/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_operatoramount_amount250_file-46.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-20 23:52:36,792 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-20 23:52:36,839 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 23:52:36,842 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-20 23:52:36,842 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-20 23:52:36,857 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-20 23:52:36,858 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-20 23:52:36,858 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-20 23:52:36,858 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-20 23:52:36,859 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-20 23:52:36,859 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-20 23:52:36,859 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-20 23:52:36,859 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-20 23:52:36,860 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-20 23:52:36,860 INFO L153 SettingsManager]: * Use SBE=true [2023-12-20 23:52:36,860 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-20 23:52:36,860 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-20 23:52:36,861 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-20 23:52:36,861 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-20 23:52:36,861 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-20 23:52:36,861 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-20 23:52:36,864 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-20 23:52:36,864 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-20 23:52:36,864 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-20 23:52:36,865 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-20 23:52:36,865 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-20 23:52:36,865 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-20 23:52:36,865 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-20 23:52:36,865 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-20 23:52:36,866 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-20 23:52:36,866 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-20 23:52:36,866 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-20 23:52:36,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 23:52:36,866 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-20 23:52:36,867 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-20 23:52:36,867 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-20 23:52:36,867 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-20 23:52:36,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-20 23:52:36,867 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-20 23:52:36,868 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-20 23:52:36,868 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-20 23:52:36,872 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-20 23:52:36,872 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-20 23:52:36,872 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-20 23:52:37,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-20 23:52:37,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-20 23:52:37,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-20 23:52:37,071 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-20 23:52:37,072 INFO L274 PluginConnector]: CDTParser initialized [2023-12-20 23:52:37,072 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-46.i [2023-12-20 23:52:38,103 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-20 23:52:38,288 INFO L384 CDTParser]: Found 1 translation units. [2023-12-20 23:52:38,294 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-46.i [2023-12-20 23:52:38,310 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9de049ad/8805c17874164f83b2c4c96c3dfa4470/FLAG6e87b989e [2023-12-20 23:52:38,319 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9de049ad/8805c17874164f83b2c4c96c3dfa4470 [2023-12-20 23:52:38,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-20 23:52:38,321 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-20 23:52:38,322 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-20 23:52:38,322 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-20 23:52:38,325 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-20 23:52:38,326 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 11:52:38" (1/1) ... [2023-12-20 23:52:38,326 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76daa71a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:52:38, skipping insertion in model container [2023-12-20 23:52:38,326 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 11:52:38" (1/1) ... [2023-12-20 23:52:38,370 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-20 23:52:38,483 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_operatoramount_amount250_file-46.i[916,929] [2023-12-20 23:52:38,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 23:52:38,632 INFO L202 MainTranslator]: Completed pre-run [2023-12-20 23:52:38,641 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_operatoramount_amount250_file-46.i[916,929] [2023-12-20 23:52:38,683 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 23:52:38,696 INFO L206 MainTranslator]: Completed translation [2023-12-20 23:52:38,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:52:38 WrapperNode [2023-12-20 23:52:38,696 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-20 23:52:38,697 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-20 23:52:38,697 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-20 23:52:38,697 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-20 23:52:38,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:52:38" (1/1) ... [2023-12-20 23:52:38,714 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:52:38" (1/1) ... [2023-12-20 23:52:38,755 INFO L138 Inliner]: procedures = 26, calls = 69, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 399 [2023-12-20 23:52:38,755 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-20 23:52:38,756 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-20 23:52:38,756 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-20 23:52:38,756 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-20 23:52:38,763 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:52:38" (1/1) ... [2023-12-20 23:52:38,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:52:38" (1/1) ... [2023-12-20 23:52:38,769 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:52:38" (1/1) ... [2023-12-20 23:52:38,812 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 23:52:38,812 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:52:38" (1/1) ... [2023-12-20 23:52:38,813 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:52:38" (1/1) ... [2023-12-20 23:52:38,822 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:52:38" (1/1) ... [2023-12-20 23:52:38,825 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:52:38" (1/1) ... [2023-12-20 23:52:38,828 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:52:38" (1/1) ... [2023-12-20 23:52:38,831 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:52:38" (1/1) ... [2023-12-20 23:52:38,838 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-20 23:52:38,838 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-20 23:52:38,838 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-20 23:52:38,839 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-20 23:52:38,839 