140 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 10:56:02,141 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 10:56:02,142 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 10:56:02,142 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 10:56:02,142 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 10:56:02,142 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 10:56:02,142 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 10:56:02,142 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 10:56:02,143 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 10:56:02,143 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 10:56:02,143 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 10:56:02,143 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 10:56:02,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 10:56:02,144 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 10:56:02,144 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 10:56:02,144 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 10:56:02,144 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 10:56:02,144 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 10:56:02,144 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 10:56:02,145 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 10:56:02,145 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 10:56:02,149 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 10:56:02,149 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f345c9368439d50a8cf63608ba7de35a292fc0f8aa5f6f836e3b6ffd1ec671a [2024-10-14 10:56:02,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 10:56:02,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 10:56:02,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 10:56:02,385 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 10:56:02,385 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 10:56:02,386 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-67.i [2024-10-14 10:56:03,655 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 10:56:03,814 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 10:56:03,814 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-67.i [2024-10-14 10:56:03,823 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10771a31f/2d30bb7e4d4d4d9994b8029606ef7899/FLAGaace08df1 [2024-10-14 10:56:03,836 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10771a31f/2d30bb7e4d4d4d9994b8029606ef7899 [2024-10-14 10:56:03,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 10:56:03,839 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 10:56:03,840 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 10:56:03,840 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 10:56:03,844 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 10:56:03,844 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:56:03" (1/1) ... [2024-10-14 10:56:03,845 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a87fee6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:56:03, skipping insertion in model container [2024-10-14 10:56:03,845 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:56:03" (1/1) ... [2024-10-14 10:56:03,864 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 10:56:03,985 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-67.i[917,930] [2024-10-14 10:56:04,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 10:56:04,049 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 10:56:04,059 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-67.i[917,930] [2024-10-14 10:56:04,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 10:56:04,094 INFO L204 MainTranslator]: Completed translation [2024-10-14 10:56:04,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:56:04 WrapperNode [2024-10-14 10:56:04,094 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 10:56:04,095 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 10:56:04,095 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 10:56:04,095 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 10:56:04,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:56:04" (1/1) ... [2024-10-14 10:56:04,108 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:56:04" (1/1) ... [2024-10-14 10:56:04,145 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 122 [2024-10-14 10:56:04,145 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 10:56:04,146 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 10:56:04,146 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 10:56:04,146 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 10:56:04,160 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:56:04" (1/1) ... [2024-10-14 10:56:04,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:56:04" (1/1) ... [2024-10-14 10:56:04,162 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:56:04" (1/1) ... [2024-10-14 10:56:04,173 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 10:56:04,173 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:56:04" (1/1) ... [2024-10-14 10:56:04,173 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:56:04" (1/1) ... [2024-10-14 10:56:04,179 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:56:04" (1/1) ... [2024-10-14 10:56:04,181 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:56:04" (1/1) ... [2024-10-14 10:56:04,183 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:56:04" (1/1) ... [2024-10-14 10:56:04,184 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:56:04" (1/1) ... [2024-10-14 10:56:04,185 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 10:56:04,186 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 10:56:04,186 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 10:56:04,186 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 10:56:04,187 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:56:04" (1/1) ... [2024-10-14 10:56:04,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 10:56:04,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 10:56:04,222 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 10:56:04,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 10:56:04,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 10:56:04,266 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 10:56:04,267 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 10:56:04,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 10:56:04,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 10:56:04,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 10:56:04,333 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 10:56:04,335 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 10:56:04,575 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-14 10:56:04,576 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 10:56:04,617 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 10:56:04,618 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 10:56:04,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:56:04 BoogieIcfgContainer [2024-10-14 