/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/heap-data/shared_mem2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-24 21:52:40,516 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-24 21:52:40,576 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 21:52:40,579 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-24 21:52:40,579 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-24 21:52:40,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-24 21:52:40,598 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-24 21:52:40,598 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-24 21:52:40,598 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-24 21:52:40,599 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-24 21:52:40,599 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-24 21:52:40,599 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-24 21:52:40,599 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-24 21:52:40,600 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-24 21:52:40,600 INFO L153 SettingsManager]: * Use SBE=true [2023-12-24 21:52:40,600 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-24 21:52:40,600 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-24 21:52:40,601 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-24 21:52:40,601 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-24 21:52:40,601 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-24 21:52:40,601 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-24 21:52:40,605 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-24 21:52:40,605 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-24 21:52:40,605 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-24 21:52:40,605 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-24 21:52:40,605 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-24 21:52:40,606 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-24 21:52:40,606 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-24 21:52:40,606 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-24 21:52:40,606 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-24 21:52:40,606 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-24 21:52:40,607 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-24 21:52:40,607 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-24 21:52:40,607 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-24 21:52:40,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 21:52:40,607 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-24 21:52:40,608 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-24 21:52:40,608 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-24 21:52:40,608 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-24 21:52:40,608 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-24 21:52:40,608 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-24 21:52:40,609 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-24 21:52:40,609 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-24 21:52:40,609 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-24 21:52:40,609 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-24 21:52:40,609 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-24 21:52:40,610 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-24 21:52:40,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-24 21:52:40,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-24 21:52:40,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-24 21:52:40,838 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-24 21:52:40,840 INFO L274 PluginConnector]: CDTParser initialized [2023-12-24 21:52:40,841 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-data/shared_mem2.i [2023-12-24 21:52:41,948 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-24 21:52:42,115 INFO L384 CDTParser]: Found 1 translation units. [2023-12-24 21:52:42,115 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-data/shared_mem2.i [2023-12-24 21:52:42,123 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f7176d19/b7b95ca0780e4b0e870ab36f38c2fd98/FLAG90410feca [2023-12-24 21:52:42,133 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f7176d19/b7b95ca0780e4b0e870ab36f38c2fd98 [2023-12-24 21:52:42,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-24 21:52:42,136 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-24 21:52:42,137 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-24 21:52:42,137 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-24 21:52:42,140 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-24 21:52:42,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 09:52:42" (1/1) ... [2023-12-24 21:52:42,141 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@188b0168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 09:52:42, skipping insertion in model container [2023-12-24 21:52:42,141 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 09:52:42" (1/1) ... [2023-12-24 21:52:42,183 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-24 21:52:42,419 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/heap-data/shared_mem2.i[23827,23840] [2023-12-24 21:52:42,423 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 21:52:42,441 INFO L202 MainTranslator]: Completed pre-run [2023-12-24 21:52:42,487 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/heap-data/shared_mem2.i[23827,23840] [2023-12-24 21:52:42,492 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 21:52:42,514 INFO L206 MainTranslator]: Completed translation [2023-12-24 21:52:42,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 09:52:42 WrapperNode [2023-12-24 21:52:42,516 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-24 21:52:42,517 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-24 21:52:42,517 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-24 21:52:42,517 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-24 21:52:42,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 09:52:42" (1/1) ... [2023-12-24 21:52:42,547 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 09:52:42" (1/1) ... [2023-12-24 21:52:42,566 INFO L138 Inliner]: procedures = 124, calls = 27, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 70 [2023-12-24 21:52:42,566 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-24 21:52:42,566 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-24 21:52:42,567 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-24 21:52:42,567 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-24 21:52:42,574 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 09:52:42" (1/1) ... [2023-12-24 21:52:42,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 09:52:42" (1/1) ... [2023-12-24 21:52:42,581 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 09:52:42" (1/1) ... [2023-12-24 21:52:42,597 INFO L175 MemorySlicer]: Split 20 memory accesses to 2 slices as follows [2, 18]. 