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:52:38" (1/1) ... [2023-12-20 23:52:38,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 23:52:38,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:52:38,893 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 23:52:38,910 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 23:52:38,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-20 23:52:38,916 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-20 23:52:38,916 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-20 23:52:38,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-20 23:52:38,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-20 23:52:38,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-20 23:52:38,990 INFO L241 CfgBuilder]: Building ICFG [2023-12-20 23:52:38,991 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-20 23:52:39,415 INFO L282 CfgBuilder]: Performing block encoding [2023-12-20 23:52:39,439 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-20 23:52:39,439 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-20 23:52:39,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 11:52:39 BoogieIcfgContainer [2023-12-20 23:52:39,440 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-20 23:52:39,441 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-20 23:52:39,441 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-20 23:52:39,443 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-20 23:52:39,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.12 11:52:38" (1/3) ... [2023-12-20 23:52:39,444 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ff64675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 11:52:39, skipping insertion in model container [2023-12-20 23:52:39,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:52:38" (2/3) ... [2023-12-20 23:52:39,444 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ff64675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 11:52:39, skipping insertion in model container [2023-12-20 23:52:39,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 11:52:39" (3/3) ... [2023-12-20 23:52:39,445 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-46.i [2023-12-20 23:52:39,455 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-20 23:52:39,455 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-20 23:52:39,485 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-20 23:52:39,489 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;@3d4ea8b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-20 23:52:39,489 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-20 23:52:39,492 INFO L276 IsEmpty]: Start isEmpty. Operand has 152 states, 93 states have (on average 1.4516129032258065) internal successors, (135), 94 states have internal predecessors, (135), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-12-20 23:52:39,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2023-12-20 23:52:39,506 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:52:39,507 INFO L195 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:52:39,507 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:52:39,510 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:52:39,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1984974518, now seen corresponding path program 1 times [2023-12-20 23:52:39,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:52:39,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24819504] [2023-12-20 23:52:39,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:52:39,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:52:39,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:52:39,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 23:52:39,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24819504] [2023-12-20 23:52:39,818 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-20 23:52:39,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [492311708] [2023-12-20 23:52:39,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:52:39,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:52:39,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:52:39,824 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 23:52:39,847 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 23:52:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:52:40,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 856 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-20 23:52:40,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 23:52:40,184 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 6050 trivial. 0 not checked. [2023-12-20 23:52:40,184 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 23:52:40,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [492311708] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 23:52:40,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 23:52:40,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 23:52:40,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655558859] [2023-12-20 23:52:40,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 23:52:40,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-20 23:52:40,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 23:52:40,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-20 23:52:40,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-20 23:52:40,227 INFO L87 Difference]: Start difference. First operand has 152 states, 93 states have (on average 1.4516129032258065) internal successors, (135), 94 states have internal predecessors, (135), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) Second operand has 2 states, 2 states have (on average 40.5) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 2 states have call successors, (56) [2023-12-20 23:52:40,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 23:52:40,290 INFO L93 Difference]: Finished difference Result 301 states and 548 transitions. [2023-12-20 23:52:40,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-20 23:52:40,293 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 40.5) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 2 states have call successors, (56) Word has length 356 [2023-12-20 23:52:40,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 23:52:40,300 INFO L225 Difference]: With dead ends: 301 [2023-12-20 23:52:40,300 INFO L226 Difference]: Without dead ends: 150 [2023-12-20 23:52:40,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 355 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 23:52:40,310 INFO L413 NwaCegarLoop]: 239 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, 239 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 23:52:40,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 239 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 23:52:40,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2023-12-20 23:52:40,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2023-12-20 23:52:40,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 92 states have (on average 1.4130434782608696) internal successors, (130), 92 states have internal predecessors, (130), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-12-20 23:52:40,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 242 transitions. [2023-12-20 23:52:40,364 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 242 transitions. Word has length 356 [2023-12-20 23:52:40,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 23:52:40,365 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 242 transitions. [2023-12-20 