./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-94.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-94.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 f1c78a4e63f7f3584f769e26e6cb36f876487b10e0fb4a737f3e2bfaf22c68fa --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 08:50:50,160 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 08:50:50,242 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 08:50:50,248 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 08:50:50,249 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 08:50:50,277 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 08:50:50,277 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 08:50:50,278 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 08:50:50,279 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 08:50:50,279 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 08:50:50,279 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 08:50:50,280 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 08:50:50,280 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 08:50:50,281 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 08:50:50,282 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 08:50:50,282 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 08:50:50,283 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 08:50:50,283 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 08:50:50,283 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 08:50:50,284 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 08:50:50,284 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 08:50:50,286 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 08:50:50,287 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 08:50:50,287 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 08:50:50,287 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 08:50:50,287 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 08:50:50,287 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 08:50:50,288 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 08:50:50,288 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 08:50:50,288 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 08:50:50,288 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 08:50:50,289 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 08:50:50,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:50:50,289 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 08:50:50,289 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 08:50:50,289 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 08:50:50,290 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 08:50:50,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 08:50:50,290 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 08:50:50,291 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 08:50:50,291 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 08:50:50,292 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 08:50:50,292 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1c78a4e63f7f3584f769e26e6cb36f876487b10e0fb4a737f3e2bfaf22c68fa [2024-10-24 08:50:50,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 08:50:50,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 08:50:50,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 08:50:50,569 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 08:50:50,570 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 08:50:50,571 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-94.i [2024-10-24 08:50:52,040 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 08:50:52,235 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 08:50:52,236 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-94.i [2024-10-24 08:50:52,245 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dc767e3e/7c0b7c7e288c4b498c47bf3a3a82d135/FLAG7d1fc22d8 [2024-10-24 08:50:52,624 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dc767e3e/7c0b7c7e288c4b498c47bf3a3a82d135 [2024-10-24 08:50:52,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 08:50:52,627 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 08:50:52,628 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 08:50:52,628 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 08:50:52,636 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 08:50:52,636 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:50:52" (1/1) ... [2024-10-24 08:50:52,637 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61d42ad3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:50:52, skipping insertion in model container [2024-10-24 08:50:52,640 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:50:52" (1/1) ... [2024-10-24 08:50:52,668 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 08:50:52,893 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-94.i[917,930] [2024-10-24 08:50:52,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:50:52,993 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 08:50:53,008 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-94.i[917,930] [2024-10-24 08:50:53,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:50:53,057 INFO L204 MainTranslator]: Completed translation [2024-10-24 08:50:53,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:50:53 WrapperNode [2024-10-24 08:50:53,058 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 08:50:53,059 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 08:50:53,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 08:50:53,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 08:50:53,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:50:53" (1/1) ... [2024-10-24 08:50:53,075 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:50:53" (1/1) ... [2024-10-24 08:50:53,111 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 143 [2024-10-24 08:50:53,112 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 08:50:53,117 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 08:50:53,117 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 08:50:53,117 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 08:50:53,128 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:50:53" (1/1) ... [2024-10-24 08:50:53,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:50:53" (1/1) ... [2024-10-24 08:50:53,131 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:50:53" (1/1) ... [2024-10-24 08:50:53,150 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 08:50:53,151 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:50:53" (1/1) ... [2024-10-24 08:50:53,151 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:50:53" (1/1) ... [2024-10-24 08:50:53,158 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:50:53" (1/1) ... [2024-10-24 08:50:53,161 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:50:53" (1/1) ... [2024-10-24 08:50:53,162 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:50:53" (1/1) ... [2024-10-24 08:50:53,163 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:50:53" (1/1) ... [2024-10-24 08:50:53,168 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 08:50:53,169 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 08:50:53,169 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 08:50:53,169 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 08:50:53,173 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:50:53" (1/1) ... [2024-10-24 08:50:53,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:50:53,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 08:50:53,215 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 08:50:53,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 08:50:53,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 08:50:53,263 