./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-26.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-26.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 26889e4c825bc9df5f6bfdada4995dbeaf45a1d31e009b603ffadcd3ffbc80b6 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 23:07:50,146 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:07:50,236 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 23:07:50,242 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:07:50,245 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 23:07:50,263 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:07:50,263 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 23:07:50,264 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 23:07:50,264 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 23:07:50,265 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 23:07:50,265 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:07:50,265 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 23:07:50,266 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:07:50,266 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:07:50,267 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 23:07:50,267 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:07:50,267 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:07:50,268 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:07:50,268 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:07:50,268 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:07:50,269 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:07:50,272 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:07:50,273 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:07:50,273 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:07:50,273 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:07:50,273 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:07:50,274 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:07:50,274 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:07:50,274 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:07:50,274 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 23:07:50,275 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 23:07:50,275 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 23:07:50,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 23:07:50,275 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:07:50,276 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:07:50,276 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:07:50,277 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 23:07:50,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:07:50,277 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 23:07:50,278 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 23:07:50,278 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 23:07:50,278 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 23:07:50,279 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26889e4c825bc9df5f6bfdada4995dbeaf45a1d31e009b603ffadcd3ffbc80b6 [2024-11-08 23:07:50,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:07:50,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:07:50,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:07:50,539 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:07:50,540 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:07:50,541 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-26.i [2024-11-08 23:07:51,924 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:07:52,084 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:07:52,085 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-26.i [2024-11-08 23:07:52,096 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c57003d50/f0f2293cf2fe40009d43bd4311af200d/FLAG0ddd56cdf [2024-11-08 23:07:52,479 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c57003d50/f0f2293cf2fe40009d43bd4311af200d [2024-11-08 23:07:52,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:07:52,484 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:07:52,486 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:07:52,486 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:07:52,491 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:07:52,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:07:52" (1/1) ... [2024-11-08 23:07:52,492 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@485ad9b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:52, skipping insertion in model container [2024-11-08 23:07:52,492 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:07:52" (1/1) ... [2024-11-08 23:07:52,510 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:07:52,717 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-26.i[916,929] [2024-11-08 23:07:52,813 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:07:52,828 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:07:52,844 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-26.i[916,929] [2024-11-08 23:07:52,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:07:52,883 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:07:52,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:52 WrapperNode [2024-11-08 23:07:52,883 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:07:52,884 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:07:52,884 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:07:52,884 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:07:52,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:52" (1/1) ... [2024-11-08 23:07:52,898 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:52" (1/1) ... [2024-11-08 23:07:52,939 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 86 [2024-11-08 23:07:52,940 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:07:52,941 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:07:52,941 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:07:52,941 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:07:52,951 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:52" (1/1) ... [2024-11-08 23:07:52,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:52" (1/1) ... [2024-11-08 23:07:52,955 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:52" (1/1) ... [2024-11-08 23:07:52,973 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 23:07:52,974 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:52" (1/1) ... [2024-11-08 23:07:52,974 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:52" (1/1) ... [2024-11-08 23:07:52,985 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:52" (1/1) ... [2024-11-08 23:07:52,992 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:52" (1/1) ... [2024-11-08 23:07:52,995 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:52" (1/1) ... [2024-11-08 23:07:52,997 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:52" (1/1) ... [2024-11-08 23:07:53,000 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:07:53,001 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:07:53,001 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:07:53,002 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:07:53,002 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:52" (1/1) ... [2024-11-08 23:07:53,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 23:07:53,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 23:07:53,036 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 23:07:53,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 