23:52:40,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 40.5) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 2 states have call successors, (56) [2023-12-20 23:52:40,366 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 242 transitions. [2023-12-20 23:52:40,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2023-12-20 23:52:40,374 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:52:40,375 INFO L195 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:52:40,399 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 23:52:40,581 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 23:52:40,581 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:52:40,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:52:40,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1085350958, now seen corresponding path program 1 times [2023-12-20 23:52:40,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:52:40,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145339479] [2023-12-20 23:52:40,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:52:40,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:52:40,657 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 23:52:40,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [886201859] [2023-12-20 23:52:40,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:52:40,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:52:40,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:52:40,672 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 23:52:40,701 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 23:52:40,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:52:40,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 856 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-20 23:52:40,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 23:52:41,171 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 3025 proven. 66 refuted. 0 times theorem prover too weak. 3069 trivial. 0 not checked. [2023-12-20 23:52:41,171 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 23:52:41,452 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 99 proven. 66 refuted. 0 times theorem prover too weak. 5995 trivial. 0 not checked. [2023-12-20 23:52:41,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 23:52:41,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145339479] [2023-12-20 23:52:41,452 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-20 23:52:41,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886201859] [2023-12-20 23:52:41,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [886201859] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-20 23:52:41,453 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-20 23:52:41,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-12-20 23:52:41,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793913024] [2023-12-20 23:52:41,454 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-20 23:52:41,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-20 23:52:41,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 23:52:41,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-20 23:52:41,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-20 23:52:41,459 INFO L87 Difference]: Start difference. First operand 150 states and 242 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 2 states have call successors, (78), 2 states have call predecessors, (78), 4 states have return successors, (79), 2 states have call predecessors, (79), 2 states have call successors, (79) [2023-12-20 23:52:41,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 23:52:41,733 INFO L93 Difference]: Finished difference Result 307 states and 490 transitions. [2023-12-20 23:52:41,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-20 23:52:41,734 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 2 states have call successors, (78), 2 states have call predecessors, (78), 4 states have return successors, (79), 2 states have call predecessors, (79), 2 states have call successors, (79) Word has length 356 [2023-12-20 23:52:41,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 23:52:41,736 INFO L225 Difference]: With dead ends: 307 [2023-12-20 23:52:41,736 INFO L226 Difference]: Without dead ends: 158 [2023-12-20 23:52:41,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 714 GetRequests, 704 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-20 23:52:41,737 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 122 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-20 23:52:41,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 416 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-20 23:52:41,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2023-12-20 23:52:41,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 154. [2023-12-20 23:52:41,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 95 states have (on average 1.3894736842105264) internal successors, (132), 95 states have internal predecessors, (132), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-12-20 23:52:41,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 244 transitions. [2023-12-20 23:52:41,752 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 244 transitions. Word has length 356 [2023-12-20 23:52:41,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 23:52:41,753 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 244 transitions. [2023-12-20 23:52:41,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 2 states have call successors, (78), 2 states have call predecessors, (78), 4 states have return successors, (79), 2 states have call predecessors, (79), 2 states have call successors, (79) [2023-12-20 23:52:41,754 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 244 transitions. [2023-12-20 23:52:41,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2023-12-20 23:52:41,757 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:52:41,757 INFO L195 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:52:41,774 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 23:52:41,963 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 23:52:41,964 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:52:41,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:52:41,964 INFO L85 PathProgramCache]: Analyzing trace with hash 74233708, now seen corresponding path program 1 times [2023-12-20 23:52:41,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:52:41,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804169513] [2023-12-20 23:52:41,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:52:41,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:52:42,003 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 23:52:42,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1962031720] [2023-12-20 23:52:42,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:52:42,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:52:42,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:52:42,023 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 23:52:42,073 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 23:52:42,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:52:42,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 857 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-20 23:52:42,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 23:52:42,751 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 3404 proven. 210 refuted. 0 times theorem prover too weak. 2546 trivial. 