10:56:04,618 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 10:56:04,620 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 10:56:04,620 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 10:56:04,623 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 10:56:04,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:56:03" (1/3) ... [2024-10-14 10:56:04,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6172103a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:56:04, skipping insertion in model container [2024-10-14 10:56:04,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:56:04" (2/3) ... [2024-10-14 10:56:04,624 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6172103a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:56:04, skipping insertion in model container [2024-10-14 10:56:04,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:56:04" (3/3) ... [2024-10-14 10:56:04,625 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-67.i [2024-10-14 10:56:04,638 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 10:56:04,638 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 10:56:04,686 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 10:56:04,691 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;@627edb7c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 10:56:04,692 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 10:56:04,695 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 31 states have internal predecessors, (43), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-14 10:56:04,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-14 10:56:04,703 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:56:04,703 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:56:04,703 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:56:04,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:56:04,707 INFO L85 PathProgramCache]: Analyzing trace with hash 254863958, now seen corresponding path program 1 times [2024-10-14 10:56:04,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:56:04,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371479030] [2024-10-14 10:56:04,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:56:04,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:56:04,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:56:04,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:56:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:56:04,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:56:04,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:56:04,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:56:04,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:56:04,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:56:04,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:56:04,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:56:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:56:04,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:56:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:56:04,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:56:04,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:56:04,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:56:04,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:56:04,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:56:04,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:56:04,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:56:04,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:56:04,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 10:56:04,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:56:04,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:56:04,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:56:04,932 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-14 10:56:04,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:56:04,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371479030] [2024-10-14 10:56:04,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371479030] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:56:04,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:56:04,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 10:56:04,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081563716] [2024-10-14 10:56:04,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:56:04,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 10:56:04,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:56:04,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 10:56:04,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 10:56:04,962 INFO L87 Difference]: Start difference. First operand has 45 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 31 states have internal predecessors, (43), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 10:56:04,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:56:04,992 INFO L93 Difference]: Finished difference Result 87 states and 144 transitions. [2024-10-14 10:56:04,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 10:56:04,995 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 79 [2024-10-14 10:56:05,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:56:05,015 INFO L225 Difference]: With dead ends: 87 [2024-10-14 10:56:05,016 INFO L226 Difference]: Without dead ends: 43 [2024-10-14 10:56:05,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 10:56:05,027 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 10:56:05,028 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 59 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 10:56:05,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-10-14 10:56:05,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-10-14 10:56:05,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 29 states have internal predecessors, (38), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-14 10:56:05,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 62 transitions. [2024-10-14 10:56:05,076 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 62 transitions. Word has length 79 [2024-10-14 10:56:05,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:56:05,077 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 62 transitions. [2024-10-14 10:56:05,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 10:56:05,077 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 62 transitions. [2024-10-14 10:56:05,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-14 10:56:05,079 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:56:05,079 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:56:05,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 10:56:05,079 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:56:05,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:56:05,080 INFO L85 PathProgramCache]: Analyzing trace with hash -988983142, now seen corresponding path program 1 times [2024-10-14 10:56:05,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:56:05,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78491502] [2024-10-14 