90 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 9 writes are split as follows [0, 9]. [2023-12-24 21:52:42,598 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 09:52:42" (1/1) ... [2023-12-24 21:52:42,598 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 09:52:42" (1/1) ... [2023-12-24 21:52:42,616 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 09:52:42" (1/1) ... [2023-12-24 21:52:42,618 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 09:52:42" (1/1) ... [2023-12-24 21:52:42,620 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 09:52:42" (1/1) ... [2023-12-24 21:52:42,620 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 09:52:42" (1/1) ... [2023-12-24 21:52:42,622 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-24 21:52:42,623 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-24 21:52:42,623 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-24 21:52:42,623 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-24 21:52:42,624 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 09:52:42" (1/1) ... [2023-12-24 21:52:42,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 21:52:42,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-24 21:52:42,668 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 21:52:42,671 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 21:52:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-12-24 21:52:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-12-24 21:52:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-24 21:52:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-24 21:52:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-12-24 21:52:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-12-24 21:52:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-12-24 21:52:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-12-24 21:52:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-12-24 21:52:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-12-24 21:52:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-24 21:52:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-12-24 21:52:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-24 21:52:42,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-24 21:52:42,799 INFO L241 CfgBuilder]: Building ICFG [2023-12-24 21:52:42,800 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-24 21:52:43,501 INFO L282 CfgBuilder]: Performing block encoding [2023-12-24 21:52:43,519 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-24 21:52:43,520 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-24 21:52:43,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 09:52:43 BoogieIcfgContainer [2023-12-24 21:52:43,520 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-24 21:52:43,521 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-24 21:52:43,522 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-24 21:52:43,524 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-24 21:52:43,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.12 09:52:42" (1/3) ... [2023-12-24 21:52:43,525 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d905b45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 09:52:43, skipping insertion in model container [2023-12-24 21:52:43,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 09:52:42" (2/3) ... [2023-12-24 21:52:43,525 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d905b45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 09:52:43, skipping insertion in model container [2023-12-24 21:52:43,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 09:52:43" (3/3) ... [2023-12-24 21:52:43,526 INFO L112 eAbstractionObserver]: Analyzing ICFG shared_mem2.i [2023-12-24 21:52:43,538 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-24 21:52:43,539 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-24 21:52:43,568 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-24 21:52:43,573 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;@62606a54, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-24 21:52:43,573 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-24 21:52:43,576 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 15 states have internal predecessors, (22), 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) [2023-12-24 21:52:43,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-24 21:52:43,582 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 21:52:43,582 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-12-24 21:52:43,583 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 21:52:43,591 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 21:52:43,591 INFO L85 PathProgramCache]: Analyzing trace with hash -360346597, now seen corresponding path program 1 times [2023-12-24 21:52:43,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 21:52:43,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1457688714] [2023-12-24 21:52:43,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 21:52:43,603 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 21:52:43,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 21:52:43,627 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 21:52:43,691 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 21:52:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 21:52:43,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-24 21:52:43,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 21:52:43,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 21:52:43,819 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 21:52:43,819 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 21:52:43,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1457688714] [2023-12-24 21:52:43,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1457688714] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 21:52:43,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 21:52:43,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-24 21:52:43,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526450407] [2023-12-24 21:52:43,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 21:52:43,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-24 21:52:43,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 21:52:43,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-24 21:52:43,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-24 21:52:43,850 INFO L87 Difference]: Start difference. First operand has 16 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 15 states have internal predecessors, (22), 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) [2023-12-24 21:52:44,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 21:52:44,329 INFO L93 Difference]: Finished difference Result 27 states and 36 transitions. [2023-12-24 21:52:44,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-24 21:52:44,330 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 [2023-12-24 21:52:44,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 21:52:44,338 INFO L225 Difference]: With dead ends: 27 [2023-12-24 21:52:44,339 INFO L226 Difference]: Without dead ends: 14 [2023-12-24 21:52:44,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-24 21:52:44,342 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-24 21:52:44,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-24 21:52:44,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2023-12-24 21:52:44,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2023-12-24 21:52:44,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 13 states have internal predecessors, (17), 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) [2023-12-24 21:52:44,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2023-12-24 21:52:44,362 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 17 transitions. Word has length 7 [2023-12-24 21:52:44,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 21:52:44,363 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 17 transitions. [2023-12-24 21:52:44,363 INFO L496 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) [2023-12-24 21:52:44,364 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2023-12-24 21:52:44,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-24 21:52:44,364 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 21:52:44,364 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 21:52:44,368 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-24 21:52:44,567 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 21:52:44,568 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 21:52:44,568 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 21:52:44,568 INFO L85 PathProgramCache]: Analyzing trace with hash -537092116, now seen corresponding path program 1 times [2023-12-24 21:52:44,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 21:52:44,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [115921795] [2023-12-24 21:52:44,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 21:52:44,569 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 21:52:44,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 21:52:44,570 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 21:52:44,618 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 