0 not checked. [2023-12-20 23:52:42,752 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 23:52:43,434 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 114 proven. 213 refuted. 0 times theorem prover too weak. 5833 trivial. 0 not checked. [2023-12-20 23:52:43,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 23:52:43,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804169513] [2023-12-20 23:52:43,435 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-20 23:52:43,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1962031720] [2023-12-20 23:52:43,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1962031720] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-20 23:52:43,435 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-20 23:52:43,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2023-12-20 23:52:43,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919679216] [2023-12-20 23:52:43,435 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-20 23:52:43,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-20 23:52:43,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 23:52:43,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-20 23:52:43,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2023-12-20 23:52:43,439 INFO L87 Difference]: Start difference. First operand 154 states and 244 transitions. Second operand has 14 states, 14 states have (on average 9.071428571428571) internal successors, (127), 14 states have internal predecessors, (127), 5 states have call successors, (95), 3 states have call predecessors, (95), 7 states have return successors, (96), 5 states have call predecessors, (96), 5 states have call successors, (96) [2023-12-20 23:52:43,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 23:52:43,929 INFO L93 Difference]: Finished difference Result 325 states and 503 transitions. [2023-12-20 23:52:43,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-20 23:52:43,929 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 9.071428571428571) internal successors, (127), 14 states have internal predecessors, (127), 5 states have call successors, (95), 3 states have call predecessors, (95), 7 states have return successors, (96), 5 states have call predecessors, (96), 5 states have call successors, (96) Word has length 356 [2023-12-20 23:52:43,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 23:52:43,932 INFO L225 Difference]: With dead ends: 325 [2023-12-20 23:52:43,932 INFO L226 Difference]: Without dead ends: 172 [2023-12-20 23:52:43,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 722 GetRequests, 699 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=205, Invalid=395, Unknown=0, NotChecked=0, Total=600 [2023-12-20 23:52:43,935 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 503 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 520 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-20 23:52:43,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [520 Valid, 522 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-20 23:52:43,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2023-12-20 23:52:43,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 162. [2023-12-20 23:52:43,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 101 states have (on average 1.3564356435643565) internal successors, (137), 101 states have internal predecessors, (137), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-12-20 23:52:43,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 249 transitions. [2023-12-20 23:52:43,965 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 249 transitions. Word has length 356 [2023-12-20 23:52:43,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 23:52:43,966 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 249 transitions. [2023-12-20 23:52:43,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 9.071428571428571) internal successors, (127), 14 states have internal predecessors, (127), 5 states have call successors, (95), 3 states have call predecessors, (95), 7 states have return successors, (96), 5 states have call predecessors, (96), 5 states have call successors, (96) [2023-12-20 23:52:43,967 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 249 transitions. [2023-12-20 23:52:43,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2023-12-20 23:52:43,970 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:52:43,970 INFO L195 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:52:43,976 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 23:52:44,175 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 23:52:44,176 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:52:44,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:52:44,176 INFO L85 PathProgramCache]: Analyzing trace with hash 2125217706, now seen corresponding path program 1 times [2023-12-20 23:52:44,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:52:44,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791428700] [2023-12-20 23:52:44,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:52:44,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:52:44,232 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 23:52:44,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1651303612] [2023-12-20 23:52:44,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:52:44,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:52:44,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:52:44,234 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 23:52:44,236 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 23:52:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:52:44,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 857 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-20 23:52:44,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 23:52:44,651 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 2829 proven. 108 refuted. 0 times theorem prover too weak. 3223 trivial. 0 not checked. [2023-12-20 23:52:44,651 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 23:52:44,903 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 57 proven. 108 refuted. 0 times theorem prover too weak. 5995 trivial. 0 not checked. [2023-12-20 23:52:44,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 23:52:44,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791428700] [2023-12-20 23:52:44,903 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-20 23:52:44,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651303612] [2023-12-20 23:52:44,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651303612] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-20 23:52:44,903 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-20 23:52:44,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-12-20 23:52:44,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717887761] [2023-12-20 23:52:44,904 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-20 23:52:44,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 23:52:44,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 23:52:44,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 23:52:44,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-20 23:52:44,905 INFO L87 Difference]: Start difference. First operand 162 states and 249 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 8 states have internal predecessors, (115), 3 states have call successors, (92), 2 states have call predecessors, (92), 4 states have return successors, (93), 3 states have call predecessors, (93), 3 states have call successors, (93) [2023-12-20 23:52:45,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 