23:07:53,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:07:53,086 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:07:53,087 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:07:53,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 23:07:53,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:07:53,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:07:53,159 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:07:53,161 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:07:53,441 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 23:07:53,441 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:07:53,456 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:07:53,456 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:07:53,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:07:53 BoogieIcfgContainer [2024-11-08 23:07:53,457 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:07:53,460 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 23:07:53,460 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 23:07:53,464 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 23:07:53,464 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 11:07:52" (1/3) ... [2024-11-08 23:07:53,465 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52d4718e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 11:07:53, skipping insertion in model container [2024-11-08 23:07:53,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:52" (2/3) ... [2024-11-08 23:07:53,465 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52d4718e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 11:07:53, skipping insertion in model container [2024-11-08 23:07:53,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:07:53" (3/3) ... [2024-11-08 23:07:53,467 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-26.i [2024-11-08 23:07:53,488 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 23:07:53,488 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 23:07:53,542 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 23:07:53,548 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;@6625560d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 23:07:53,548 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 23:07:53,551 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 27 states have internal predecessors, (34), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 23:07:53,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-08 23:07:53,560 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:07:53,560 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:07:53,561 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:07:53,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:07:53,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1782570273, now seen corresponding path program 1 times [2024-11-08 23:07:53,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:07:53,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421512526] [2024-11-08 23:07:53,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:07:53,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:53,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:53,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:07:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:53,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:07:53,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:53,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:07:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:53,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:07:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:53,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:07:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:53,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:07:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:53,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:07:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:53,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:07:53,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:53,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:07:53,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:53,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:07:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:53,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 23:07:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:53,917 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 23:07:53,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:07:53,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421512526] [2024-11-08 23:07:53,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421512526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:07:53,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:07:53,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 23:07:53,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269456766] [2024-11-08 23:07:53,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:07:53,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 23:07:53,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:07:53,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 23:07:53,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 23:07:53,953 INFO L87 Difference]: Start difference. First operand has 40 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 27 states have internal predecessors, (34), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 23:07:53,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:07:53,975 INFO L93 Difference]: Finished difference Result 73 states and 117 transitions. [2024-11-08 23:07:53,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 23:07:53,977 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 74 [2024-11-08 23:07:53,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:07:53,983 INFO L225 Difference]: With dead ends: 73 [2024-11-08 23:07:53,984 INFO L226 Difference]: Without dead ends: 36 [2024-11-08 23:07:53,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 23:07:53,991 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 23:07:53,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 23:07:54,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-08 23:07:54,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-11-08 23:07:54,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 23 states have internal predecessors, (26), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 23:07:54,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 48 transitions. [2024-11-08 23:07:54,059 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 48 transitions. Word has length 74 [2024-11-08 23:07:54,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:07:54,061 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 48 transitions. [2024-11-08 23:07:54,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 23:07:54,062 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 48 transitions. [2024-11-08 23:07:54,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-08 23:07:54,064 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:07:54,064 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:07:54,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 23:07:54,065 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:07:54,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:07:54,068 INFO L85 PathProgramCache]: Analyzing trace with hash 335088931, now seen corresponding path program 1 times [2024-11-08 