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 08:50:53,263 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 08:50:53,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 08:50:53,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 08:50:53,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 08:50:53,345 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 08:50:53,348 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 08:50:53,689 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-24 08:50:53,690 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 08:50:53,742 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 08:50:53,742 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 08:50:53,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:50:53 BoogieIcfgContainer [2024-10-24 08:50:53,743 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 08:50:53,745 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 08:50:53,746 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 08:50:53,749 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 08:50:53,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:50:52" (1/3) ... [2024-10-24 08:50:53,750 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62061f9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:50:53, skipping insertion in model container [2024-10-24 08:50:53,750 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:50:53" (2/3) ... [2024-10-24 08:50:53,750 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62061f9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:50:53, skipping insertion in model container [2024-10-24 08:50:53,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:50:53" (3/3) ... [2024-10-24 08:50:53,752 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-94.i [2024-10-24 08:50:53,764 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 08:50:53,765 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 08:50:53,821 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 08:50:53,829 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;@cb73342, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 08:50:53,829 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 08:50:53,833 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 states have internal predecessors, (45), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-24 08:50:53,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-24 08:50:53,845 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:50:53,845 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:50:53,846 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:50:53,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:50:53,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1418489882, now seen corresponding path program 1 times [2024-10-24 08:50:53,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:50:53,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958574209] [2024-10-24 08:50:53,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:50:53,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:50:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:50:54,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:50:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:50:54,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 08:50:54,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:50:54,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 08:50:54,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:50:54,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 08:50:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:50:54,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 08:50:54,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:50:54,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 08:50:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:50:54,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 08:50:54,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:50:54,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 08:50:54,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:50:54,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 08:50:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:50:54,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 08:50:54,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:50:54,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 08:50:54,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:50:54,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 08:50:54,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:50:54,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 08:50:54,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:50:54,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 08:50:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:50:54,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 08:50:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:50:54,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 08:50:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:50:54,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 08:50:54,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:50:54,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 08:50:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:50:54,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 08:50:54,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:50:54,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 08:50:54,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:50:54,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 08:50:54,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:50:54,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 08:50:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:50:54,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 08:50:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:50:54,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 08:50:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:50:54,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 08:50:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:50:54,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-10-24 08:50:54,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:50:54,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958574209] [2024-10-24 08:50:54,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958574209] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:50:54,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:50:54,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 08:50:54,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219773156] [2024-10-24 08:50:54,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:50:54,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 08:50:54,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:50:54,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 08:50:54,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:50:54,324 INFO L87 Difference]: Start difference. First operand has 61 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 states have internal predecessors, (45), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-10-24 08:50:54,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:50:54,378 INFO L93 Difference]: Finished difference Result 119 states and 213 transitions. [2024-10-24 08:50:54,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 08:50:54,382 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) Word has length 150 [2024-10-24 08:50:54,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:50:54,390 INFO L225 Difference]: With dead ends: 119 [2024-10-24 08:50:54,390 INFO L226 Difference]: Without dead ends: 59 [2024-10-24 08:50:54,395 