/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_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-30.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-20 22:44:16,351 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-20 22:44:16,443 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-20 22:44:16,447 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-20 22:44:16,447 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-20 22:44:16,479 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-20 22:44:16,479 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-20 22:44:16,480 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-20 22:44:16,480 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-20 22:44:16,484 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-20 22:44:16,484 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-20 22:44:16,485 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-20 22:44:16,485 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-20 22:44:16,487 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-20 22:44:16,487 INFO L153 SettingsManager]: * Use SBE=true [2023-12-20 22:44:16,487 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-20 22:44:16,487 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-20 22:44:16,487 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-20 22:44:16,488 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-20 22:44:16,488 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-20 22:44:16,489 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-20 22:44:16,489 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-20 22:44:16,490 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-20 22:44:16,490 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-20 22:44:16,490 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-20 22:44:16,490 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-20 22:44:16,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-20 22:44:16,491 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-20 22:44:16,491 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-20 22:44:16,491 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-20 22:44:16,492 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-20 22:44:16,493 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-20 22:44:16,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 22:44:16,493 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-20 22:44:16,493 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-20 22:44:16,493 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-20 22:44:16,493 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-20 22:44:16,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-20 22:44:16,494 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-20 22:44:16,494 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-20 22:44:16,494 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-20 22:44:16,494 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-20 22:44:16,494 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-20 22:44:16,494 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-20 22:44:16,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-20 22:44:16,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-20 22:44:16,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-20 22:44:16,744 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-20 22:44:16,745 INFO L274 PluginConnector]: CDTParser initialized [2023-12-20 22:44:16,746 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-30.i [2023-12-20 22:44:17,910 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-20 22:44:18,094 INFO L384 CDTParser]: Found 1 translation units. [2023-12-20 22:44:18,095 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-30.i [2023-12-20 22:44:18,103 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92c625113/97256960e73d4687b81e3657bbc195a5/FLAG85207bdf1 [2023-12-20 22:44:18,117 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92c625113/97256960e73d4687b81e3657bbc195a5 [2023-12-20 22:44:18,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-20 22:44:18,120 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-20 22:44:18,121 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-20 22:44:18,121 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-20 22:44:18,129 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-20 22:44:18,130 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 10:44:18" (1/1) ... [2023-12-20 22:44:18,131 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34ee9474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:44:18, skipping insertion in model container [2023-12-20 22:44:18,131 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 10:44:18" (1/1) ... [2023-12-20 22:44:18,174 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-20 22:44:18,281 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_100-while_file-30.i[916,929] [2023-12-20 22:44:18,351 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 22:44:18,361 INFO L202 MainTranslator]: Completed pre-run [2023-12-20 22:44:18,372 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_100-while_file-30.i[916,929] [2023-12-20 22:44:18,407 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 22:44:18,421 INFO L206 MainTranslator]: Completed translation [2023-12-20 22:44:18,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:44:18 WrapperNode [2023-12-20 22:44:18,422 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-20 22:44:18,423 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-20 22:44:18,423 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-20 22:44:18,423 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-20 22:44:18,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:44:18" (1/1) ... [2023-12-20 22:44:18,457 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:44:18" (1/1) ... [2023-12-20 22:44:18,525 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 223 [2023-12-20 22:44:18,525 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-20 22:44:18,526 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-20 22:44:18,526 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-20 22:44:18,526 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-20 22:44:18,536 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:44:18" (1/1) ... [2023-12-20 22:44:18,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:44:18" (1/1) ... [2023-12-20 22:44:18,550 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:44:18" (1/1) ... [2023-12-20 22:44:18,582 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]. [2023-12-20 22:44:18,582 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:44:18" (1/1) ... [2023-12-20 22:44:18,582 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:44:18" (1/1) ... [2023-12-20 22:44:18,592 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:44:18" (1/1) ... [2023-12-20 22:44:18,596 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:44:18" (1/1) ... [2023-12-20 22:44:18,598 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:44:18" (1/1) ... [2023-12-20 22:44:18,600 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:44:18" (1/1) ... [2023-12-20 22:44:18,604 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-20 22:44:18,611 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-20 22:44:18,611 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-20 22:44:18,611 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-20 22:44:18,612 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:44:18" (1/1) ... [2023-12-20 22:44:18,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 22:44:18,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 22:44:18,637 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) [2023-12-20 22:44:18,662 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 [2023-12-20 22:44:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-20 22:44:18,670 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-20 22:44:18,670 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-20 