23:07:54,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:07:54,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588175617] [2024-11-08 23:07:54,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:07:54,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:54,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:07:54,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [237690779] [2024-11-08 23:07:54,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:07:54,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 23:07:54,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 23:07:54,239 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 23:07:54,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 23:07:54,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:07:54,433 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:07:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:07:54,533 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 23:07:54,534 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 23:07:54,537 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 23:07:54,557 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 23:07:54,739 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 [2024-11-08 23:07:54,743 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 23:07:54,808 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 23:07:54,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 11:07:54 BoogieIcfgContainer [2024-11-08 23:07:54,811 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 23:07:54,813 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:07:54,813 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:07:54,813 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:07:54,813 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:07:53" (3/4) ... [2024-11-08 23:07:54,816 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:07:54,817 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:07:54,818 INFO L158 Benchmark]: Toolchain (without parser) took 2333.74ms. Allocated memory was 167.8MB in the beginning and 211.8MB in the end (delta: 44.0MB). Free memory was 104.1MB in the beginning and 153.1MB in the end (delta: -49.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:07:54,818 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory is still 51.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:07:54,818 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.48ms. Allocated memory is still 167.8MB. Free memory was 104.1MB in the beginning and 134.0MB in the end (delta: -29.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:07:54,819 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.89ms. Allocated memory is still 167.8MB. Free memory was 134.0MB in the beginning and 129.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:07:54,819 INFO L158 Benchmark]: Boogie Preprocessor took 59.81ms. Allocated memory is still 167.8MB. Free memory was 129.9MB in the beginning and 121.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 23:07:54,820 INFO L158 Benchmark]: RCFGBuilder took 455.84ms. Allocated memory is still 167.8MB. Free memory was 121.5MB in the beginning and 103.3MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 23:07:54,820 INFO L158 Benchmark]: TraceAbstraction took 1351.97ms. Allocated memory was 167.8MB in the beginning and 211.8MB in the end (delta: 44.0MB). Free memory was 102.6MB in the beginning and 154.1MB in the end (delta: -51.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:07:54,820 INFO L158 Benchmark]: Witness Printer took 4.49ms. Allocated memory is still 211.8MB. Free memory is still 153.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:07:54,822 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory is still 51.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.48ms. Allocated memory is still 167.8MB. Free memory was 104.1MB in the beginning and 134.0MB in the end (delta: -29.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.89ms. Allocated memory is still 167.8MB. Free memory was 134.0MB in the beginning and 129.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.81ms. Allocated memory is still 167.8MB. Free memory was 129.9MB in the beginning and 121.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 455.84ms. Allocated memory is still 167.8MB. Free memory was 121.5MB in the beginning and 103.3MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1351.97ms. Allocated memory was 167.8MB in the beginning and 211.8MB in the end (delta: 44.0MB). Free memory was 102.6MB in the beginning and 154.1MB in the end (delta: -51.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.49ms. Allocated memory is still 211.8MB. Free memory is still 153.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of to_int at line 73. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -1; [L23] signed short int var_1_4 = 1; [L24] signed long int var_1_12 = 1; [L25] signed long int var_1_13 = 199; [L26] signed long int var_1_14 = 2000000000; [L27] unsigned char var_1_15 = 64; [L28] unsigned char var_1_16 = 2; [L29] unsigned long int var_1_17 = 50; [L30] signed long int var_1_19 = -32; [L31] signed long int var_1_20 = 8; [L32] unsigned char last_1_var_1_15 = 64; VAL [isInitial=0, last_1_var_1_15=64, var_1_12=1, var_1_13=199, var_1_14=2000000000, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=1] [L77] isInitial = 1 [L78] FCALL initially() [L79] COND TRUE 1 [L80] CALL updateLastVariables() [L70] last_1_var_1_15 = var_1_15 VAL [isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=199, var_1_14=2000000000, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=1] [L80] RET updateLastVariables() [L81] CALL updateVariables() [L52] var_1_4 = __VERIFIER_nondet_short() [L53] CALL assume_abort_if_not(var_1_4 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=199, var_1_14=2000000000, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=199, var_1_14=2000000000, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L53] RET assume_abort_if_not(var_1_4 >= -32767) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=199, var_1_14=2000000000, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L54] CALL assume_abort_if_not(var_1_4 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=199, var_1_14=2000000000, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=199, var_1_14=2000000000, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L54] RET assume_abort_if_not(var_1_4 <= 32766) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=199, var_1_14=2000000000, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L55] var_1_13 = __VERIFIER_nondet_long() [L56] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=2000000000, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=2000000000, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L56] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=2000000000, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L57] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=2000000000, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=2000000000, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L57] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=2000000000, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L58] var_1_14 = __VERIFIER_nondet_long() [L59] CALL assume_abort_if_not(var_1_14 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=-2147483648, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=-2147483648, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L59] RET assume_abort_if_not(var_1_14 