./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/neural-networks/cos_7_safe.c-amalgamation.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/neural-networks/cos_7_safe.c-amalgamation.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 bec5db52ebea2299d813e1bd9017d8d408a611621e49aca32f950934bd34aac5 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 12:56:58,354 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 12:56:58,418 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 12:56:58,424 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 12:56:58,426 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 12:56:58,459 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 12:56:58,459 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 12:56:58,460 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 12:56:58,460 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 12:56:58,460 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 12:56:58,461 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 12:56:58,461 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 12:56:58,462 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 12:56:58,463 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 12:56:58,464 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 12:56:58,464 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 12:56:58,464 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 12:56:58,465 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 12:56:58,467 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 12:56:58,467 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 12:56:58,467 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 12:56:58,468 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 12:56:58,470 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 12:56:58,471 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 12:56:58,483 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 12:56:58,483 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 12:56:58,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 12:56:58,484 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 12:56:58,484 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 12:56:58,485 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 12:56:58,485 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 12:56:58,485 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 12:56:58,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 12:56:58,486 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 12:56:58,487 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 12:56:58,487 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 12:56:58,487 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 12:56:58,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 12:56:58,488 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 12:56:58,488 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 12:56:58,488 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 12:56:58,489 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 12:56:58,489 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bec5db52ebea2299d813e1bd9017d8d408a611621e49aca32f950934bd34aac5 [2024-11-08 12:56:58,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 12:56:58,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 12:56:58,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 12:56:58,741 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 12:56:58,742 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 12:56:58,743 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/neural-networks/cos_7_safe.c-amalgamation.i [2024-11-08 12:57:00,185 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 12:57:00,464 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 12:57:00,465 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/neural-networks/cos_7_safe.c-amalgamation.i [2024-11-08 12:57:00,489 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/169adb250/5f25046dee644591a542227346c52c4f/FLAGf3031c79a [2024-11-08 12:57:00,510 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/169adb250/5f25046dee644591a542227346c52c4f [2024-11-08 12:57:00,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 12:57:00,515 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 12:57:00,518 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 12:57:00,519 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 12:57:00,524 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 12:57:00,525 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:57:00" (1/1) ... [2024-11-08 12:57:00,526 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3016435b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:57:00, skipping insertion in model container [2024-11-08 12:57:00,528 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:57:00" (1/1) ... [2024-11-08 12:57:00,575 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 12:57:01,179 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/neural-networks/cos_7_safe.c-amalgamation.i[63034,63047] [2024-11-08 12:57:01,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:57:01,195 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 12:57:01,246 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/neural-networks/cos_7_safe.c-amalgamation.i[63034,63047] [2024-11-08 12:57:01,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:57:01,377 INFO L204 MainTranslator]: Completed translation [2024-11-08 12:57:01,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:57:01 WrapperNode [2024-11-08 12:57:01,377 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 12:57:01,379 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 12:57:01,379 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 12:57:01,379 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 12:57:01,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:57:01" (1/1) ... [2024-11-08 12:57:01,401 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:57:01" (1/1) ... [2024-11-08 12:57:01,422 INFO L138 Inliner]: procedures = 557, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 36 [2024-11-08 12:57:01,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 12:57:01,423 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 12:57:01,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 12:57:01,424 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 12:57:01,433 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:57:01" (1/1) ... [2024-11-08 12:57:01,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:57:01" (1/1) ... [2024-11-08 12:57:01,438 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:57:01" (1/1) ... [2024-11-08 12:57:01,451 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2024-11-08 12:57:01,451 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:57:01" (1/1) ... [2024-11-08 12:57:01,451 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:57:01" (1/1) ... [2024-11-08 12:57:01,454 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:57:01" (1/1) ... [2024-11-08 12:57:01,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:57:01" (1/1) ... [2024-11-08 12:57:01,456 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:57:01" (1/1) ... [2024-11-08 12:57:01,459 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:57:01" (1/1) ... [2024-11-08 12:57:01,461 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 12:57:01,462 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 12:57:01,462 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 12:57:01,462 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 12:57:01,465 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:57:01" (1/1) ... [2024-11-08 