21:52:44,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 21:52:44,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-24 21:52:44,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 21:52:44,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2023-12-24 21:52:44,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-24 21:52:44,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-24 21:52:44,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-12-24 21:52:44,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 21:52:44,828 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 21:52:44,828 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 21:52:44,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [115921795] [2023-12-24 21:52:44,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [115921795] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 21:52:44,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 21:52:44,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-24 21:52:44,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806424419] [2023-12-24 21:52:44,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 21:52:44,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-24 21:52:44,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 21:52:44,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-24 21:52:44,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-24 21:52:44,831 INFO L87 Difference]: Start difference. First operand 14 states and 17 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-12-24 21:52:46,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 21:52:46,351 INFO L93 Difference]: Finished difference Result 27 states and 33 transitions. [2023-12-24 21:52:46,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-24 21:52:46,351 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2023-12-24 21:52:46,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 21:52:46,352 INFO L225 Difference]: With dead ends: 27 [2023-12-24 21:52:46,352 INFO L226 Difference]: Without dead ends: 23 [2023-12-24 21:52:46,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-24 21:52:46,353 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 7 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-24 21:52:46,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 36 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-24 21:52:46,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2023-12-24 21:52:46,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2023-12-24 21:52:46,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 22 states have internal predecessors, (29), 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) [2023-12-24 21:52:46,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 29 transitions. [2023-12-24 21:52:46,356 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 29 transitions. Word has length 9 [2023-12-24 21:52:46,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 21:52:46,357 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 29 transitions. [2023-12-24 21:52:46,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-12-24 21:52:46,357 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2023-12-24 21:52:46,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-24 21:52:46,357 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 21:52:46,357 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 21:52:46,360 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-24 21:52:46,559 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 21:52:46,560 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 21:52:46,560 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 21:52:46,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1797671363, now seen corresponding path program 1 times [2023-12-24 21:52:46,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 21:52:46,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1986522034] [2023-12-24 21:52:46,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 21:52:46,561 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 21:52:46,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 21:52:46,563 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 21:52:46,564 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 21:52:46,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 21:52:46,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-24 21:52:46,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 21:52:46,683 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 48 [2023-12-24 21:52:46,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2023-12-24 21:52:46,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 48 [2023-12-24 21:52:46,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 55 [2023-12-24 21:52:46,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2023-12-24 21:52:46,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2023-12-24 21:52:47,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 28 [2023-12-24 21:52:47,607 INFO L349 Elim1Store]: treesize reduction 19, result has 48.6 percent of original size [2023-12-24 21:52:47,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 216 treesize of output 200 [2023-12-24 21:52:47,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 78 [2023-12-24 21:52:47,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 48 [2023-12-24 21:52:47,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2023-12-24 21:52:47,815 INFO L349 Elim1Store]: treesize reduction 58, result has 24.7 percent of original size [2023-12-24 21:52:47,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 28 [2023-12-24 21:52:47,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2023-12-24 21:52:47,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2023-12-24 21:52:48,042 INFO L349 Elim1Store]: treesize reduction 34, result has 37.0 percent of original size [2023-12-24 21:52:48,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 63 [2023-12-24 21:52:49,368 INFO L349 Elim1Store]: treesize reduction 24, result has 89.7 percent of original size [2023-12-24 21:52:49,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 3 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 110 treesize of output 266 [2023-12-24 21:52:49,749 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 21:52:49,749 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 21:52:50,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 21:52:50,431 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 21:52:50,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1986522034] [2023-12-24 21:52:50,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1986522034] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 21:52:50,432 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 21:52:50,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2023-12-24 21:52:50,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476531631] [2023-12-24 21:52:50,432 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 21:52:50,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-24 21:52:50,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 21:52:50,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-24 21:52:50,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2023-12-24 21:52:50,433 INFO L87 Difference]: Start difference. First operand 23 states and 29 transitions. Second operand has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 16 states have internal predecessors, (24), 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) [2023-12-24 21:52:57,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-24 21:52:59,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-24 21:53:00,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-24 21:53:04,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-24 21:53:06,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-24 21:53:07,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-24 21:53:09,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-24 21:53:20,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 