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=-2147483648, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L60] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=-2147483648, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=-2147483648, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L60] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=-2147483648, var_1_15=64, var_1_16=2, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L61] var_1_16 = __VERIFIER_nondet_uchar() [L62] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=-2147483648, var_1_15=64, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=-2147483648, var_1_15=64, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L62] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=-2147483648, var_1_15=64, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L63] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=-2147483648, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=-2147483648, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L63] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=-2147483648, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=-32, var_1_1=-1, var_1_20=8, var_1_4=-256] [L64] var_1_19 = __VERIFIER_nondet_long() [L65] CALL assume_abort_if_not(var_1_19 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=-2147483648, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=1, var_1_1=-1, var_1_20=8, var_1_4=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=-2147483648, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=1, var_1_1=-1, var_1_20=8, var_1_4=-256] [L65] RET assume_abort_if_not(var_1_19 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=-2147483648, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=1, var_1_1=-1, var_1_20=8, var_1_4=-256] [L66] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=-2147483648, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=1, var_1_1=-1, var_1_20=8, var_1_4=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=-2147483648, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=1, var_1_1=-1, var_1_20=8, var_1_4=-256] [L66] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=-2147483648, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=1, var_1_1=-1, var_1_20=8, var_1_4=-256] [L67] CALL assume_abort_if_not(var_1_19 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=-2147483648, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=1, var_1_1=-1, var_1_20=8, var_1_4=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=-2147483648, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=1, var_1_1=-1, var_1_20=8, var_1_4=-256] [L67] RET assume_abort_if_not(var_1_19 != 0) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=1, var_1_13=0, var_1_14=-2147483648, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=1, var_1_1=-1, var_1_20=8, var_1_4=-256] [L81] RET updateVariables() [L82] CALL step() [L36] var_1_12 = ((0.85f - var_1_13) + var_1_14) VAL [isInitial=1, last_1_var_1_15=64, var_1_13=0, var_1_14=-2147483648, var_1_15=64, var_1_16=1, var_1_17=50, var_1_19=1, var_1_1=-1, var_1_20=8, var_1_4=-256] [L37] COND TRUE (- last_1_var_1_15) >= (var_1_4 / ((((-4) < 0 ) ? -(-4) : (-4)))) [L38] var_1_15 = var_1_16 VAL [isInitial=1, last_1_var_1_15=64, var_1_13=0, var_1_14=-2147483648, var_1_15=1, var_1_16=1, var_1_17=50, var_1_19=1, var_1_1=-1, var_1_20=8, var_1_4=-256] [L40] var_1_20 = var_1_13 VAL [isInitial=1, last_1_var_1_15=64, var_1_13=0, var_1_14=-2147483648, var_1_15=1, var_1_16=1, var_1_17=50, var_1_19=1, var_1_1=-1, var_1_20=0, var_1_4=-256] [L41] COND FALSE !(var_1_20 > var_1_20) [L44] var_1_1 = (((((var_1_15 - ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) < ((var_1_15 + ((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15)))))) ? ((var_1_15 - ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) : ((var_1_15 + ((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15))))))) VAL [isInitial=1, last_1_var_1_15=64, var_1_13=0, var_1_14=-2147483648, var_1_15=1, var_1_16=1, var_1_17=50, var_1_19=1, var_1_1=0, var_1_20=0, var_1_4=-256] [L46] signed long int stepLocal_0 = var_1_15 + (var_1_15 + var_1_1); VAL [isInitial=1, last_1_var_1_15=64, stepLocal_0=2, var_1_13=0, var_1_14=-2147483648, var_1_15=1, var_1_16=1, var_1_17=50, var_1_19=1, var_1_1=0, var_1_20=0, var_1_4=-256] [L47] COND TRUE stepLocal_0 != (var_1_15 * (var_1_1 / var_1_19)) [L48] var_1_17 = (((((10u) < ((var_1_1 + var_1_15))) ? (10u) : ((var_1_1 + var_1_15)))) + var_1_15) VAL [isInitial=1, last_1_var_1_15=64, var_1_13=0, var_1_14=-2147483648, var_1_15=1, var_1_16=1, var_1_17=2, var_1_19=1, var_1_1=0, var_1_20=0, var_1_4=-256] [L82] RET step() [L83] CALL, EXPR property() [L73-L74] return (((((var_1_20 > var_1_20) ? (var_1_1 == ((signed short int) ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) : (var_1_1 == ((signed short int) (((((var_1_15 - ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) < ((var_1_15 + ((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15)))))) ? ((var_1_15 - ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) : ((var_1_15 + ((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15)))))))))) && (var_1_12 == ((signed long int) ((0.85f - var_1_13) + var_1_14)))) && (((- last_1_var_1_15) >= (var_1_4 / ((((-4) < 0 ) ? -(-4) : (-4))))) ? (var_1_15 == ((unsigned char) var_1_16)) : 1)) && (((var_1_15 + (var_1_15 + var_1_1)) != (var_1_15 * (var_1_1 / var_1_19))) ? (var_1_17 == ((unsigned long int) (((((10u) < ((var_1_1 + var_1_15))) ? (10u) : ((var_1_1 + var_1_15)))) + var_1_15))) : 1)) && (var_1_20 == ((signed long int) var_1_13)) ; VAL [\result=0, isInitial=1, last_1_var_1_15=64, var_1_12=16, var_1_13=0, var_1_14=-2147483648, var_1_15=1, var_1_16=1, var_1_17=2, var_1_19=1, var_1_1=0, var_1_20=0, var_1_4=-256] [L83] RET, EXPR property() [L83] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=64, var_1_12=16, var_1_13=0, var_1_14=-2147483648, var_1_15=1, var_1_16=1, var_1_17=2, var_1_19=1, var_1_1=0, var_1_20=0, var_1_4=-256] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=64, var_1_12=16, var_1_13=0, var_1_14=-2147483648, var_1_15=1, var_1_16=1, var_1_17=2, var_1_19=1, var_1_1=0, var_1_20=0, var_1_4=-256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 11, 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, 48 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 48 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred 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: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 73 ConstructedInterpolants, 0 QuantifiedInterpolants, 73 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 220/220 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:07:54,854 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/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-26.