12:57:01,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 12:57:01,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 12:57:01,506 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 12:57:01,510 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 12:57:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 12:57:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 12:57:01,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 12:57:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 12:57:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 12:57:01,685 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 12:57:01,687 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 12:57:01,811 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-08 12:57:01,811 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 12:57:01,824 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 12:57:01,825 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 12:57:01,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:57:01 BoogieIcfgContainer [2024-11-08 12:57:01,826 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 12:57:01,828 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 12:57:01,828 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 12:57:01,832 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 12:57:01,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 12:57:00" (1/3) ... [2024-11-08 12:57:01,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44725556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:57:01, skipping insertion in model container [2024-11-08 12:57:01,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:57:01" (2/3) ... [2024-11-08 12:57:01,834 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44725556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:57:01, skipping insertion in model container [2024-11-08 12:57:01,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:57:01" (3/3) ... [2024-11-08 12:57:01,836 INFO L112 eAbstractionObserver]: Analyzing ICFG cos_7_safe.c-amalgamation.i [2024-11-08 12:57:01,855 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 12:57:01,855 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 12:57:01,919 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 12:57:01,927 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;@769de728, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:57:01,928 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 12:57:01,932 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 10 states have (on average 1.4) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:57:01,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 12:57:01,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:57:01,940 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:57:01,940 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:57:01,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:57:01,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1805028935, now seen corresponding path program 1 times [2024-11-08 12:57:01,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:57:01,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622685050] [2024-11-08 12:57:01,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:57:01,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:57:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:57:02,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:57:02,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:57:02,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622685050] [2024-11-08 12:57:02,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622685050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:57:02,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:57:02,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:57:02,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298854943] [2024-11-08 12:57:02,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:57:02,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 12:57:02,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:57:02,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 12:57:02,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 12:57:02,136 INFO L87 Difference]: Start difference. First operand has 12 states, 10 states have (on average 1.4) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:57:02,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:57:02,146 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2024-11-08 12:57:02,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:57:02,148 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-08 12:57:02,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:57:02,154 INFO L225 Difference]: With dead ends: 20 [2024-11-08 12:57:02,154 INFO L226 Difference]: Without dead ends: 8 [2024-11-08 12:57:02,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 12:57:02,160 INFO L432 NwaCegarLoop]: 12 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, 12 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 12:57:02,160 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 12:57:02,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2024-11-08 12:57:02,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2024-11-08 12:57:02,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:57:02,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-11-08 12:57:02,188 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 7 [2024-11-08 12:57:02,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:57:02,189 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2024-11-08 12:57:02,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:57:02,189 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-11-08 12:57:02,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 12:57:02,190 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:57:02,190 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:57:02,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 12:57:02,190 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:57:02,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:57:02,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1805088517, now seen corresponding path program 1 times [2024-11-08 12:57:02,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:57:02,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559132871] [2024-11-08 12:57:02,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:57:02,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:57:02,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 12:57:02,211 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 12:57:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 12:57:02,237 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 12:57:02,238 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 12:57:02,239 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 12:57:02,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 12:57:02,243 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 12:57:02,256 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 12:57:02,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 12:57:02 BoogieIcfgContainer [2024-11-08 12:57:02,259 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 12:57:02,260 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 12:57:02,260 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 12:57:02,260 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 12:57:02,261 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:57:01" (3/4) ... [2024-11-08 12:57:02,263 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 12:57:02,264 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 12:57:02,265 INFO L158 Benchmark]: Toolchain (without parser) took 1750.01ms. Allocated memory is still 178.3MB. Free memory was 127.3MB in the beginning and 120.7MB in the end (delta: 6.6MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2024-11-08 12:57:02,266 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 178.3MB. Free memory is still 146.