10:56:05,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:56:05,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:56:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:56:05,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:56:05,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:56:05,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:56:05,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:56:05,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:56:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:56:05,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:56:05,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:56:05,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:56:05,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:56:05,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:56:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:56:05,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:56:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:56:05,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:56:05,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:56:05,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:56:05,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:56:05,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:56:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:56:05,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 10:56:05,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:56:05,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:56:05,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:56:05,443 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-14 10:56:05,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:56:05,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78491502] [2024-10-14 10:56:05,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78491502] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:56:05,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:56:05,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 10:56:05,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13551937] [2024-10-14 10:56:05,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:56:05,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 10:56:05,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:56:05,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 10:56:05,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 10:56:05,449 INFO L87 Difference]: Start difference. First operand 43 states and 62 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-10-14 10:56:05,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:56:05,546 INFO L93 Difference]: Finished difference Result 86 states and 124 transitions. [2024-10-14 10:56:05,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 10:56:05,547 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 79 [2024-10-14 10:56:05,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:56:05,548 INFO L225 Difference]: With dead ends: 86 [2024-10-14 10:56:05,548 INFO L226 Difference]: Without dead ends: 44 [2024-10-14 10:56:05,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 10:56:05,550 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 19 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 10:56:05,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 118 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 10:56:05,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-10-14 10:56:05,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43. [2024-10-14 10:56:05,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 29 states have internal predecessors, (37), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-14 10:56:05,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2024-10-14 10:56:05,562 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 79 [2024-10-14 10:56:05,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:56:05,564 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2024-10-14 10:56:05,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-10-14 10:56:05,565 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2024-10-14 10:56:05,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-14 10:56:05,567 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:56:05,567 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:56:05,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 10:56:05,568 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:56:05,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:56:05,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1573410593, now seen corresponding path program 1 times [2024-10-14 10:56:05,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:56:05,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825825630] [2024-10-14 10:56:05,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:56:05,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:56:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 10:56:05,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1929877511] [2024-10-14 10:56:05,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:56:05,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 10:56:05,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 10:56:05,702 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) [2024-10-14 10:56:05,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 10:56:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 10:56:05,803 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 10:56:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 10:56:05,887 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-14 10:56:05,887 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 10:56:05,888 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-14 10:56:05,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-14 10:56:06,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 10:56:06,093 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-14 10:56:06,153 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 10:56:06,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 10:56:06 BoogieIcfgContainer [2024-10-14 10:56:06,158 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 10:56:06,158 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 10:56:06,158 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 10:56:06,158 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 10:56:06,159 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:56:04" (3/4) ... [2024-10-14 10:56:06,160 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-14 10:56:06,161 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 10:56:06,163 INFO L158 Benchmark]: Toolchain (without parser) took 2322.40ms. Allocated memory is still 180.4MB. Free memory was 110.9MB in the beginning and 123.0MB in the end (delta: -12.