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 26889e4c825bc9df5f6bfdada4995dbeaf45a1d31e009b603ffadcd3ffbc80b6 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 23:07:56,947 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:07:57,033 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 23:07:57,040 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:07:57,041 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 23:07:57,072 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:07:57,076 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 23:07:57,076 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 23:07:57,077 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 23:07:57,077 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 23:07:57,078 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:07:57,078 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 23:07:57,078 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:07:57,079 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:07:57,079 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 23:07:57,081 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:07:57,081 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:07:57,081 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:07:57,082 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:07:57,084 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:07:57,084 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:07:57,085 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:07:57,085 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:07:57,086 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:07:57,086 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:07:57,086 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:07:57,086 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:07:57,087 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:07:57,087 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:07:57,087 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:07:57,087 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:07:57,088 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 23:07:57,088 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 23:07:57,088 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 23:07:57,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 23:07:57,088 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:07:57,089 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:07:57,089 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:07:57,089 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-08 23:07:57,089 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:07:57,090 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 23:07:57,090 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 23:07:57,091 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 23:07:57,091 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 23:07:57,091 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26889e4c825bc9df5f6bfdada4995dbeaf45a1d31e009b603ffadcd3ffbc80b6 [2024-11-08 23:07:57,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:07:57,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:07:57,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:07:57,418 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:07:57,418 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:07:57,420 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-26.i [2024-11-08 23:07:58,946 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:07:59,172 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:07:59,172 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-26.i [2024-11-08 23:07:59,183 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2562d7f7/75c127429cce4d1db22223a1c6601844/FLAG842d8e978 [2024-11-08 23:07:59,200 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2562d7f7/75c127429cce4d1db22223a1c6601844 [2024-11-08 23:07:59,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:07:59,204 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:07:59,206 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:07:59,207 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:07:59,212 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:07:59,214 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:07:59" (1/1) ... [2024-11-08 23:07:59,215 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aab926d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:59, skipping insertion in model container [2024-11-08 23:07:59,215 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:07:59" (1/1) ... [2024-11-08 23:07:59,238 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:07:59,414 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-26.i[916,929] [2024-11-08 23:07:59,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:07:59,481 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:07:59,495 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-26.i[916,929] [2024-11-08 23:07:59,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:07:59,542 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:07:59,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:59 WrapperNode [2024-11-08 23:07:59,543 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:07:59,551 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:07:59,552 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:07:59,552 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:07:59,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:59" (1/1) ... [2024-11-08 23:07:59,575 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:59" (1/1) ... [2024-11-08 23:07:59,600 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 82 [2024-11-08 23:07:59,600 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:07:59,601 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:07:59,601 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:07:59,602 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:07:59,614 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:59" (1/1) ... [2024-11-08 23:07:59,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:59" (1/1) ... [2024-11-08 23:07:59,619 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:59" (1/1) ... [2024-11-08 23:07:59,635 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 23:07:59,636 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:59" (1/1) ... [2024-11-08 23:07:59,636 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:59" (1/1) ... [2024-11-08 23:07:59,649 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:59" (1/1) ... [2024-11-08 23:07:59,655 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:59" (1/1) ... [2024-11-08 23:07:59,657 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:59" (1/1) ... [2024-11-08 23:07:59,658 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:59" (1/1) ... [2024-11-08 23:07:59,661 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:07:59,662 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:07:59,662 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:07:59,663 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:07:59,663 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:59" (1/1) ... [2024-11-08 23:07:59,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 23:07:59,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 23:07:59,697 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 23:07:59,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 23:07:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:07:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 23:07:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:07:59,732 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:07:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:07:59,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:07:59,805 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:07:59,808 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:08:04,159 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 23:08:04,160 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:08:04,175 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:08:04,175 