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:50:54,398 INFO L432 NwaCegarLoop]: 87 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, 87 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 08:50:54,400 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 08:50:54,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-10-24 08:50:54,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-10-24 08:50:54,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-24 08:50:54,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 90 transitions. [2024-10-24 08:50:54,457 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 90 transitions. Word has length 150 [2024-10-24 08:50:54,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:50:54,458 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 90 transitions. [2024-10-24 08:50:54,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-10-24 08:50:54,458 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 90 transitions. [2024-10-24 08:50:54,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-24 08:50:54,463 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:50:54,464 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:50:54,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 08:50:54,464 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:50:54,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:50:54,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1805693360, now seen corresponding path program 1 times [2024-10-24 08:50:54,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:50:54,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053053409] [2024-10-24 08:50:54,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:50:54,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:50:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 08:50:54,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [958904612] [2024-10-24 08:50:54,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:50:54,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 08:50:54,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 08:50:54,691 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) [2024-10-24 08:50:54,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 08:50:54,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 08:50:54,898 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 08:50:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 08:50:55,049 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 08:50:55,050 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 08:50:55,051 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-24 08:50:55,074 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-24 08:50:55,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 08:50:55,262 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-24 08:50:55,385 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 08:50:55,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 08:50:55 BoogieIcfgContainer [2024-10-24 08:50:55,393 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 08:50:55,394 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 08:50:55,394 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 08:50:55,394 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 08:50:55,395 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:50:53" (3/4) ... [2024-10-24 08:50:55,397 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 08:50:55,402 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 08:50:55,403 INFO L158 Benchmark]: Toolchain (without parser) took 2775.45ms. Allocated memory is still 172.0MB. Free memory was 103.7MB in the beginning and 116.0MB in the end (delta: -12.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 08:50:55,403 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 113.2MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 08:50:55,403 INFO L158 Benchmark]: CACSL2BoogieTranslator took 429.92ms. Allocated memory is still 172.0MB. Free memory was 103.4MB in the beginning and 140.6MB in the end (delta: -37.2MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2024-10-24 08:50:55,404 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.28ms. Allocated memory is still 172.0MB. Free memory was 140.6MB in the beginning and 137.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 08:50:55,404 INFO L158 Benchmark]: Boogie Preprocessor took 51.85ms. Allocated memory is still 172.0MB. Free memory was 137.8MB in the beginning and 134.4MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 08:50:55,404 INFO L158 Benchmark]: RCFGBuilder took 574.14ms. Allocated memory is still 172.0MB. Free memory was 134.4MB in the beginning and 112.7MB in the end (delta: 21.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-24 08:50:55,405 INFO L158 Benchmark]: TraceAbstraction took 1647.58ms. Allocated memory is still 172.0MB. Free memory was 112.0MB in the beginning and 117.0MB in the end (delta: -5.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 08:50:55,408 INFO L158 Benchmark]: Witness Printer took 8.48ms. Allocated memory is still 172.0MB. Free memory was 117.0MB in the beginning and 116.0MB in the end (delta: 998.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 08:50:55,410 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 113.2MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 429.92ms. Allocated memory is still 172.0MB. Free memory was 103.4MB in the beginning and 140.6MB in the end (delta: -37.2MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.28ms. Allocated memory is still 172.0MB. Free memory was 140.6MB in the beginning and 137.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.85ms. Allocated memory is still 172.0MB. Free memory was 137.8MB in the beginning and 134.4MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 574.14ms. Allocated memory is still 172.0MB. Free memory was 134.4MB in the beginning and 112.7MB in the end (delta: 21.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1647.58ms. Allocated memory is still 172.0MB. Free memory was 112.0MB in the beginning and 117.0MB in the end (delta: -5.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.48ms. Allocated memory is still 172.0MB. Free memory was 117.0MB in the beginning and 116.0MB in the end (delta: 998.2kB). 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 115, overapproximation of someBinaryDOUBLEComparisonOperation at line 115, overapproximation of someBinaryArithmeticDOUBLEoperation at line 45. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 63.4; [L23] float var_1_2 = 25.2; [L24] float var_1_3 = 3.75; [L25] double var_1_4 = 0.0; [L26] double var_1_5 = 63.4; [L27] double var_1_6 = 3.7; [L28] unsigned char var_1_7 = 0; [L29] double var_1_8 = 63.75; [L30] unsigned char var_1_9 = 0; [L31] unsigned char var_1_10 = 0; [L32] signed char var_1_11 = -64; [L33] signed char var_1_12 = -32; [L34] signed char var_1_13 = 2; [L35] signed char var_1_14 = -4; [L36] signed char var_1_15 = -25; [L37] signed char var_1_16 = 5; [L38] signed long int var_1_17 = -2; [L39] unsigned char var_1_18 = 2; [L40] unsigned char var_1_19 = 16; [L119] isInitial = 1 [L120] FCALL initially() [L121] COND TRUE 1 [L122] FCALL updateLastVariables() [L123] CALL updateVariables() [L71] var_1_2 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=15/4, var_1_4=0, var_1_5=317/5, var_1_6=37/10, var_1_7=0, var_1_8=255/4, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=15/4, var_1_4=0, var_1_5=317/5, var_1_6=37/10, var_1_7=0, var_1_8=255/4, var_1_9=0] [L72] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=15/4, var_1_4=0, var_1_5=317/5, var_1_6=37/10, var_1_7=0, var_1_8=255/4, var_1_9=0] [L73] var_1_3 = __VERIFIER_nondet_float() [L74] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_4=0, var_1_5=317/5, var_1_6=37/10, var_1_7=0, var_1_8=255/4, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_4=0, var_1_5=317/5, var_1_6=37/10, var_1_7=0, var_1_8=255/4, var_1_9=0] [L74] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_4=0, var_1_5=317/5, var_1_6=37/10, var_1_7=0, var_1_8=255/4, var_1_9=0] [L75] var_1_4 = __VERIFIER_nondet_double() [L76] CALL assume_abort_if_not((var_1_4 >= 4611686.018427382800e+12F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_5=317/5, var_1_6=37/10, var_1_7=0, var_1_8=255/4, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_5=317/5, var_1_6=37/10, var_1_7=0, var_1_8=255/4, var_1_9=0] [L76] RET assume_abort_if_not((var_1_4 >= 4611686.018427382800e+12F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_5=317/5, var_1_6=37/10, var_1_7=0, var_1_8=255/4, var_1_9=0] [L77] var_1_5 = __VERIFIER_nondet_double() [L78] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_6=37/10, var_1_7=0, var_1_8=255/4, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_6=37/10, var_1_7=0, var_1_8=255/4, var_1_9=0] [L78] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_6=37/10, var_1_7=0, var_1_8=255/4, var_1_9=0] [L79] var_1_6 = __VERIFIER_nondet_double() [L80] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_8=255/4, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_8=255/4, var_1_9=0] [L80] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_8=255/4, var_1_9=0] [L81] var_1_8 = __VERIFIER_nondet_double() [L82] CALL assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=0] [L82] RET assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=0] [L83] CALL assume_abort_if_not(var_1_8 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=0] [L83] RET assume_abort_if_not(var_1_8 != 0.0F) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=0] [L84] var_1_9 = __VERIFIER_nondet_uchar() [L85] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L85] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L86] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L86] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L87] var_1_10 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L88] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L89] CALL assume_abort_if_not(var_1_10 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L89] RET assume_abort_if_not(var_1_10 <= 0) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L90] var_1_12 = __VERIFIER_nondet_char() [L91] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L91] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L92] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L92] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L93] var_1_13 = __VERIFIER_nondet_char() [L94] CALL assume_abort_if_not(var_1_13 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L94] RET assume_abort_if_not(var_1_13 >= -63) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L95] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L95] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L96] var_1_14 = __VERIFIER_nondet_char() [L97] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L97] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L98] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L98] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L99] var_1_15 = __VERIFIER_nondet_char() [L100] CALL assume_abort_if_not(var_1_15 >= -31) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L100] RET assume_abort_if_not(var_1_15 >= -31) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L101] CALL assume_abort_if_not(var_1_15 <= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L101] RET assume_abort_if_not(var_1_15 <= 32) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L102] var_1_16 = __VERIFIER_nondet_char() [L103] CALL assume_abort_if_not(var_1_16 >= -31) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L103] RET assume_abort_if_not(var_1_16 >= -31) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L104] CALL assume_abort_if_not(var_1_16 <= 31) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L104] RET assume_abort_if_not(var_1_16 <= 31) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L105] var_1_18 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_18 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-2, var_1_18=1, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-2, var_1_18=1, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L106] RET assume_abort_if_not(var_1_18 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-2, var_1_18=1, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L107] CALL assume_abort_if_not(var_1_18 <= 128) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-2, var_1_18=1, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-2, var_1_18=1, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L107] RET assume_abort_if_not(var_1_18 <= 128) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-2, var_1_18=1, var_1_19=16, var_1_1=317/5, var_1_7=0, var_1_9=1] [L108] var_1_19 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_19 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-2, var_1_18=1, var_1_19=1, var_1_1=317/5, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-2, var_1_18=1, var_1_19=1, var_1_1=317/5, var_1_7=0, var_1_9=1] [L109] RET assume_abort_if_not(var_1_19 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-2, var_1_18=1, var_1_19=1, var_1_1=317/5, var_1_7=0, var_1_9=1] [L110] CALL assume_abort_if_not(var_1_19 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-2, var_1_18=1, var_1_19=1, var_1_1=317/5, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-2, var_1_18=1, var_1_19=1, var_1_1=317/5, var_1_7=0, var_1_9=1] [L110] RET assume_abort_if_not(var_1_19 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-2, var_1_18=1, var_1_19=1, var_1_1=317/5, var_1_7=0, var_1_9=1] [L123] RET updateVariables() [L124] CALL step() [L44] COND TRUE var_1_2 != var_1_3 [L45] var_1_1 = ((var_1_4 - var_1_5) - var_1_6) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-2, var_1_18=1, var_1_19=1, var_1_7=0, var_1_9=1] [L47] COND FALSE !(var_1_5 > (var_1_1 / var_1_4)) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-2, var_1_18=1, var_1_19=1, var_1_7=0, var_1_9=1] [L54] COND TRUE var_1_10 || var_1_9 [L55] var_1_11 = var_1_12 VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-2, var_1_18=1, var_1_19=1, var_1_7=0, var_1_9=1] [L59] signed char stepLocal_0 = var_1_15; VAL [isInitial=1, stepLocal_0=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-2, var_1_18=1, var_1_19=1, var_1_7=0, var_1_9=1] [L60] COND FALSE !(var_1_6 > var_1_5) [L67] var_1_17 = var_1_13 VAL [isInitial=1, stepLocal_0=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_7=0, var_1_9=1] [L124] RET step() [L125] CALL, EXPR property() [L115-L116] return ((((var_1_2 != var_1_3) ? (var_1_1 == ((double) ((var_1_4 - var_1_5) - var_1_6))) : 1) && ((var_1_5 > (var_1_1 / var_1_4)) ? ((var_1_5 > (var_1_4 / var_1_8)) ? (var_1_7 == ((unsigned char) var_1_9)) : (var_1_7 == ((unsigned char) var_1_10))) : 1)) && ((var_1_10 || var_1_9) ? (var_1_11 == ((signed char) var_1_12)) : (var_1_11 == ((signed char) (((((var_1_13) > (var_1_14)) ? (var_1_13) : (var_1_14))) + (var_1_15 + var_1_16)))))) && ((var_1_6 > var_1_5) ? ((var_1_1 != (var_1_4 / var_1_8)) ? (((var_1_11 % (var_1_18 + var_1_19)) > var_1_15) ? (var_1_17 == ((signed long int) -64)) : 1) : 1) : (var_1_17 == ((signed long int) var_1_13))) ; [L125] RET, EXPR property() [L125] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_7=0, var_1_9=1] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_7=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 87 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 87 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 450 NumberOfCodeBlocks, 450 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 149 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 1200/1200 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-24 08:50:55,448 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-94.