21:53:20,084 INFO L93 Difference]: Finished difference Result 46 states and 57 transitions. [2023-12-24 21:53:20,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-24 21:53:20,088 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 16 states have internal predecessors, (24), 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 13 [2023-12-24 21:53:20,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 21:53:20,089 INFO L225 Difference]: With dead ends: 46 [2023-12-24 21:53:20,089 INFO L226 Difference]: Without dead ends: 40 [2023-12-24 21:53:20,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=205, Invalid=665, Unknown=0, NotChecked=0, Total=870 [2023-12-24 21:53:20,091 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 71 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 9 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.9s IncrementalHoareTripleChecker+Time [2023-12-24 21:53:20,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 113 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 130 Invalid, 5 Unknown, 0 Unchecked, 20.9s Time] [2023-12-24 21:53:20,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-12-24 21:53:20,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 30. [2023-12-24 21:53:20,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 29 states have internal predecessors, (38), 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) [2023-12-24 21:53:20,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 38 transitions. [2023-12-24 21:53:20,098 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 38 transitions. Word has length 13 [2023-12-24 21:53:20,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 21:53:20,098 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 38 transitions. [2023-12-24 21:53:20,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 16 states have internal predecessors, (24), 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) [2023-12-24 21:53:20,099 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2023-12-24 21:53:20,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-24 21:53:20,099 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 21:53:20,099 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 21:53:20,115 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 21:53:20,300 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 21:53:20,300 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 21:53:20,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 21:53:20,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1292285579, now seen corresponding path program 1 times [2023-12-24 21:53:20,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 21:53:20,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [727825916] [2023-12-24 21:53:20,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 21:53:20,301 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 21:53:20,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 21:53:20,302 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 21:53:20,308 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 21:53:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 21:53:20,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-24 21:53:20,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 21:53:20,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2023-12-24 21:53:20,419 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-12-24 21:53:20,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 15 [2023-12-24 21:53:20,425 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-12-24 21:53:20,441 INFO L349 Elim1Store]: treesize reduction 19, result has 26.9 percent of original size [2023-12-24 21:53:20,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 15 [2023-12-24 21:53:20,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-24 21:53:20,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-24 21:53:20,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-24 21:53:20,500 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2023-12-24 21:53:20,509 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-12-24 21:53:20,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-12-24 21:53:20,530 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-24 21:53:20,531 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 21:53:20,569 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_150 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_149 (Array (_ BitVec 32) (_ BitVec 32))) (|v_ULTIMATE.start_main_#t~malloc7#1.base_11| (_ BitVec 32))) (or (bvslt (select (select (store (store |c_#memory_int#1| |v_ULTIMATE.start_main_#t~malloc7#1.base_11| v_ArrVal_149) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_150) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) (_ bv100 32)) (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_11|))))) is different from false [2023-12-24 21:53:20,585 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2023-12-24 21:53:20,585 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 21:53:20,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [727825916] [2023-12-24 21:53:20,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [727825916] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 21:53:20,585 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 21:53:20,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2023-12-24 21:53:20,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321414781] [2023-12-24 21:53:20,585 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 21:53:20,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-24 21:53:20,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 21:53:20,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-24 21:53:20,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=28, Unknown=1, NotChecked=10, Total=56 [2023-12-24 21:53:20,587 INFO L87 Difference]: Start difference. First operand 30 states and 38 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 7 states have internal predecessors, (23), 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) [2023-12-24 21:53:22,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 21:53:22,189 INFO L93 Difference]: Finished difference Result 42 states and 52 transitions. [2023-12-24 21:53:22,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-24 21:53:22,189 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 7 states have internal predecessors, (23), 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 13 [2023-12-24 21:53:22,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 21:53:22,190 INFO L225 Difference]: With dead ends: 42 [2023-12-24 21:53:22,190 INFO L226 Difference]: Without dead ends: 38 [2023-12-24 21:53:22,190 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=36, Unknown=1, NotChecked=12, Total=72 [2023-12-24 21:53:22,191 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 12 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 15 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-24 21:53:22,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 35 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 15 Unchecked, 1.6s Time] [2023-12-24 21:53:22,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-12-24 21:53:22,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 30. [2023-12-24 21:53:22,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 29 states have internal predecessors, (38), 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) [2023-12-24 21:53:22,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 38 transitions. [2023-12-24 21:53:22,198 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 38 transitions. Word has length 13 [2023-12-24 21:53:22,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 21:53:22,198 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 38 transitions. [2023-12-24 21:53:22,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 7 states have internal predecessors, (23), 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) [2023-12-24 21:53:22,198 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2023-12-24 