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 10:56:06,163 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 104.9MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 10:56:06,163 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.50ms. Allocated memory is still 180.4MB. Free memory was 110.7MB in the beginning and 97.4MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-14 10:56:06,164 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.05ms. Allocated memory is still 180.4MB. Free memory was 97.4MB in the beginning and 151.9MB in the end (delta: -54.5MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2024-10-14 10:56:06,164 INFO L158 Benchmark]: Boogie Preprocessor took 39.74ms. Allocated memory is still 180.4MB. Free memory was 151.9MB in the beginning and 148.7MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 10:56:06,164 INFO L158 Benchmark]: RCFGBuilder took 432.40ms. Allocated memory is still 180.4MB. Free memory was 148.7MB in the beginning and 129.7MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-14 10:56:06,164 INFO L158 Benchmark]: TraceAbstraction took 1537.45ms. Allocated memory is still 180.4MB. Free memory was 128.8MB in the beginning and 124.0MB in the end (delta: 4.8MB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. [2024-10-14 10:56:06,165 INFO L158 Benchmark]: Witness Printer took 3.25ms. Allocated memory is still 180.4MB. Free memory was 124.0MB in the beginning and 123.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 10:56:06,168 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 104.9MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.50ms. Allocated memory is still 180.4MB. Free memory was 110.7MB in the beginning and 97.4MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.05ms. Allocated memory is still 180.4MB. Free memory was 97.4MB in the beginning and 151.9MB in the end (delta: -54.5MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.74ms. Allocated memory is still 180.4MB. Free memory was 151.9MB in the beginning and 148.7MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 432.40ms. Allocated memory is still 180.4MB. Free memory was 148.7MB in the beginning and 129.7MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1537.45ms. Allocated memory is still 180.4MB. Free memory was 128.8MB in the beginning and 124.0MB in the end (delta: 4.8MB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. * Witness Printer took 3.25ms. Allocated memory is still 180.4MB. Free memory was 124.0MB in the beginning and 123.0MB 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 someBinaryFLOATComparisonOperation at line 94, overapproximation of someBinaryDOUBLEComparisonOperation at line 94. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 2; [L23] signed short int var_1_4 = -64; [L24] signed short int var_1_5 = 256; [L25] unsigned short int var_1_6 = 128; [L26] unsigned short int var_1_7 = 256; [L27] signed long int var_1_8 = 50; [L28] unsigned char var_1_9 = 0; [L29] signed long int var_1_10 = -4; [L30] float var_1_11 = 15.125; [L31] float var_1_12 = 0.9; [L32] double var_1_13 = 25.875; [L33] unsigned short int var_1_14 = 50; [L34] signed short int last_1_var_1_1 = 2; [L35] unsigned short int last_1_var_1_6 = 128; [L36] signed long int last_1_var_1_8 = 50; [L98] isInitial = 1 [L99] FCALL initially() [L100] COND TRUE 1 [L101] CALL updateLastVariables() [L89] last_1_var_1_1 = var_1_1 [L90] last_1_var_1_6 = var_1_6 [L91] last_1_var_1_8 = var_1_8 [L101] RET updateLastVariables() [L102] CALL updateVariables() [L69] var_1_4 = __VERIFIER_nondet_short() [L70] CALL assume_abort_if_not(var_1_4 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=256, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=256, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L70] RET assume_abort_if_not(var_1_4 >= -16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=256, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L71] CALL assume_abort_if_not(var_1_4 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=256, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=256, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L71] RET assume_abort_if_not(var_1_4 <= 16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=256, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L72] var_1_5 = __VERIFIER_nondet_short() [L73] CALL assume_abort_if_not(var_1_5 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L73] RET assume_abort_if_not(var_1_5 >= -16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L74] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L74] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L75] var_1_7 = __VERIFIER_nondet_ushort() [L76] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_8=50, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_8=50, var_1_9=0] [L76] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_8=50, var_1_9=0] [L77] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=32767, var_1_8=50, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=32767, var_1_8=50, var_1_9=0] [L77] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=32767, var_1_8=50, var_1_9=0] [L78] var_1_9 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=32767, var_1_8=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=32767, var_1_8=50] [L79] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=32767, var_1_8=50] [L80] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=32767, var_1_8=50, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=32767, var_1_8=50, var_1_9=1] [L80] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=32767, var_1_8=50, var_1_9=1] [L81] var_1_10 = __VERIFIER_nondet_long() [L82] CALL assume_abort_if_not(var_1_10 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=2, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=32767, var_1_8=50, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=2, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=32767, var_1_8=50, var_1_9=1] [L82] RET assume_abort_if_not(var_1_10 >= -2147483648) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=2, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=32767, var_1_8=50, var_1_9=1] [L83] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=2, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=32767, var_1_8=50, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=2, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=32767, var_1_8=50, var_1_9=1] [L83] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=2, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=32767, var_1_8=50, var_1_9=1] [L84] CALL assume_abort_if_not(var_1_10 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=2, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=32767, var_1_8=50, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=2, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=32767, var_1_8=50, var_1_9=1] [L84] RET assume_abort_if_not(var_1_10 != 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=2, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=32767, var_1_8=50, var_1_9=1] [L85] var_1_12 = __VERIFIER_nondet_float() [L86] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=2, var_1_11=121/8, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=32767, var_1_8=50, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=2, var_1_11=121/8, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=32767, var_1_8=50, var_1_9=1] [L86] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=2, var_1_11=121/8, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=32767, var_1_8=50, var_1_9=1] [L102] RET updateVariables() [L103] CALL step() [L40] COND TRUE ! (last_1_var_1_6 <= last_1_var_1_1) [L41] var_1_1 = (var_1_4 + var_1_5) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=2, var_1_11=121/8, var_1_13=207/8, var_1_14=50, var_1_1=0, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=32767, var_1_8=50, var_1_9=1] [L43] signed long int stepLocal_0 = 1 * var_1_4; VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, stepLocal_0=-1, var_1_10=2, var_1_11=121/8, var_1_13=207/8, var_1_14=50, var_1_1=0, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=32767, var_1_8=50, var_1_9=1] [L44] EXPR var_1_1 >> var_1_5 VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, stepLocal_0=-1, var_1_10=2, var_1_11=121/8, var_1_13=207/8, var_1_14=50, var_1_1=0, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=32767, var_1_8=50, var_1_9=1] [L44] COND TRUE (var_1_1 >> var_1_5) > stepLocal_0 [L45] var_1_6 = (((((42286 - var_1_7)) > (0)) ? ((42286 - var_1_7)) : (0))) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=2, var_1_11=121/8, var_1_13=207/8, var_1_14=50, var_1_1=0, var_1_4=-1, var_1_5=1, var_1_6=9519, var_1_7=32767, var_1_8=50, var_1_9=1] [L49] var_1_11 = var_1_12 [L50] var_1_13 = var_1_12 [L51] var_1_14 = var_1_7 [L52] signed long int stepLocal_2 = var_1_4 / var_1_10; [L53] unsigned short int stepLocal_1 = var_1_7; VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, stepLocal_1=32767, stepLocal_2=0, var_1_10=2, var_1_11=2, var_1_12=2, var_1_13=2, var_1_14=32767, var_1_1=0, var_1_4=-1, var_1_5=1, var_1_6=9519, var_1_7=32767, var_1_8=50, var_1_9=1] [L54] COND TRUE \read(var_1_9) [L55] var_1_8 = ((((var_1_6) < (last_1_var_1_8)) ? (var_1_6) : (last_1_var_1_8))) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, stepLocal_1=32767, stepLocal_2=0, var_1_10=2, var_1_11=2, var_1_12=2, var_1_13=2, var_1_14=32767, var_1_1=0, var_1_4=-1, var_1_5=1, var_1_6=9519, var_1_7=32767, var_1_8=50, var_1_9=1] [L103] RET step() [L104] CALL, EXPR property() [L94] EXPR ((! (last_1_var_1_6 <= last_1_var_1_1)) ? (var_1_1 == ((signed short int) (var_1_4 + var_1_5))) : 1) && (((var_1_1 >> var_1_5) > (1 * var_1_4)) ? (var_1_6 == ((unsigned short int) (((((42286 - var_1_7)) > (0)) ? ((42286 - var_1_7)) : (0))))) : (var_1_6 == ((unsigned short int) var_1_7))) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=2, var_1_11=2, var_1_12=2, var_1_13=2, var_1_14=32767, var_1_1=0, var_1_4=-1, var_1_5=1, var_1_6=9519, var_1_7=32767, var_1_8=50, var_1_9=1] [L94] EXPR var_1_1 >> var_1_5 VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=2, var_1_11=2, var_1_12=2, var_1_13=2, var_1_14=32767, var_1_1=0, var_1_4=-1, var_1_5=1, var_1_6=9519, var_1_7=32767, var_1_8=50, var_1_9=1] [L94] EXPR ((! (last_1_var_1_6 <= last_1_var_1_1)) ? (var_1_1 == ((signed short int) (var_1_4 + var_1_5))) : 1) && (((var_1_1 >> var_1_5) > (1 * var_1_4)) ? (var_1_6 == ((unsigned short int) (((((42286 - var_1_7)) > (0)) ? ((42286 - var_1_7)) : (0))))) : (var_1_6 == ((unsigned short int) var_1_7))) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=2, var_1_11=2, var_1_12=2, var_1_13=2, var_1_14=32767, var_1_1=0, var_1_4=-1, var_1_5=1, var_1_6=9519, var_1_7=32767, var_1_8=50, var_1_9=1] [L94-L95] return ((((((! (last_1_var_1_6 <= last_1_var_1_1)) ? (var_1_1 == ((signed short int) (var_1_4 + var_1_5))) : 1) && (((var_1_1 >> var_1_5) > (1 * var_1_4)) ? (var_1_6 == ((unsigned short int) (((((42286 - var_1_7)) > (0)) ? ((42286 - var_1_7)) : (0))))) : (var_1_6 == ((unsigned short int) var_1_7)))) && (var_1_9 ? (var_1_8 == ((signed long int) ((((var_1_6) < (last_1_var_1_8)) ? (var_1_6) : (last_1_var_1_8))))) : ((var_1_14 > (var_1_4 / var_1_10)) ? ((var_1_7 > var_1_6) ? (var_1_8 == ((signed long int) ((((var_1_4) < (100)) ? (var_1_4) : (100))))) : (var_1_8 == ((signed long int) (last_1_var_1_8 - var_1_7)))) : (var_1_8 == ((signed long int) (var_1_6 + var_1_5)))))) && (var_1_11 == ((float) var_1_12))) && (var_1_13 == ((double) var_1_12))) && (var_1_14 == ((unsigned short int) var_1_7)) ; [L104] RET, EXPR property() [L104] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=2, var_1_11=2, var_1_12=2, var_1_13=2, var_1_14=32767, var_1_1=0, var_1_4=-1, var_1_5=1, var_1_6=9519, var_1_7=32767, var_1_8=50, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=2, var_1_11=2, var_1_12=2, var_1_13=2, var_1_14=32767, var_1_1=0, var_1_4=-1, var_1_5=1, var_1_6=9519, var_1_7=32767, var_1_8=50, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 177 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 73 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 44 IncrementalHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 104 mSDtfsCounter, 44 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 320 NumberOfCodeBlocks, 320 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 156 ConstructedInterpolants, 0 QuantifiedInterpolants, 546 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 528/528 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-14 10:56:06,195 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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-67.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 0f345c9368439d50a8cf63608ba7de35a292fc0f8aa5f6f836e3b6ffd1ec671a --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 10:56:07,973 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 10:56:08,032 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-14 10:56:08,038 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 10:56:08,039 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 10:56:08,062 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 10:56:08,063 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 10:56:08,063 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 10:56:08,064 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 10:56:08,064 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 10:56:08,064 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 10:56:08,065 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 10:56:08,065 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 10:56:08,065 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 10:56:08,066 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 10:56:08,066 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 10:56:08,066 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 10:56:08,066 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 10:56:08,067 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 10:56:08,067 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 10:56:08,068 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 