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 f1c78a4e63f7f3584f769e26e6cb36f876487b10e0fb4a737f3e2bfaf22c68fa --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 08:50:57,692 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 08:50:57,777 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-24 08:50:57,782 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 08:50:57,782 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 08:50:57,812 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 08:50:57,812 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 08:50:57,813 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 08:50:57,813 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 08:50:57,813 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 08:50:57,814 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 08:50:57,815 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 08:50:57,815 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 08:50:57,816 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 08:50:57,816 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 08:50:57,817 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 08:50:57,818 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 08:50:57,818 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 08:50:57,818 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 08:50:57,819 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 08:50:57,819 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 08:50:57,819 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 08:50:57,820 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 08:50:57,820 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 08:50:57,820 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 08:50:57,820 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 08:50:57,821 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 08:50:57,821 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 08:50:57,821 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 08:50:57,821 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 08:50:57,822 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 08:50:57,822 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 08:50:57,822 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 08:50:57,822 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 08:50:57,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:50:57,823 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 08:50:57,823 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 08:50:57,824 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 08:50:57,824 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 08:50:57,824 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 08:50:57,825 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 08:50:57,825 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 08:50:57,825 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 08:50:57,825 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 08:50:57,825 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 08:50:57,825 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1c78a4e63f7f3584f769e26e6cb36f876487b10e0fb4a737f3e2bfaf22c68fa [2024-10-24 08:50:58,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 08:50:58,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 08:50:58,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 08:50:58,198 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 08:50:58,198 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 08:50:58,199 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-94.i [2024-10-24 08:50:59,827 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 08:51:00,048 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 08:51:00,048 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-94.i [2024-10-24 08:51:00,057 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26139ded3/74274a1bfd5c4e13844f31b741cd797e/FLAG9a5402f6e [2024-10-24 08:51:00,069 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26139ded3/74274a1bfd5c4e13844f31b741cd797e [2024-10-24 08:51:00,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 08:51:00,072 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 08:51:00,073 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 08:51:00,074 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 08:51:00,079 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 08:51:00,080 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:51:00" (1/1) ... [2024-10-24 08:51:00,081 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fa3a028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:51:00, skipping insertion in model container [2024-10-24 08:51:00,081 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:51:00" (1/1) ... [2024-10-24 08:51:00,110 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 08:51:00,317 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-94.i[917,930] [2024-10-24 08:51:00,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:51:00,392 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 08:51:00,408 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-94.i[917,930] [2024-10-24 08:51:00,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:51:00,461 INFO L204 MainTranslator]: Completed translation [2024-10-24 08:51:00,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:51:00 WrapperNode [2024-10-24 08:51:00,462 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 08:51:00,463 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 08:51:00,463 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 08:51:00,463 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 08:51:00,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:51:00" (1/1) ... [2024-10-24 08:51:00,488 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:51:00" (1/1) ... [2024-10-24 08:51:00,520 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 138 [2024-10-24 08:51:00,520 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 08:51:00,521 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 08:51:00,522 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 08:51:00,522 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 08:51:00,532 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:51:00" (1/1) ... [2024-10-24 08:51:00,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:51:00" (1/1) ... [2024-10-24 08:51:00,541 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:51:00" (1/1) ... [2024-10-24 08:51:00,563 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 08:51:00,564 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:51:00" (1/1) ... [2024-10-24 08:51:00,564 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:51:00" (1/1) ... [2024-10-24 08:51:00,576 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:51:00" (1/1) ... [2024-10-24 08:51:00,582 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:51:00" (1/1) ... [2024-10-24 08:51:00,584 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:51:00" (1/1) ... [2024-10-24 08:51:00,585 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:51:00" (1/1) ... [2024-10-24 08:51:00,588 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 08:51:00,589 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 08:51:00,589 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 08:51:00,590 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 08:51:00,594 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:51:00" (1/1) ... [2024-10-24 