21:53:22,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-24 21:53:22,198 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 21:53:22,198 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 21:53:22,205 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 21:53:22,403 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 21:53:22,403 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 21:53:22,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 21:53:22,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1826017254, now seen corresponding path program 2 times [2023-12-24 21:53:22,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 21:53:22,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2088541233] [2023-12-24 21:53:22,404 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-24 21:53:22,404 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 21:53:22,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 21:53:22,405 INFO L229 MonitoredProcess]: Starting monitored process 6 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 21:53:22,407 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 (6)] Waiting until timeout for monitored process [2023-12-24 21:53:22,579 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-24 21:53:22,579 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-24 21:53:22,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 40 conjunts are in the unsatisfiable core [2023-12-24 21:53:22,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 21:53:22,647 INFO L349 Elim1Store]: treesize reduction 92, result has 26.4 percent of original size [2023-12-24 21:53:22,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 41 [2023-12-24 21:53:22,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2023-12-24 21:53:22,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-12-24 21:53:22,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2023-12-24 21:53:22,953 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2023-12-24 21:53:22,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 83 [2023-12-24 21:53:22,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 29 [2023-12-24 21:53:23,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 20 [2023-12-24 21:53:27,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 17 [2023-12-24 21:53:27,245 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 10 [2023-12-24 21:53:27,392 INFO L349 Elim1Store]: treesize reduction 36, result has 60.4 percent of original size [2023-12-24 21:53:27,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 70 [2023-12-24 21:53:47,330 WARN L293 SmtUtils]: Spent 19.21s on a formula simplification. DAG size of input: 777 DAG size of output: 761 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-12-24 21:53:47,331 INFO L349 Elim1Store]: treesize reduction 96, result has 94.6 percent of original size [2023-12-24 21:53:47,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 213 treesize of output 1825 Received shutdown request... [2023-12-24 22:07:13,137 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 22:07:13,162 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 (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-24 22:07:13,196 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-24 22:07:13,207 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 (6)] Forceful destruction successful, exit code 0 [2023-12-24 22:07:13,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /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 22:07:13,397 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 18 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-134-14-3-2-8-4-1 context. [2023-12-24 22:07:13,401 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2023-12-24 22:07:13,402 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-24 22:07:13,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.12 10:07:13 BoogieIcfgContainer [2023-12-24 22:07:13,404 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-24 22:07:13,404 INFO L158 Benchmark]: Toolchain (without parser) took 871268.02ms. Allocated memory was 265.3MB in the beginning and 318.8MB in the end (delta: 53.5MB). Free memory was 216.5MB in the beginning and 262.5MB in the end (delta: -45.9MB). Peak memory consumption was 181.2MB. Max. memory is 8.0GB. [2023-12-24 22:07:13,404 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 170.9MB. Free memory was 124.4MB in the beginning and 124.3MB in the end (delta: 128.9kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-24 22:07:13,404 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.23ms. Allocated memory is still 265.3MB. Free memory was 216.5MB in the beginning and 197.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-12-24 22:07:13,405 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.38ms. Allocated memory is still 265.3MB. Free memory was 197.7MB in the beginning and 195.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-24 22:07:13,405 INFO L158 Benchmark]: Boogie Preprocessor took 55.95ms. Allocated memory is still 265.3MB. Free memory was 195.5MB in the beginning and 192.9MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-24 22:07:13,405 INFO L158 Benchmark]: RCFGBuilder took 897.11ms. Allocated memory is still 265.3MB. Free memory was 192.9MB in the beginning and 177.6MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-12-24 22:07:13,405 INFO L158 Benchmark]: TraceAbstraction took 869882.29ms. Allocated memory was 265.3MB in the beginning and 318.8MB in the end (delta: 53.5MB). Free memory was 176.7MB in the beginning and 262.5MB in the end (delta: -85.8MB). Peak memory consumption was 141.4MB. Max. memory is 8.0GB. [2023-12-24 22:07:13,406 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 170.9MB. Free memory was 124.4MB in the beginning and 124.3MB in the end (delta: 128.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 379.23ms. Allocated memory is still 265.3MB. Free memory was 216.5MB in the beginning and 197.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 49.38ms. Allocated memory is still 265.3MB. Free memory was 197.7MB in the beginning and 195.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 55.95ms. Allocated memory is still 265.3MB. Free memory was 195.5MB in the beginning and 192.9MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 897.11ms. Allocated memory is still 265.3MB. Free memory was 192.9MB in the beginning and 177.6MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 869882.29ms. Allocated memory was 265.3MB in the beginning and 318.8MB in the end (delta: 53.5MB). Free memory was 176.7MB in the beginning and 262.5MB in the end (delta: -85.8MB). Peak memory consumption was 141.4MB. 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: 601]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 601). Cancelled while NwaCegarLoop was analyzing trace of length 18 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-134-14-3-2-8-4-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 869.8s, OverallIterations: 5, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 33.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 mSolverCounterUnknown, 90 SdHoareTripleChecker+Valid, 24.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 90 mSDsluCounter, 201 SdHoareTripleChecker+Invalid, 24.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 15 IncrementalHoareTripleChecker+Unchecked, 150 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 167 IncrementalHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 51 mSDtfsCounter, 167 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 38 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 10.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=3, InterpolantAutomatonStates: 29, 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, 4 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 62 ConstructedInterpolants, 13 QuantifiedInterpolants, 2647 SizeOfPredicates, 21 NumberOfNonLiveVariables, 320 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 0/8 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