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 12:57:02,267 INFO L158 Benchmark]: CACSL2BoogieTranslator took 860.08ms. Allocated memory is still 178.3MB. Free memory was 126.8MB in the beginning and 63.1MB in the end (delta: 63.8MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-11-08 12:57:02,267 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.31ms. Allocated memory is still 178.3MB. Free memory was 63.1MB in the beginning and 60.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 12:57:02,268 INFO L158 Benchmark]: Boogie Preprocessor took 37.28ms. Allocated memory is still 178.3MB. Free memory was 60.2MB in the beginning and 58.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 12:57:02,269 INFO L158 Benchmark]: RCFGBuilder took 364.60ms. Allocated memory is still 178.3MB. Free memory was 58.9MB in the beginning and 144.9MB in the end (delta: -85.9MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2024-11-08 12:57:02,271 INFO L158 Benchmark]: TraceAbstraction took 431.40ms. Allocated memory is still 178.3MB. Free memory was 144.9MB in the beginning and 121.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 12:57:02,271 INFO L158 Benchmark]: Witness Printer took 4.34ms. Allocated memory is still 178.3MB. Free memory was 121.8MB in the beginning and 120.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 12:57:02,273 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 178.3MB. Free memory is still 146.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 860.08ms. Allocated memory is still 178.3MB. Free memory was 126.8MB in the beginning and 63.1MB in the end (delta: 63.8MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.31ms. Allocated memory is still 178.3MB. Free memory was 63.1MB in the beginning and 60.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.28ms. Allocated memory is still 178.3MB. Free memory was 60.2MB in the beginning and 58.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 364.60ms. Allocated memory is still 178.3MB. Free memory was 58.9MB in the beginning and 144.9MB in the end (delta: -85.9MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * TraceAbstraction took 431.40ms. Allocated memory is still 178.3MB. Free memory was 144.9MB in the beginning and 121.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 4.34ms. Allocated memory is still 178.3MB. Free memory was 121.8MB in the beginning and 120.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 851]: 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 851, overapproximation of cosf at line 849. Possible FailurePath: [L847] float x = __VERIFIER_nondet_float(); [L848] EXPR __builtin_isgreaterequal(x, 0.0f) && !__builtin_isinf_sign (x) [L848] EXPR __builtin_isgreaterequal(x, 0.0f) && !__builtin_isinf_sign (x) [L848] COND FALSE !(!(__builtin_isgreaterequal(x, 0.0f) && !__builtin_isinf_sign (x))) [L849] float y = cosf(x); [L850] float z = cosf(-x); [L851] COND TRUE !(y == z) [L851] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 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, 12 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 12:57:02,310 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/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/neural-networks/cos_7_safe.c-amalgamation.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 bec5db52ebea2299d813e1bd9017d8d408a611621e49aca32f950934bd34aac5 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 12:57:04,464 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 12:57:04,547 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 12:57:04,553 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 12:57:04,554 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 12:57:04,601 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 12:57:04,602 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 12:57:04,602 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 12:57:04,603 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 12:57:04,603 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 12:57:04,603 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 12:57:04,604 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 12:57:04,604 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 12:57:04,605 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 12:57:04,605 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 12:57:04,605 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 12:57:04,606 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 12:57:04,606 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 12:57:04,607 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 12:57:04,607 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 12:57:04,607 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 12:57:04,611 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 12:57:04,611 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 12:57:04,612 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 12:57:04,612 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 12:57:04,612 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 12:57:04,612 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 12:57:04,613 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 12:57:04,613 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 12:57:04,613 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 12:57:04,613 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 12:57:04,614 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 12:57:04,614 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 12:57:04,614 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 12:57:04,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 12:57:04,615 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 12:57:04,615 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 12:57:04,615 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 12:57:04,617 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-08 12:57:04,617 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 12:57:04,618 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 12:57:04,618 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 12:57:04,618 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 12:57:04,619 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 12:57:04,619 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bec5db52ebea2299d813e1bd9017d8d408a611621e49aca32f950934bd34aac5 [2024-11-08 12:57:04,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 12:57:04,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 12:57:04,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 12:57:04,973 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 12:57:04,973 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 12:57:04,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/neural-networks/cos_7_safe.c-amalgamation.i [2024-11-08 12:57:06,396 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 12:57:06,727 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 12:57:06,728 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/neural-networks/cos_7_safe.c-amalgamation.i [2024-11-08 12:57:06,753 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f6d53c85/5b71060191204a92bebbbf13cedf5162/FLAG80bdd8df8 [2024-11-08 12:57:06,983 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f6d53c85/5b71060191204a92bebbbf13cedf5162 [2024-11-08 12:57:06,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 12:57:06,988 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 12:57:06,989 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 12:57:06,989 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 12:57:06,994 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 12:57:06,995 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:57:06" (1/1) ... [2024-11-08 12:57:06,998 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74c244b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:57:06, skipping insertion in model container [2024-11-08 12:57:06,998 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:57:06" (1/1) ... [2024-11-08 12:57:07,060 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 12:57:07,778 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/neural-networks/cos_7_safe.c-amalgamation.i[63034,63047] [2024-11-08 12:57:07,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:57:07,794 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 12:57:07,848 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/neural-networks/cos_7_safe.c-amalgamation.i[63034,63047] [2024-11-08 12:57:07,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:57:08,029 INFO L204 MainTranslator]: Completed translation [2024-11-08 12:57:08,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:57:08 WrapperNode [2024-11-08 12:57:08,030 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 12:57:08,031 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 12:57:08,031 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 12:57:08,031 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 12:57:08,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:57:08" (1/1) ... [2024-11-08 12:57:08,059 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:57:08" (1/1) ... [2024-11-08 12:57:08,081 INFO L138 Inliner]: procedures = 558, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2024-11-08 12:57:08,081 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 12:57:08,083 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 12:57:08,083 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 12:57:08,083 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 12:57:08,092 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:57:08" (1/1) ... [2024-11-08 12:57:08,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:57:08" (1/1) ... [2024-11-08 12:57:08,098 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:57:08" (1/1) ... [2024-11-08 12:57:08,107 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2024-11-08 12:57:08,107 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:57:08" (1/1) ... [2024-11-08 12:57:08,108 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:57:08" (1/1) ... [2024-11-08 12:57:08,112 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:57:08" (1/1) ... [2024-11-08 12:57:08,113 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:57:08" (1/1) ... [2024-11-08 12:57:08,115 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:57:08" (1/1) ... [2024-11-08 12:57:08,116 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:57:08" (1/1) ... [2024-11-08 12:57:08,120 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 12:57:08,125 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 12:57:08,125 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 12:57:08,125 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 12:57:08,126 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:57:08" (1/1) ... [2024-11-08 12:57:08,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 12:57:08,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 12:57:08,155 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 12:57:08,157 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 12:57:08,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 12:57:08,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-08 12:57:08,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 12:57:08,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 12:57:08,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 12:57:08,285 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 12:57:08,288 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 12:57:08,384 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 12:57:08,384 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 12:57:08,402 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 12:57:08,402 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 12:57:08,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:57:08 BoogieIcfgContainer [2024-11-08 12:57:08,402 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 12:57:08,404 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 12:57:08,404 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 12:57:08,407 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 12:57:08,408 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 12:57:06" (1/3) ... [2024-11-08 12:57:08,409 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26ec66b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:57:08, skipping insertion in model container [2024-11-08 12:57:08,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:57:08" (2/3) ... [2024-11-08 12:57:08,410 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26ec66b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:57:08, skipping insertion in model container [2024-11-08 12:57:08,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:57:08" (3/3) ... [2024-11-08 12:57:08,411 INFO L112 eAbstractionObserver]: Analyzing ICFG cos_7_safe.c-amalgamation.i [2024-11-08 12:57:08,428 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 12:57:08,429 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 12:57:08,489 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 12:57:08,495 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;@739435eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:57:08,496 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 12:57:08,503 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:57:08,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 12:57:08,509 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:57:08,509 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-08 12:57:08,510 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:57:08,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:57:08,516 INFO L85 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2024-11-08 12:57:08,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-08 12:57:08,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [53928576] [2024-11-08 12:57:08,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:57:08,530 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 12:57:08,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-08 12:57:08,533 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 12:57:08,534 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 12:57:08,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:57:08,612 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 12:57:08,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:57:08,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:57:08,632 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:57:08,633 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-08 12:57:08,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [53928576] [2024-11-08 12:57:08,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [53928576] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:57:08,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:57:08,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:57:08,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638986133] [2024-11-08 