22:44:18,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-20 22:44:18,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-20 22:44:18,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-20 22:44:18,768 INFO L241 CfgBuilder]: Building ICFG [2023-12-20 22:44:18,769 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-20 22:44:19,172 INFO L282 CfgBuilder]: Performing block encoding [2023-12-20 22:44:19,201 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-20 22:44:19,201 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-20 22:44:19,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 10:44:19 BoogieIcfgContainer [2023-12-20 22:44:19,201 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-20 22:44:19,226 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-20 22:44:19,226 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-20 22:44:19,229 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-20 22:44:19,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.12 10:44:18" (1/3) ... [2023-12-20 22:44:19,230 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3399abc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 10:44:19, skipping insertion in model container [2023-12-20 22:44:19,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:44:18" (2/3) ... [2023-12-20 22:44:19,231 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3399abc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 10:44:19, skipping insertion in model container [2023-12-20 22:44:19,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 10:44:19" (3/3) ... [2023-12-20 22:44:19,232 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-30.i [2023-12-20 22:44:19,248 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-20 22:44:19,248 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-20 22:44:19,299 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-20 22:44:19,305 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;@25941c84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-20 22:44:19,306 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-20 22:44:19,311 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 55 states have (on average 1.490909090909091) internal successors, (82), 56 states have internal predecessors, (82), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-20 22:44:19,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-12-20 22:44:19,329 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 22:44:19,330 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 22:44:19,330 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 22:44:19,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 22:44:19,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1606957385, now seen corresponding path program 1 times [2023-12-20 22:44:19,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 22:44:19,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379384643] [2023-12-20 22:44:19,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:44:19,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 22:44:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:44:19,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 22:44:19,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379384643] [2023-12-20 22:44:19,567 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-20 22:44:19,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987393693] [2023-12-20 22:44:19,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:44:19,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 22:44:19,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 22:44:19,571 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 22:44:19,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-20 22:44:19,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:44:19,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-20 22:44:19,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 22:44:19,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2023-12-20 22:44:19,822 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 22:44:19,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1987393693] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 22:44:19,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 22:44:19,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 22:44:19,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674219587] [2023-12-20 22:44:19,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 22:44:19,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-20 22:44:19,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 22:44:19,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-20 22:44:19,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-20 22:44:19,874 INFO L87 Difference]: Start difference. First operand has 82 states, 55 states have (on average 1.490909090909091) internal successors, (82), 56 states have internal predecessors, (82), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-20 22:44:19,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 22:44:19,914 INFO L93 Difference]: Finished difference Result 160 states and 280 transitions. [2023-12-20 22:44:19,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-20 22:44:19,917 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) Word has length 159 [2023-12-20 22:44:19,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 22:44:19,922 INFO L225 Difference]: With dead ends: 160 [2023-12-20 22:44:19,922 INFO L226 Difference]: Without dead ends: 79 [2023-12-20 22:44:19,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-20 22:44:19,928 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 22:44:19,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 22:44:19,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-12-20 22:44:19,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-12-20 22:44:19,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 53 states have internal predecessors, (73), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-20 22:44:19,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 121 transitions. [2023-12-20 22:44:19,968 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 121 transitions. Word has length 159 [2023-12-20 22:44:19,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 22:44:19,968 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 121 transitions. [2023-12-20 22:44:19,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-20 22:44:19,969 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 121 transitions. [2023-12-20 22:44:19,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-12-20 22:44:19,972 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 22:44:19,972 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 22:44:19,978 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-20 22:44:20,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-20 22:44:20,179 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 22:44:20,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 22:44:20,179 INFO L85 PathProgramCache]: Analyzing trace with hash 623528307, now seen corresponding path program 1 times [2023-12-20 22:44:20,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 22:44:20,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83486203] [2023-12-20 22:44:20,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:44:20,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 22:44:20,266 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 22:44:20,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [773183868] [2023-12-20 22:44:20,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:44:20,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 22:44:20,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 22:44:20,275 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 22:44:20,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-20 22:44:20,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:44:20,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-20 22:44:20,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 