10:56:08,069 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 10:56:08,069 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 10:56:08,069 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 10:56:08,069 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-14 10:56:08,069 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 10:56:08,070 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-14 10:56:08,070 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 10:56:08,070 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 10:56:08,070 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 10:56:08,070 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 10:56:08,071 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 10:56:08,071 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 10:56:08,071 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 10:56:08,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 10:56:08,074 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 10:56:08,074 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 10:56:08,075 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 10:56:08,075 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-14 10:56:08,075 INFO L153 SettingsManager]: * Command for external solver=cvc5 --incremental --print-success --lang smt [2024-10-14 10:56:08,075 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 10:56:08,075 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 10:56:08,076 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 10:56:08,076 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 10:56:08,076 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-14 10:56:08,076 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f345c9368439d50a8cf63608ba7de35a292fc0f8aa5f6f836e3b6ffd1ec671a [2024-10-14 10:56:08,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 10:56:08,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 10:56:08,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 10:56:08,347 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 10:56:08,347 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 10:56:08,348 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-67.i [2024-10-14 10:56:09,614 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 10:56:09,787 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 10:56:09,787 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-67.i [2024-10-14 10:56:09,795 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdee8ae2d/cb291a8f65714945a0c33575871823de/FLAGf3f025b3a [2024-10-14 10:56:10,164 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdee8ae2d/cb291a8f65714945a0c33575871823de [2024-10-14 10:56:10,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 10:56:10,167 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 10:56:10,168 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 10:56:10,168 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 10:56:10,174 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 10:56:10,174 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:56:10" (1/1) ... [2024-10-14 10:56:10,176 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67df39c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:56:10, skipping insertion in model container [2024-10-14 10:56:10,176 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:56:10" (1/1) ... [2024-10-14 10:56:10,194 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 10:56:10,320 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-67.i[917,930] [2024-10-14 10:56:10,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 10:56:10,381 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 10:56:10,393 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-67.i[917,930] [2024-10-14 10:56:10,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 10:56:10,429 INFO L204 MainTranslator]: Completed translation [2024-10-14 10:56:10,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:56:10 WrapperNode [2024-10-14 10:56:10,430 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 10:56:10,431 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 10:56:10,431 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 10:56:10,431 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 10:56:10,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:56:10" (1/1) ... [2024-10-14 10:56:10,447 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:56:10" (1/1) ... [2024-10-14 10:56:10,468 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 100 [2024-10-14 10:56:10,469 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 10:56:10,470 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 10:56:10,470 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 10:56:10,470 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 10:56:10,478 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:56:10" (1/1) ... [2024-10-14 10:56:10,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:56:10" (1/1) ... [2024-10-14 10:56:10,482 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:56:10" (1/1) ... [2024-10-14 10:56:10,497 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 10:56:10,497 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:56:10" (1/1) ... [2024-10-14 10:56:10,497 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:56:10" (1/1) ... [2024-10-14 10:56:10,509 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:56:10" (1/1) ... [2024-10-14 10:56:10,512 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:56:10" (1/1) ... [2024-10-14 10:56:10,514 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:56:10" (1/1) ... [2024-10-14 10:56:10,518 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:56:10" (1/1) ... [2024-10-14 10:56:10,520 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 10:56:10,525 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 10:56:10,525 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 10:56:10,525 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 10:56:10,526 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:56:10" (1/1) ... [2024-10-14 10:56:10,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 10:56:10,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 10:56:10,568 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 10:56:10,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 10:56:10,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 10:56:10,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-14 10:56:10,610 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 10:56:10,610 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 10:56:10,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 10:56:10,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 10:56:10,680 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 10:56:10,682 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 10:56:11,089 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-14 10:56:11,089 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 