08:51:00,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:51:00,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 08:51:00,628 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 08:51:00,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 08:51:00,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 08:51:00,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-24 08:51:00,681 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 08:51:00,681 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 08:51:00,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 08:51:00,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 08:51:00,774 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 08:51:00,776 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 08:51:23,552 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-24 08:51:23,552 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 08:51:23,620 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 08:51:23,621 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 08:51:23,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:51:23 BoogieIcfgContainer [2024-10-24 08:51:23,621 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 08:51:23,623 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 08:51:23,623 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 08:51:23,627 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 08:51:23,628 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:51:00" (1/3) ... [2024-10-24 08:51:23,628 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14b8e3da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:51:23, skipping insertion in model container [2024-10-24 08:51:23,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:51:00" (2/3) ... [2024-10-24 08:51:23,629 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14b8e3da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:51:23, skipping insertion in model container [2024-10-24 08:51:23,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:51:23" (3/3) ... [2024-10-24 08:51:23,631 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-94.i [2024-10-24 08:51:23,647 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 08:51:23,647 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 08:51:23,728 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 08:51:23,733 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;@60df7c08, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 08:51:23,734 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 08:51:23,738 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 states have internal predecessors, (45), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-24 08:51:23,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-24 08:51:23,751 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:51:23,751 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:51:23,752 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:51:23,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:51:23,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1418489882, now seen corresponding path program 1 times [2024-10-24 08:51:23,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 08:51:23,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [629638292] [2024-10-24 08:51:23,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:51:23,769 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 08:51:23,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 08:51:23,771 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 08:51:23,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-24 08:51:25,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:51:25,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-24 08:51:25,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 08:51:25,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 560 proven. 0 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2024-10-24 08:51:25,264 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 08:51:25,266 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 08:51:25,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [629638292] [2024-10-24 08:51:25,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [629638292] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:51:25,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:51:25,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 08:51:25,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265437682] [2024-10-24 08:51:25,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:51:25,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 08:51:25,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 08:51:25,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 08:51:25,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:51:25,302 INFO L87 Difference]: Start difference. First operand has 61 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 states have internal predecessors, (45), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-10-24 08:51:29,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 08:51:29,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:51:29,775 INFO L93 Difference]: Finished difference Result 119 states and 213 transitions. [2024-10-24 08:51:29,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 08:51:29,924 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 150 [2024-10-24 08:51:29,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:51:29,935 INFO L225 Difference]: With dead ends: 119 [2024-10-24 08:51:29,935 INFO L226 Difference]: Without dead ends: 59 [2024-10-24 08:51:29,938 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:51:29,942 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-10-24 08:51:29,943 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-10-24 08:51:29,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-10-24 08:51:29,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-10-24 08:51:29,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-24 08:51:29,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 90 transitions. [2024-10-24 08:51:29,984 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 90 transitions. Word has length 150 [2024-10-24 08:51:29,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:51:29,985 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 90 transitions. [2024-10-24 08:51:29,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-10-24 08:51:29,985 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 90 transitions. [2024-10-24 08:51:29,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-24 08:51:29,991 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:51:29,991 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:51:30,035 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 [2024-10-24 08:51:30,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 08:51:30,193 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:51:30,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:51:30,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1805693360, now seen corresponding path program 1 times [2024-10-24 08:51:30,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 08:51:30,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1813410178] [2024-10-24 08:51:30,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:51:30,195 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 08:51:30,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 08:51:30,197 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 08:51:30,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-24 08:51:31,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:51:31,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-24 08:51:31,796 INFO L278 TraceCheckSpWp]: Computing forward predicates...