22:44:20,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-12-20 22:44:20,717 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 22:44:20,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 22:44:20,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83486203] [2023-12-20 22:44:20,717 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-20 22:44:20,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [773183868] [2023-12-20 22:44:20,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [773183868] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 22:44:20,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 22:44:20,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 22:44:20,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311775969] [2023-12-20 22:44:20,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 22:44:20,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 22:44:20,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 22:44:20,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 22:44:20,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-20 22:44:20,724 INFO L87 Difference]: Start difference. First operand 79 states and 121 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-20 22:44:20,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 22:44:20,910 INFO L93 Difference]: Finished difference Result 281 states and 423 transitions. [2023-12-20 22:44:20,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-20 22:44:20,911 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 159 [2023-12-20 22:44:20,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 22:44:20,915 INFO L225 Difference]: With dead ends: 281 [2023-12-20 22:44:20,915 INFO L226 Difference]: Without dead ends: 203 [2023-12-20 22:44:20,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-20 22:44:20,917 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 148 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 22:44:20,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 390 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 22:44:20,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2023-12-20 22:44:20,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 149. [2023-12-20 22:44:20,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 98 states have (on average 1.3265306122448979) internal successors, (130), 98 states have internal predecessors, (130), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-12-20 22:44:20,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 226 transitions. [2023-12-20 22:44:20,945 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 226 transitions. Word has length 159 [2023-12-20 22:44:20,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 22:44:20,945 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 226 transitions. [2023-12-20 22:44:20,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-20 22:44:20,946 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 226 transitions. [2023-12-20 22:44:20,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-20 22:44:20,948 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 22:44:20,948 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 22:44:20,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-20 22:44:21,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-20 22:44:21,155 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 22:44:21,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 22:44:21,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1960607339, now seen corresponding path program 1 times [2023-12-20 22:44:21,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 22:44:21,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387849925] [2023-12-20 22:44:21,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:44:21,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 22:44:21,195 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 22:44:21,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [36766370] [2023-12-20 22:44:21,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:44:21,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 22:44:21,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 22:44:21,201 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 22:44:21,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-20 22:44:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:44:21,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-20 22:44:21,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 22:44:21,833 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 503 proven. 21 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2023-12-20 22:44:21,834 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 22:44:22,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 48 proven. 21 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-12-20 22:44:22,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 22:44:22,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387849925] [2023-12-20 22:44:22,145 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-20 22:44:22,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36766370] [2023-12-20 22:44:22,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36766370] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-20 22:44:22,145 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-20 22:44:22,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 17 [2023-12-20 22:44:22,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582511709] [2023-12-20 22:44:22,146 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-20 22:44:22,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-20 22:44:22,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 22:44:22,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-20 22:44:22,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2023-12-20 22:44:22,148 INFO L87 Difference]: Start difference. First operand 149 states and 226 transitions. Second operand has 17 states, 17 states have (on average 4.647058823529412) internal successors, (79), 17 states have internal predecessors, (79), 4 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2023-12-20 22:44:23,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 22:44:23,992 INFO L93 Difference]: Finished difference Result 835 states and 1212 transitions. [2023-12-20 22:44:23,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-12-20 22:44:23,993 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.647058823529412) internal successors, (79), 17 states have internal predecessors, (79), 4 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) Word has length 160 [2023-12-20 22:44:23,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 22:44:23,998 INFO L225 Difference]: With dead ends: 835 [2023-12-20 22:44:23,998 INFO L226 Difference]: Without dead ends: 687 [2023-12-20 22:44:24,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 310 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 817 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=748, Invalid=1904, Unknown=0, NotChecked=0, Total=2652 [2023-12-20 22:44:24,002 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 1410 mSDsluCounter, 1194 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 643 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1431 SdHoareTripleChecker+Valid, 1299 SdHoareTripleChecker+Invalid, 1483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 643 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-20 22:44:24,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1431 Valid, 1299 Invalid, 1483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [643 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-20 22:44:24,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2023-12-20 22:44:24,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 473. [2023-12-20 22:44:24,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 323 states have (on average 1.3095975232198143) internal successors, (423), 327 states have internal predecessors, (423), 136 states have call successors, (136), 13 states have call predecessors, (136), 