12:57:08,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:57:08,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 12:57:08,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-08 12:57:08,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 12:57:08,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 12:57:08,681 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:57:08,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:57:08,692 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2024-11-08 12:57:08,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:57:08,694 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-08 12:57:08,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:57:08,701 INFO L225 Difference]: With dead ends: 19 [2024-11-08 12:57:08,701 INFO L226 Difference]: Without dead ends: 7 [2024-11-08 12:57:08,704 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 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 12:57:08,708 INFO L432 NwaCegarLoop]: 10 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, 10 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 12:57:08,709 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 12:57:08,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2024-11-08 12:57:08,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2024-11-08 12:57:08,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:57:08,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2024-11-08 12:57:08,736 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2024-11-08 12:57:08,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:57:08,736 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2024-11-08 12:57:08,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:57:08,737 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2024-11-08 12:57:08,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 12:57:08,737 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:57:08,737 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-08 12:57:08,743 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 [2024-11-08 12:57:08,938 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 12:57:08,939 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:57:08,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:57:08,940 INFO L85 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2024-11-08 12:57:08,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-08 12:57:08,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [443243647] [2024-11-08 12:57:08,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:57:08,941 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 12:57:08,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-08 12:57:08,943 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 12:57:08,944 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 12:57:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 12:57:08,999 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 12:57:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 12:57:09,024 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-08 12:57:09,025 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 12:57:09,026 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 12:57:09,032 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 (3)] Forceful destruction successful, exit code 0 [2024-11-08 12:57:09,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 12:57:09,234 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 12:57:09,245 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 12:57:09,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 12:57:09 BoogieIcfgContainer [2024-11-08 12:57:09,248 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 12:57:09,249 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 12:57:09,249 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 12:57:09,249 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 12:57:09,250 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:57:08" (3/4) ... [2024-11-08 12:57:09,252 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 12:57:09,253 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 12:57:09,253 INFO L158 Benchmark]: Toolchain (without parser) took 2265.29ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 32.8MB in the beginning and 45.0MB in the end (delta: -12.2MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2024-11-08 12:57:09,254 INFO L158 Benchmark]: CDTParser took 0.90ms. Allocated memory is still 48.2MB. Free memory is still 31.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 12:57:09,254 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1041.07ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 32.6MB in the beginning and 57.0MB in the end (delta: -24.4MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2024-11-08 12:57:09,255 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.48ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 54.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 12:57:09,255 INFO L158 Benchmark]: Boogie Preprocessor took 38.12ms. Allocated memory is still 83.9MB. Free memory was 54.4MB in the beginning and 52.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 12:57:09,256 INFO L158 Benchmark]: RCFGBuilder took 277.74ms. Allocated memory is still 83.9MB. Free memory was 52.3MB in the beginning and 41.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 12:57:09,256 INFO L158 Benchmark]: TraceAbstraction took 844.05ms. Allocated memory is still 83.9MB. Free memory was 41.3MB in the beginning and 45.6MB in the end (delta: -4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 12:57:09,256 INFO L158 Benchmark]: Witness Printer took 4.02ms. Allocated memory is still 83.9MB. Free memory was 45.6MB in the beginning and 45.0MB in the end (delta: 547.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 12:57:09,258 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.90ms. Allocated memory is still 48.2MB. Free memory is still 31.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1041.07ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 32.6MB in the beginning and 57.0MB in the end (delta: -24.4MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.48ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 54.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.12ms. Allocated memory is still 83.9MB. Free memory was 54.4MB in the beginning and 52.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 277.74ms. Allocated memory is still 83.9MB. Free memory was 52.3MB in the beginning and 41.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 844.05ms. Allocated memory is still 83.9MB. Free memory was 41.3MB in the beginning and 45.6MB in the end (delta: -4.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.02ms. Allocated memory is still 83.9MB. Free memory was 45.6MB in the beginning and 45.0MB in the end (delta: 547.0kB). 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: 851]: 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 cosf at line 849, overapproximation of __builtin_isinf_sign at line 848. Possible FailurePath: [L847] float x = __VERIFIER_nondet_float(); [L848] COND FALSE !(!(__builtin_isgreaterequal(x, 0.0f) && !__builtin_isinf_sign (x))) [L849] float y = cosf(x); [L850] float z = cosf(-x); [L851] COND TRUE !(y == z) [L851] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, 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, 10 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, 10 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 24 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 12:57:09,287 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample