/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-60.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-24 03:12:31,534 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-24 03:12:31,608 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-24 03:12:31,612 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-24 03:12:31,612 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-24 03:12:31,633 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-24 03:12:31,634 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-24 03:12:31,634 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-24 03:12:31,635 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-24 03:12:31,639 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-24 03:12:31,640 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-24 03:12:31,640 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-24 03:12:31,640 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-24 03:12:31,641 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-24 03:12:31,641 INFO L153 SettingsManager]: * Use SBE=true [2023-12-24 03:12:31,642 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-24 03:12:31,642 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-24 03:12:31,642 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-24 03:12:31,642 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-24 03:12:31,642 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-24 03:12:31,642 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-24 03:12:31,643 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-24 03:12:31,644 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-24 03:12:31,644 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-24 03:12:31,644 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-24 03:12:31,644 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-24 03:12:31,644 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-24 03:12:31,644 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-24 03:12:31,644 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-24 03:12:31,645 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-24 03:12:31,645 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-24 03:12:31,646 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-24 03:12:31,646 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-24 03:12:31,646 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-24 03:12:31,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 03:12:31,647 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-24 03:12:31,647 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-24 03:12:31,647 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-24 03:12:31,647 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-24 03:12:31,647 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-24 03:12:31,647 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-24 03:12:31,647 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-24 03:12:31,648 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-24 03:12:31,648 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-24 03:12:31,648 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-24 03:12:31,648 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-24 03:12:31,648 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-24 03:12:31,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-24 03:12:31,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-24 03:12:31,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-24 03:12:31,833 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-24 03:12:31,834 INFO L274 PluginConnector]: CDTParser initialized [2023-12-24 03:12:31,836 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-60.i [2023-12-24 03:12:32,887 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-24 03:12:33,065 INFO L384 CDTParser]: Found 1 translation units. [2023-12-24 03:12:33,066 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-60.i [2023-12-24 03:12:33,076 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef47d6659/01c69238c1ff4a13846952270211425e/FLAG03be5244c [2023-12-24 03:12:33,092 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef47d6659/01c69238c1ff4a13846952270211425e [2023-12-24 03:12:33,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-24 03:12:33,096 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-24 03:12:33,097 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-24 03:12:33,097 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-24 03:12:33,101 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-24 03:12:33,102 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 03:12:33" (1/1) ... [2023-12-24 03:12:33,103 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a53a0eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 03:12:33, skipping insertion in model container [2023-12-24 03:12:33,103 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 03:12:33" (1/1) ... [2023-12-24 03:12:33,136 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-24 03:12:33,262 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-60.i[915,928] [2023-12-24 03:12:33,328 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 03:12:33,340 INFO L202 MainTranslator]: Completed pre-run [2023-12-24 03:12:33,352 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-60.i[915,928] [2023-12-24 03:12:33,374 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 03:12:33,387 INFO L206 MainTranslator]: Completed translation [2023-12-24 03:12:33,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 03:12:33 WrapperNode [2023-12-24 03:12:33,388 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-24 03:12:33,389 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-24 03:12:33,389 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-24 03:12:33,389 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-24 03:12:33,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 03:12:33" (1/1) ... [2023-12-24 03:12:33,412 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 03:12:33" (1/1) ... [2023-12-24 03:12:33,440 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 156 [2023-12-24 03:12:33,440 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-24 03:12:33,441 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-24 03:12:33,441 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-24 03:12:33,441 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-24 03:12:33,449 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 03:12:33" (1/1) ... [2023-12-24 03:12:33,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 03:12:33" (1/1) ... [2023-12-24 03:12:33,474 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 03:12:33" (1/1) ... [2023-12-24 03:12:33,491 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]. [2023-12-24 03:12:33,491 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 03:12:33" (1/1) ... [2023-12-24 03:12:33,492 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 03:12:33" (1/1) ... [2023-12-24 03:12:33,503 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 03:12:33" (1/1) ... [2023-12-24 03:12:33,506 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 03:12:33" (1/1) ... [2023-12-24 03:12:33,507 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 03:12:33" (1/1) ... [2023-12-24 03:12:33,508 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 03:12:33" (1/1) ... [2023-12-24 03:12:33,511 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-24 03:12:33,511 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-24 03:12:33,511 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-24 03:12:33,511 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-24 03:12:33,520 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 03:12:33" (1/1) ... [2023-12-24 03:12:33,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 03:12:33,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-24 03:12:33,549 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) [2023-12-24 03:12:33,568 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 [2023-12-24 03:12:33,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-24 03:12:33,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-24 03:12:33,578 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-24 03:12:33,578 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-24 03:12:33,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-24 03:12:33,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-24 03:12:33,633 INFO L241 CfgBuilder]: Building ICFG [2023-12-24 03:12:33,634 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-24 03:12:47,286 INFO L282 CfgBuilder]: Performing block encoding [2023-12-24 03:12:47,353 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-24 03:12:47,354 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-24 03:12:47,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 03:12:47 BoogieIcfgContainer [2023-12-24 03:12:47,354 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-24 03:12:47,356 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-24 03:12:47,356 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-24 03:12:47,358 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-24 03:12:47,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.12 03:12:33" (1/3) ... [2023-12-24 03:12:47,359 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5abc6177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 03:12:47, skipping insertion in model container [2023-12-24 03:12:47,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 03:12:33" (2/3) ... [2023-12-24 03:12:47,359 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5abc6177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 03:12:47, skipping insertion in model container [2023-12-24 03:12:47,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 03:12:47" (3/3) ... [2023-12-24 03:12:47,360 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-60.i [2023-12-24 03:12:47,376 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-24 03:12:47,376 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-24 03:12:47,427 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-24 03:12:47,433 INFO L357 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, mHoare=true, 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;@75f76525, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-24 03:12:47,434 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-24 03:12:47,437 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 35 states have (on average 1.457142857142857) internal successors, (51), 36 states have internal predecessors, (51), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-24 03:12:47,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-12-24 03:12:47,449 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 03:12:47,450 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 03:12:47,451 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 03:12:47,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 03:12:47,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1696094701, now seen corresponding path program 1 times [2023-12-24 03:12:47,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 03:12:47,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1911234846] [2023-12-24 03:12:47,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 03:12:47,471 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 [2023-12-24 03:12:47,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 03:12:47,473 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) [2023-12-24 03:12:47,478 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 [2023-12-24 03:12:48,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 03:12:48,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-24 03:12:48,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 03:12:55,276 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-24 03:12:55,276 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 03:12:55,277 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 03:12:55,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1911234846] [2023-12-24 03:12:55,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1911234846] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 03:12:55,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 03:12:55,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-24 03:12:55,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470890299] [2023-12-24 03:12:55,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 03:12:55,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-24 03:12:55,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 03:12:55,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-24 03:12:55,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-24 03:12:55,303 INFO L87 Difference]: Start difference. First operand has 60 states, 35 states have (on average 1.457142857142857) internal successors, (51), 36 states have internal predecessors, (51), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-24 03:12:56,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 03:13:02,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.71s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 03:13:06,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 03:13:11,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.90s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 03:13:15,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 03:13:19,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.89s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 03:13:23,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 03:13:25,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 03:13:30,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.70s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 03:13:34,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 03:13:38,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 03:13:43,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.91s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 03:13:47,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 03:13:52,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.89s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 03:13:56,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 03:13:57,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 03:13:57,060 INFO L93 Difference]: Finished difference Result 183 states and 335 transitions. [2023-12-24 03:13:57,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-24 03:13:57,063 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 135 [2023-12-24 03:13:57,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 03:13:57,071 INFO L225 Difference]: With dead ends: 183 [2023-12-24 03:13:57,071 INFO L226 Difference]: Without dead ends: 118 [2023-12-24 03:13:57,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-24 03:13:57,081 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 54 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 46 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.6s IncrementalHoareTripleChecker+Time [2023-12-24 03:13:57,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 214 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 55 Invalid, 13 Unknown, 0 Unchecked, 61.6s Time] [2023-12-24 03:13:57,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-12-24 03:13:57,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 103. [2023-12-24 03:13:57,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 56 states have (on average 1.2321428571428572) internal successors, (69), 56 states have internal predecessors, (69), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-12-24 03:13:57,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 157 transitions. [2023-12-24 03:13:57,177 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 157 transitions. Word has length 135 [2023-12-24 03:13:57,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 03:13:57,193 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 157 transitions. [2023-12-24 03:13:57,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-24 03:13:57,193 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 157 transitions. [2023-12-24 03:13:57,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-12-24 03:13:57,202 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 03:13:57,202 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 03:13:57,249 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 [2023-12-24 03:13:57,402 WARN L477 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 [2023-12-24 03:13:57,403 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 03:13:57,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 03:13:57,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1445961606, now seen corresponding path program 1 times [2023-12-24 03:13:57,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 03:13:57,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [547132956] [2023-12-24 03:13:57,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 03:13:57,404 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 [2023-12-24 03:13:57,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 03:13:57,406 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) [2023-12-24 03:13:57,408 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 [2023-12-24 03:13:58,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 03:13:58,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-24 03:13:58,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 03:14:02,948 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-24 03:14:02,948 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 03:14:02,948 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 03:14:02,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [547132956] [2023-12-24 03:14:02,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [547132956] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 03:14:02,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 03:14:02,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-24 03:14:02,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060929756] [2023-12-24 03:14:02,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 03:14:02,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-24 03:14:02,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 03:14:02,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-24 03:14:02,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-24 03:14:02,953 INFO L87 Difference]: Start difference. First operand 103 states and 157 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-24 03:14:08,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.69s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 03:14:12,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 03:14:16,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 03:14:21,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.89s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 03:14:26,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 03:14:32,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.66s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 03:14:36,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 03:14:40,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 03:14:44,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 03:14:49,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.92s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 03:14:54,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.89s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 03:14:54,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 03:14:54,546 INFO L93 Difference]: Finished difference Result 174 states and 265 transitions. [2023-12-24 03:14:54,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-24 03:14:54,547 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 137 [2023-12-24 03:14:54,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 03:14:54,548 INFO L225 Difference]: With dead ends: 174 [2023-12-24 03:14:54,549 INFO L226 Difference]: Without dead ends: 116 [2023-12-24 03:14:54,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-24 03:14:54,550 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 63 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 45 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.3s IncrementalHoareTripleChecker+Time [2023-12-24 03:14:54,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 280 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 68 Invalid, 11 Unknown, 0 Unchecked, 51.3s Time] [2023-12-24 03:14:54,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-12-24 03:14:54,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 103. [2023-12-24 03:14:54,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 56 states have (on average 1.2142857142857142) internal successors, (68), 56 states have internal predecessors, (68), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-12-24 03:14:54,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 156 transitions. [2023-12-24 03:14:54,587 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 156 transitions. Word has length 137 [2023-12-24 03:14:54,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 03:14:54,587 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 156 transitions. [2023-12-24 03:14:54,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-24 03:14:54,587 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 156 transitions. [2023-12-24 03:14:54,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-12-24 03:14:54,588 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 03:14:54,588 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 03:14:54,611 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 [2023-12-24 03:14:54,789 WARN L477 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 [2023-12-24 03:14:54,789 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 03:14:54,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 03:14:54,790 INFO L85 PathProgramCache]: Analyzing trace with hash 2126019976, now seen corresponding path program 1 times [2023-12-24 03:14:54,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 03:14:54,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1693808465] [2023-12-24 03:14:54,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 03:14:54,790 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 [2023-12-24 03:14:54,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 03:14:54,792 INFO L229 MonitoredProcess]: Starting monitored process 4 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) [2023-12-24 03:14:54,811 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 (4)] Waiting until timeout for monitored process [2023-12-24 03:14:55,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 03:14:55,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-24 03:14:55,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 03:14:55,881 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-24 03:14:55,881 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 03:14:55,881 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 03:14:55,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1693808465] [2023-12-24 03:14:55,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1693808465] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 03:14:55,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 03:14:55,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-24 03:14:55,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67089603] [2023-12-24 03:14:55,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 03:14:55,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-24 03:14:55,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 03:14:55,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-24 03:14:55,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-24 03:14:55,883 INFO L87 Difference]: Start difference. First operand 103 states and 156 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-24 03:15:01,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.71s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 03:15:05,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 03:15:09,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 03:15:09,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 03:15:09,344 INFO L93 Difference]: Finished difference Result 171 states and 259 transitions. [2023-12-24 03:15:09,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-24 03:15:09,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 137 [2023-12-24 03:15:09,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 03:15:09,348 INFO