23:52:45,175 INFO L93 Difference]: Finished difference Result 331 states and 504 transitions. [2023-12-20 23:52:45,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-20 23:52:45,175 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 8 states have internal predecessors, (115), 3 states have call successors, (92), 2 states have call predecessors, (92), 4 states have return successors, (93), 3 states have call predecessors, (93), 3 states have call successors, (93) Word has length 356 [2023-12-20 23:52:45,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 23:52:45,177 INFO L225 Difference]: With dead ends: 331 [2023-12-20 23:52:45,177 INFO L226 Difference]: Without dead ends: 170 [2023-12-20 23:52:45,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 714 GetRequests, 704 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2023-12-20 23:52:45,178 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 216 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-20 23:52:45,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 410 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-20 23:52:45,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2023-12-20 23:52:45,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 166. [2023-12-20 23:52:45,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 104 states have (on average 1.3365384615384615) internal successors, (139), 104 states have internal predecessors, (139), 56 states have call successors, (56), 5 states have call predecessors, (56), 5 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-12-20 23:52:45,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 251 transitions. [2023-12-20 23:52:45,187 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 251 transitions. Word has length 356 [2023-12-20 23:52:45,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 23:52:45,190 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 251 transitions. [2023-12-20 23:52:45,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 8 states have internal predecessors, (115), 3 states have call successors, (92), 2 states have call predecessors, (92), 4 states have return successors, (93), 3 states have call predecessors, (93), 3 states have call successors, (93) [2023-12-20 23:52:45,191 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 251 transitions. [2023-12-20 23:52:45,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2023-12-20 23:52:45,209 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:52:45,209 INFO L195 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:52:45,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-20 23:52:45,415 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 23:52:45,416 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:52:45,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:52:45,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1281212204, now seen corresponding path program 1 times [2023-12-20 23:52:45,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:52:45,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323944385] [2023-12-20 23:52:45,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:52:45,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:52:45,455 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 23:52:45,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1667977365] [2023-12-20 23:52:45,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:52:45,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:52:45,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:52:45,481 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 23:52:45,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-20 23:52:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:52:45,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 854 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-20 23:52:45,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 23:52:45,898 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 2673 proven. 114 refuted. 0 times theorem prover too weak. 3373 trivial. 0 not checked. [2023-12-20 23:52:45,898 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 23:52:46,138 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 51 proven. 114 refuted. 0 times theorem prover too weak. 5995 trivial. 0 not checked. [2023-12-20 23:52:46,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 23:52:46,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323944385] [2023-12-20 23:52:46,141 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-20 23:52:46,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667977365] [2023-12-20 23:52:46,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1667977365] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-20 23:52:46,145 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-20 23:52:46,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2023-12-20 23:52:46,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836928192] [2023-12-20 23:52:46,145 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-20 23:52:46,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-20 23:52:46,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 23:52:46,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-20 23:52:46,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-12-20 23:52:46,147 INFO L87 Difference]: Start difference. First operand 166 states and 251 transitions. Second operand has 12 states, 12 states have (on average 11.083333333333334) internal successors, (133), 12 states have internal predecessors, (133), 3 states have call successors, (94), 2 states have call predecessors, (94), 4 states have return successors, (95), 3 states have call predecessors, (95), 3 states have call successors, (95) [2023-12-20 23:52:46,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 23:52:46,482 INFO L93 Difference]: Finished difference Result 342 states and 509 transitions. [2023-12-20 23:52:46,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-20 23:52:46,483 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.083333333333334) internal successors, (133), 12 states have internal predecessors, (133), 3 states have call successors, (94), 2 states have call predecessors, (94), 4 states have return successors, (95), 3 states have call predecessors, (95), 3 states have call successors, (95) Word has length 356 [2023-12-20 23:52:46,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 23:52:46,484 INFO L225 Difference]: With dead ends: 342 [2023-12-20 23:52:46,484 INFO L226 Difference]: Without dead ends: 177 [2023-12-20 23:52:46,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 717 GetRequests, 700 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=102, Invalid=240, Unknown=0, NotChecked=0, Total=342 [2023-12-20 23:52:46,485 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 129 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 737 SdHoareTripleChecker+Invalid, 655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-20 23:52:46,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 737 Invalid, 655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-20 23:52:46,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2023-12-20 23:52:46,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 173. [2023-12-20 23:52:46,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 109 states have (on average 1.3027522935779816) internal successors, (142), 109 states have internal predecessors, (142), 56 states have call successors, (56), 7 states have call predecessors, (56), 