13 states have return successors, (136), 132 states have call predecessors, (136), 136 states have call successors, (136) [2023-12-20 22:44:24,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 695 transitions. [2023-12-20 22:44:24,071 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 695 transitions. Word has length 160 [2023-12-20 22:44:24,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 22:44:24,072 INFO L495 AbstractCegarLoop]: Abstraction has 473 states and 695 transitions. [2023-12-20 22:44:24,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.647058823529412) internal successors, (79), 17 states have internal predecessors, (79), 4 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2023-12-20 22:44:24,072 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 695 transitions. [2023-12-20 22:44:24,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-12-20 22:44:24,074 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 22:44:24,074 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 22:44:24,084 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-20 22:44:24,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 22:44:24,281 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 22:44:24,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 22:44:24,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1480928626, now seen corresponding path program 1 times [2023-12-20 22:44:24,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 22:44:24,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500265739] [2023-12-20 22:44:24,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:44:24,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 22:44:24,339 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 22:44:24,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1007853428] [2023-12-20 22:44:24,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:44:24,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 22:44:24,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 22:44:24,341 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 22:44:24,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-20 22:44:24,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:44:24,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-20 22:44:24,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 22:44:26,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 650 proven. 33 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2023-12-20 22:44:26,380 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 22:45:57,932 WARN L293 SmtUtils]: Spent 5.89s on a formula simplification. DAG size of input: 7 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-20 22:52:10,675 WARN L293 SmtUtils]: Spent 7.39s on a formula simplification. DAG size of input: 7 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-20 22:56:17,880 WARN L293 SmtUtils]: Spent 8.05s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2023-12-20 22:58:44,306 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-20 22:58:44,314 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-20 22:58:44,333 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-20 22:58:44,334 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 [2023-12-20 22:58:44,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 22:58:44,511 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 162 with TraceHistMax 24,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-20-2-5-3-3-3-2-2-2-2-2-4-3-3-2-3-2-3-2-1 context. [2023-12-20 22:58:44,514 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-20 22:58:44,517 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-20 22:58:44,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.12 10:58:44 BoogieIcfgContainer [2023-12-20 22:58:44,519 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-20 22:58:44,519 INFO L158 Benchmark]: Toolchain (without parser) took 866399.24ms. Allocated memory was 186.6MB in the beginning and 703.6MB in the end (delta: 516.9MB). Free memory was 151.0MB in the beginning and 347.7MB in the end (delta: -196.8MB). Peak memory consumption was 433.1MB. Max. memory is 8.0GB. [2023-12-20 22:58:44,519 INFO L158 Benchmark]: CDTParser took 1.29ms. Allocated memory is still 186.6MB. Free memory is still 144.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-20 22:58:44,520 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.59ms. Allocated memory is still 186.6MB. Free memory was 151.0MB in the beginning and 133.7MB in the end (delta: 17.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-12-20 22:58:44,520 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.28ms. Allocated memory is still 186.6MB. Free memory was 133.7MB in the beginning and 128.9MB in the end (delta: 4.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-20 22:58:44,520 INFO L158 Benchmark]: Boogie Preprocessor took 78.35ms. Allocated memory is still 186.6MB. Free memory was 128.5MB in the beginning and 121.2MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-12-20 22:58:44,521 INFO L158 Benchmark]: RCFGBuilder took 590.58ms. Allocated memory is still 186.6MB. Free memory was 121.2MB in the beginning and 91.2MB in the end (delta: 30.0MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2023-12-20 22:58:44,521 INFO L158 Benchmark]: TraceAbstraction took 865292.53ms. Allocated memory was 278.9MB in the beginning and 703.6MB in the end (delta: 424.7MB). Free memory was 251.8MB in the beginning and 347.7MB in the end (delta: -96.0MB). Peak memory consumption was 440.0MB. Max. memory is 8.0GB. [2023-12-20 22:58:44,522 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.29ms. Allocated memory is still 186.6MB. Free memory is still 144.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 301.59ms. Allocated memory is still 186.6MB. Free memory was 151.0MB in the beginning and 133.7MB in the end (delta: 17.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 102.28ms. Allocated memory is still 186.6MB. Free memory was 133.7MB in the beginning and 128.9MB in the end (delta: 4.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 78.35ms. Allocated memory is still 186.6MB. Free memory was 128.5MB in the beginning and 121.2MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 590.58ms. Allocated memory is still 186.6MB. Free memory was 121.2MB in the beginning and 91.2MB in the end (delta: 30.0MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * TraceAbstraction took 865292.53ms. Allocated memory was 278.9MB in the beginning and 703.6MB in the end (delta: 424.7MB). Free memory was 251.8MB in the beginning and 347.7MB in the end (delta: -96.0MB). Peak memory consumption was 440.0MB. 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 162 with TraceHistMax 24,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-20-2-5-3-3-3-2-2-2-2-2-4-3-3-2-3-2-3-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 82 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 865.2s, OverallIterations: 4, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1579 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1558 mSDsluCounter, 1807 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1444 mSDsCounter, 696 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 873 IncrementalHoareTripleChecker+Invalid, 1569 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 696 mSolverCounterUnsat, 363 mSDtfsCounter, 873 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 678 GetRequests, 624 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 817 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=473occurred in iteration=3, InterpolantAutomatonStates: 51, 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, 268 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 637 NumberOfCodeBlocks, 637 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 634 ConstructedInterpolants, 0 QuantifiedInterpolants, 1730 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1218 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 4374/4416 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