10:56:11,135 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 10:56:11,136 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 10:56:11,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:56:11 BoogieIcfgContainer [2024-10-14 10:56:11,136 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 10:56:11,138 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 10:56:11,139 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 10:56:11,142 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 10:56:11,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:56:10" (1/3) ... [2024-10-14 10:56:11,143 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ec97ec6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:56:11, skipping insertion in model container [2024-10-14 10:56:11,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:56:10" (2/3) ... [2024-10-14 10:56:11,143 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ec97ec6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:56:11, skipping insertion in model container [2024-10-14 10:56:11,144 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:56:11" (3/3) ... [2024-10-14 10:56:11,145 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-67.i [2024-10-14 10:56:11,160 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 10:56:11,160 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 10:56:11,209 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 10:56:11,215 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;@37d7bf15, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 10:56:11,216 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 10:56:11,220 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 23 states have (on average 1.434782608695652) internal successors, (33), 24 states have internal predecessors, (33), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-14 10:56:11,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-14 10:56:11,228 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:56:11,228 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:56:11,229 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:56:11,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:56:11,235 INFO L85 PathProgramCache]: Analyzing trace with hash -311353150, now seen corresponding path program 1 times [2024-10-14 10:56:11,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 10:56:11,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [182609466] [2024-10-14 10:56:11,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:56:11,247 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 10:56:11,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 10:56:11,250 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 10:56:11,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-14 10:56:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:56:11,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-14 10:56:11,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 10:56:11,467 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-10-14 10:56:11,467 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 10:56:11,467 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 10:56:11,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [182609466] [2024-10-14 10:56:11,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [182609466] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:56:11,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:56:11,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 10:56:11,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273032809] [2024-10-14 10:56:11,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:56:11,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 10:56:11,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 10:56:11,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 10:56:11,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 10:56:11,495 INFO L87 Difference]: Start difference. First operand has 38 states, 23 states have (on average 1.434782608695652) internal successors, (33), 24 states have internal predecessors, (33), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 10:56:11,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:56:11,623 INFO L93 Difference]: Finished difference Result 73 states and 124 transitions. [2024-10-14 10:56:11,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 10:56:11,632 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 76 [2024-10-14 10:56:11,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:56:11,638 INFO L225 Difference]: With dead ends: 73 [2024-10-14 10:56:11,639 INFO L226 Difference]: Without dead ends: 36 [2024-10-14 10:56:11,641 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 10:56:11,646 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 10:56:11,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 49 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 10:56:11,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-10-14 10:56:11,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-10-14 10:56:11,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 22 states have internal predecessors, (28), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-14 10:56:11,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 52 transitions. [2024-10-14 10:56:11,682 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 52 transitions. Word has length 76 [2024-10-14 10:56:11,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:56:11,683 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 52 transitions. [2024-10-14 10:56:11,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-14 10:56:11,683 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2024-10-14 10:56:11,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-14 10:56:11,686 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:56:11,686 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:56:11,694 INFO L540 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)] Forceful destruction successful, exit code 0 [2024-10-14 10:56:11,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 10:56:11,887 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:56:11,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:56:11,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1413742846, now seen corresponding path program 1 times [2024-10-14 10:56:11,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 10:56:11,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2046583001] [2024-10-14 10:56:11,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:56:11,889 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 10:56:11,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 10:56:11,892 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 10:56:11,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-14 10:56:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:56:12,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-14 10:56:12,032 INFO L278 TraceCheckSpWp]: Computing forward predicates...