7 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-12-20 23:52:46,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 254 transitions. [2023-12-20 23:52:46,513 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 254 transitions. Word has length 356 [2023-12-20 23:52:46,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 23:52:46,515 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 254 transitions. [2023-12-20 23:52:46,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.083333333333334) internal successors, (133), 12 states have internal predecessors, (133), 3 states have call successors, (94), 2 states have call predecessors, (94), 4 states have return successors, (95), 3 states have call predecessors, (95), 3 states have call successors, (95) [2023-12-20 23:52:46,516 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 254 transitions. [2023-12-20 23:52:46,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2023-12-20 23:52:46,518 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:52:46,518 INFO L195 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:52:46,542 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-20 23:52:46,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:52:46,719 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:52:46,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:52:46,720 INFO L85 PathProgramCache]: Analyzing trace with hash -163856340, now seen corresponding path program 1 times [2023-12-20 23:52:46,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:52:46,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436946755] [2023-12-20 23:52:46,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:52:46,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:52:46,762 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 23:52:46,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1819262330] [2023-12-20 23:52:46,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:52:46,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:52:46,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:52:46,773 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 23:52:46,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-20 23:52:47,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:52:47,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 855 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-20 23:52:47,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-12-21 00:07:18,231 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-21 00:07:18,241 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 [2023-12-21 00:07:18,241 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-21 00:07:18,241 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-21 00:07:18,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 00:07:18,441 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 357 with TraceHistMax 56,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-66-6-31-6-3-4-3-5-3-6-3-5-3-6-3-6-4-5-3-4-2-4-2-6-2-5-2-6-2-6-2-5-2-4-2-6-2-5-2-4-2-3-2-2-1 context. [2023-12-21 00:07:18,445 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-12-21 00:07:18,447 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-21 00:07:18,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 12:07:18 BoogieIcfgContainer [2023-12-21 00:07:18,452 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-21 00:07:18,452 INFO L158 Benchmark]: Toolchain (without parser) took 880130.72ms. Allocated memory was 168.8MB in the beginning and 1.1GB in the end (delta: 925.9MB). Free memory was 124.7MB in the beginning and 868.2MB in the end (delta: -743.4MB). Peak memory consumption was 667.1MB. Max. memory is 8.0GB. [2023-12-21 00:07:18,453 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 168.8MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-21 00:07:18,453 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.18ms. Allocated memory is still 168.8MB. Free memory was 124.4MB in the beginning and 98.8MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2023-12-21 00:07:18,453 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.59ms. Allocated memory is still 168.8MB. Free memory was 98.8MB in the beginning and 88.0MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-12-21 00:07:18,454 INFO L158 Benchmark]: Boogie Preprocessor took 81.96ms. Allocated memory is still 168.8MB. Free memory was 87.7MB in the beginning and 122.5MB in the end (delta: -34.8MB). Peak memory consumption was 11.2MB. Max. memory is 8.0GB. [2023-12-21 00:07:18,454 INFO L158 Benchmark]: RCFGBuilder took 601.23ms. Allocated memory is still 168.8MB. Free memory was 121.9MB in the beginning and 62.7MB in the end (delta: 59.2MB). Peak memory consumption was 59.8MB. Max. memory is 8.0GB. [2023-12-21 00:07:18,454 INFO L158 Benchmark]: TraceAbstraction took 879010.73ms. Allocated memory was 168.8MB in the beginning and 1.1GB in the end (delta: 925.9MB). Free memory was 62.2MB in the beginning and 868.2MB in the end (delta: -806.0MB). Peak memory consumption was 603.5MB. Max. memory is 8.0GB. [2023-12-21 00:07:18,456 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 168.8MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 374.18ms. Allocated memory is still 168.8MB. Free memory was 124.4MB in the beginning and 98.8MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 58.59ms. Allocated memory is still 168.8MB. Free memory was 98.8MB in the beginning and 88.0MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 81.96ms. Allocated memory is still 168.8MB. Free memory was 87.7MB in the beginning and 122.5MB in the end (delta: -34.8MB). Peak memory consumption was 11.2MB. Max. memory is 8.0GB. * RCFGBuilder took 601.23ms. Allocated memory is still 168.8MB. Free memory was 121.9MB in the beginning and 62.7MB in the end (delta: 59.2MB). Peak memory consumption was 59.8MB. Max. memory is 8.0GB. * TraceAbstraction took 879010.73ms. Allocated memory was 168.8MB in the beginning and 1.1GB in the end (delta: 925.9MB). Free memory was 62.2MB in the beginning and 868.2MB in the end (delta: -806.0MB). Peak memory consumption was 603.5MB. 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 357 with TraceHistMax 56,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-66-6-31-6-3-4-3-5-3-6-3-5-3-6-3-6-4-5-3-4-2-4-2-6-2-5-2-6-2-6-2-5-2-4-2-6-2-5-2-4-2-3-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 152 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 879.0s, OverallIterations: 6, TraceHistogramMax: 56, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1055 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 970 mSDsluCounter, 2324 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1389 mSDsCounter, 199 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1704 IncrementalHoareTripleChecker+Invalid, 1903 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 199 mSolverCounterUnsat, 935 mSDtfsCounter, 1704 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3222 GetRequests, 3162 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=173occurred in iteration=5, InterpolantAutomatonStates: 49, 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, 5 MinimizatonAttempts, 22 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 2136 NumberOfCodeBlocks, 2136 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 3195 ConstructedInterpolants, 0 QuantifiedInterpolants, 8357 SizeOfPredicates, 22 NumberOfNonLiveVariables, 4280 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 54441/55440 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