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:08:04,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:08:04 BoogieIcfgContainer [2024-11-08 23:08:04,176 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:08:04,178 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 23:08:04,178 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 23:08:04,180 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 23:08:04,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 11:07:59" (1/3) ... [2024-11-08 23:08:04,181 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f821eab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 11:08:04, skipping insertion in model container [2024-11-08 23:08:04,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:59" (2/3) ... [2024-11-08 23:08:04,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f821eab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 11:08:04, skipping insertion in model container [2024-11-08 23:08:04,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:08:04" (3/3) ... [2024-11-08 23:08:04,183 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-26.i [2024-11-08 23:08:04,198 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 23:08:04,199 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 23:08:04,258 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 23:08:04,264 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;@6c3b6174, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 23:08:04,264 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 23:08:04,268 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 27 states have internal predecessors, (34), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 23:08:04,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-08 23:08:04,278 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:08:04,278 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:08:04,279 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:08:04,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:08:04,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1782570273, now seen corresponding path program 1 times [2024-11-08 23:08:04,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-08 23:08:04,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1158096838] [2024-11-08 23:08:04,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:08:04,296 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 23:08:04,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-08 23:08:04,297 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 23:08:04,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-08 23:08:04,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:04,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 23:08:04,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:08:04,590 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-08 23:08:04,591 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 23:08:04,592 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-08 23:08:04,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1158096838] [2024-11-08 23:08:04,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1158096838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:08:04,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:08:04,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 23:08:04,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074743634] [2024-11-08 23:08:04,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:08:04,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 23:08:04,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-08 23:08:04,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 23:08:04,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 23:08:04,627 INFO L87 Difference]: Start difference. First operand has 40 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 27 states have internal predecessors, (34), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 23:08:04,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:08:04,654 INFO L93 Difference]: Finished difference Result 73 states and 117 transitions. [2024-11-08 23:08:04,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 23:08:04,656 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2024-11-08 23:08:04,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:08:04,662 INFO L225 Difference]: With dead ends: 73 [2024-11-08 23:08:04,663 INFO L226 Difference]: Without dead ends: 36 [2024-11-08 23:08:04,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 23:08:04,671 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 23:08:04,673 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 23:08:04,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-08 23:08:04,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-11-08 23:08:04,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 23 states have internal predecessors, (26), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 23:08:04,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 48 transitions. [2024-11-08 23:08:04,706 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 48 transitions. Word has length 74 [2024-11-08 23:08:04,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:08:04,706 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 48 transitions. [2024-11-08 23:08:04,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 23:08:04,706 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 48 transitions. [2024-11-08 23:08:04,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-08 23:08:04,709 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:08:04,709 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:08:04,717 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-08 23:08:04,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 23:08:04,910 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:08:04,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:08:04,911 INFO L85 PathProgramCache]: Analyzing trace with hash 335088931, now seen corresponding path program 1 times [2024-11-08 23:08:04,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-08 23:08:04,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [454487863] [2024-11-08 23:08:04,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:08:04,912 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 23:08:04,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-08 23:08:04,913 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 23:08:04,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-08 23:08:05,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:08:05,067 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:08:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:08:05,215 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2024-11-08 23:08:05,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [627310187] [2024-11-08 23:08:05,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:08:05,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:08:05,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-08 23:08:05,220 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:08:05,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:08:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:05,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 23:08:05,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:08:39,290 WARN L286 SmtUtils]: Spent 7.95s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:09:04,532 WARN L286 SmtUtils]: Spent 8.46s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)