L225 Difference]: With dead ends: 171 [2023-12-24 03:15:09,348 INFO L226 Difference]: Without dead ends: 114 [2023-12-24 03:15:09,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-24 03:15:09,349 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 12 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2023-12-24 03:15:09,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 159 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 3 Unknown, 0 Unchecked, 13.4s Time] [2023-12-24 03:15:09,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-12-24 03:15:09,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 108. [2023-12-24 03:15:09,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 61 states have (on average 1.2295081967213115) internal successors, (75), 61 states have internal predecessors, (75), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-12-24 03:15:09,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 163 transitions. [2023-12-24 03:15:09,361 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 163 transitions. Word has length 137 [2023-12-24 03:15:09,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 03:15:09,362 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 163 transitions. [2023-12-24 03:15:09,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-24 03:15:09,362 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 163 transitions. [2023-12-24 03:15:09,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-12-24 03:15:09,363 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 03:15:09,363 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 03:15:09,383 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 (4)] Forceful destruction successful, exit code 0 [2023-12-24 03:15:09,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /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 [2023-12-24 03:15:09,576 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 03:15:09,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 03:15:09,577 INFO L85 PathProgramCache]: Analyzing trace with hash -393939958, now seen corresponding path program 1 times [2023-12-24 03:15:09,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 03:15:09,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [481731677] [2023-12-24 03:15:09,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 03:15:09,578 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 [2023-12-24 03:15:09,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 03:15:09,579 INFO L229 MonitoredProcess]: Starting monitored process 5 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) [2023-12-24 03:15:09,613 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 (5)] Waiting until timeout for monitored process [2023-12-24 03:15:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 03:15:10,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-24 03:15:10,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-12-24 03:27:10,992 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-24 03:27:10,992 WARN L340 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 (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-24 03:27:10,995 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-24 03:27:11,017 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 (5)] Forceful destruction successful, exit code 0 [2023-12-24 03:27:11,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /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 [2023-12-24 03:27:11,201 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 138 with TraceHistMax 22,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-26-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 context. [2023-12-24 03:27:11,213 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-24 03:27:11,221 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-24 03:27:11,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.12 03:27:11 BoogieIcfgContainer [2023-12-24 03:27:11,223 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-24 03:27:11,224 INFO L158 Benchmark]: Toolchain (without parser) took 878128.39ms. Allocated memory was 287.3MB in the beginning and 2.5GB in the end (delta: 2.2GB). Free memory was 248.9MB in the beginning and 2.3GB in the end (delta: -2.0GB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. [2023-12-24 03:27:11,224 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 209.7MB. Free memory was 164.3MB in the beginning and 164.2MB in the end (delta: 161.8kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-24 03:27:11,224 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.98ms. Allocated memory is still 287.3MB. Free memory was 248.5MB in the beginning and 234.2MB in the end (delta: 14.3MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-12-24 03:27:11,225 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.65ms. Allocated memory is still 287.3MB. Free memory was 234.2MB in the beginning and 231.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-24 03:27:11,225 INFO L158 Benchmark]: Boogie Preprocessor took 69.54ms. Allocated memory is still 287.3MB. Free memory was 231.8MB in the beginning and 228.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-24 03:27:11,225 INFO L158 Benchmark]: RCFGBuilder took 13842.95ms. Allocated memory is still 287.3MB. Free memory was 228.3MB in the beginning and 206.6MB in the end (delta: 21.7MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2023-12-24 03:27:11,225 INFO L158 Benchmark]: TraceAbstraction took 863867.72ms. Allocated memory was 287.3MB in the beginning and 2.5GB in the end (delta: 2.2GB). Free memory was 205.9MB in the beginning and 2.3GB in the end (delta: -2.1GB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. [2023-12-24 03:27:11,227 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 209.7MB. Free memory was 164.3MB in the beginning and 164.2MB in the end (delta: 161.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 290.98ms. Allocated memory is still 287.3MB. Free memory was 248.5MB in the beginning and 234.2MB in the end (delta: 14.3MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 51.65ms. Allocated memory is still 287.3MB. Free memory was 234.2MB in the beginning and 231.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 69.54ms. Allocated memory is still 287.3MB. Free memory was 231.8MB in the beginning and 228.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 13842.95ms. Allocated memory is still 287.3MB. Free memory was 228.3MB in the beginning and 206.6MB in the end (delta: 21.7MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * TraceAbstraction took 863867.72ms. Allocated memory was 287.3MB in the beginning and 2.5GB in the end (delta: 2.2GB). Free memory was 205.9MB in the beginning and 2.3GB in the end (delta: -2.1GB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. * 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 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 138 with TraceHistMax 22,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-26-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 863.8s, OverallIterations: 4, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 126.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 27 mSolverCounterUnknown, 129 SdHoareTripleChecker+Valid, 126.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 129 mSDsluCounter, 653 SdHoareTripleChecker+Invalid, 122.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 409 mSDsCounter, 94 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 139 IncrementalHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 94 mSolverCounterUnsat, 244 mSDtfsCounter, 139 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 410 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=3, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 34 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 11.4s InterpolantComputationTime, 409 NumberOfCodeBlocks, 409 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 406 ConstructedInterpolants, 0 QuantifiedInterpolants, 2808 SizeOfPredicates, 12 NumberOfNonLiveVariables, 696 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2772/2772 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: Timeout Completed graceful shutdown