/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-87.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 04:02:32,386 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 04:02:32,453 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-16 04:02:32,455 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 04:02:32,456 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 04:02:32,471 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 04:02:32,472 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 04:02:32,472 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 04:02:32,473 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 04:02:32,476 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 04:02:32,476 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 04:02:32,476 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 04:02:32,476 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 04:02:32,477 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 04:02:32,477 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 04:02:32,478 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 04:02:32,478 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 04:02:32,478 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 04:02:32,478 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 04:02:32,478 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 04:02:32,478 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 04:02:32,479 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 04:02:32,479 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 04:02:32,479 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 04:02:32,479 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 04:02:32,479 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 04:02:32,479 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 04:02:32,479 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 04:02:32,480 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 04:02:32,480 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 04:02:32,481 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 04:02:32,481 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 04:02:32,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 04:02:32,481 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 04:02:32,481 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 04:02:32,481 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 04:02:32,481 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 04:02:32,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 04:02:32,482 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 04:02:32,482 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 04:02:32,482 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 04:02:32,482 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 04:02:32,482 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 04:02:32,482 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 04:02:32,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 04:02:32,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 04:02:32,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 04:02:32,724 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 04:02:32,724 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 04:02:32,725 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-87.i [2023-12-16 04:02:33,809 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 04:02:34,010 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 04:02:34,011 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-87.i [2023-12-16 04:02:34,030 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/412791107/352d3f4158714f21b292e0119cb517da/FLAGf870b2e27 [2023-12-16 04:02:34,043 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/412791107/352d3f4158714f21b292e0119cb517da [2023-12-16 04:02:34,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 04:02:34,046 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 04:02:34,048 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 04:02:34,048 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 04:02:34,051 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 04:02:34,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:02:34" (1/1) ... [2023-12-16 04:02:34,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73435ead and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:02:34, skipping insertion in model container [2023-12-16 04:02:34,052 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:02:34" (1/1) ... [2023-12-16 04:02:34,091 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 04:02:34,201 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-87.i[916,929] [2023-12-16 04:02:34,308 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 04:02:34,323 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 04:02:34,330 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-87.i[916,929] [2023-12-16 04:02:34,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 04:02:34,408 INFO L206 MainTranslator]: Completed translation [2023-12-16 04:02:34,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:02:34 WrapperNode [2023-12-16 04:02:34,408 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 04:02:34,409 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 04:02:34,409 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 04:02:34,409 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 04:02:34,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:02:34" (1/1) ... [2023-12-16 04:02:34,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:02:34" (1/1) ... [2023-12-16 04:02:34,558 INFO L138 Inliner]: procedures = 26, calls = 75, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 441 [2023-12-16 04:02:34,559 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 04:02:34,560 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 04:02:34,560 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 04:02:34,560 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 04:02:34,567 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:02:34" (1/1) ... [2023-12-16 04:02:34,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:02:34" (1/1) ... [2023-12-16 04:02:34,583 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:02:34" (1/1) ... [2023-12-16 04:02:34,626 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]. [2023-12-16 04:02:34,627 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:02:34" (1/1) ... [2023-12-16 04:02:34,627 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:02:34" (1/1) ... [2023-12-16 04:02:34,651 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:02:34" (1/1) ... [2023-12-16 04:02:34,654 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:02:34" (1/1) ... [2023-12-16 04:02:34,669 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:02:34" (1/1) ... [2023-12-16 04:02:34,672 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:02:34" (1/1) ... [2023-12-16 04:02:34,683 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 04:02:34,684 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 04:02:34,684 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 04:02:34,684 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 04:02:34,684 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:02:34" (1/1) ... [2023-12-16 04:02:34,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 04:02:34,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:02:34,717 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) [2023-12-16 04:02:34,723 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 [2023-12-16 04:02:34,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 04:02:34,740 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 04:02:34,740 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 04:02:34,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 04:02:34,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 04:02:34,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 04:02:34,835 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 04:02:34,837 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 04:02:35,428 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 04:02:35,465 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 04:02:35,465 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 04:02:35,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:02:35 BoogieIcfgContainer [2023-12-16 04:02:35,465 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 04:02:35,467 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 04:02:35,467 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 04:02:35,469 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 04:02:35,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:02:34" (1/3) ... [2023-12-16 04:02:35,469 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57608411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:02:35, skipping insertion in model container [2023-12-16 04:02:35,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:02:34" (2/3) ... [2023-12-16 04:02:35,470 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57608411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:02:35, skipping insertion in model container [2023-12-16 04:02:35,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:02:35" (3/3) ... [2023-12-16 04:02:35,470 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-87.i [2023-12-16 04:02:35,481 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 04:02:35,482 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 04:02:35,524 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 04:02:35,529 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;@6dd3b466, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 04:02:35,529 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 04:02:35,534 INFO L276 IsEmpty]: Start isEmpty. Operand has 170 states, 105 states have (on average 1.4761904761904763) internal successors, (155), 106 states have internal predecessors, (155), 62 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-12-16 04:02:35,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2023-12-16 04:02:35,566 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:02:35,567 INFO L195 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:02:35,568 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:02:35,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:02:35,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1827264495, now seen corresponding path program 1 times [2023-12-16 04:02:35,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:02:35,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314167652] [2023-12-16 04:02:35,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:02:35,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:02:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:02:35,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:02:35,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314167652] [2023-12-16 04:02:35,814 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-16 04:02:35,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [496156092] [2023-12-16 04:02:35,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:02:35,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:02:35,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:02:35,837 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) [2023-12-16 04:02:35,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-16 04:02:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:02:36,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 901 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 04:02:36,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:02:36,146 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 7442 trivial. 0 not checked. [2023-12-16 04:02:36,146 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:02:36,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [496156092] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:02:36,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:02:36,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 04:02:36,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014382240] [2023-12-16 04:02:36,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:02:36,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 04:02:36,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:02:36,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 04:02:36,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 04:02:36,176 INFO L87 Difference]: Start difference. First operand has 170 states, 105 states have (on average 1.4761904761904763) internal successors, (155), 106 states have internal predecessors, (155), 62 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) Second operand has 2 states, 2 states have (on average 39.5) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 2 states have call successors, (62) [2023-12-16 04:02:36,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:02:36,224 INFO L93 Difference]: Finished difference Result 337 states and 618 transitions. [2023-12-16 04:02:36,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 04:02:36,226 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 39.5) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 2 states have call successors, (62) Word has length 384 [2023-12-16 04:02:36,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:02:36,236 INFO L225 Difference]: With dead ends: 337 [2023-12-16 04:02:36,236 INFO L226 Difference]: Without dead ends: 168 [2023-12-16 04:02:36,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 383 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 04:02:36,247 INFO L413 NwaCegarLoop]: 271 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, 271 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 [2023-12-16 04:02:36,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 271 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 04:02:36,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2023-12-16 04:02:36,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2023-12-16 04:02:36,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 104 states have (on average 1.4423076923076923) internal successors, (150), 104 states have internal predecessors, (150), 62 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-12-16 04:02:36,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 274 transitions. [2023-12-16 04:02:36,294 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 274 transitions. Word has length 384 [2023-12-16 04:02:36,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:02:36,295 INFO L495 AbstractCegarLoop]: Abstraction has 168 states and 274 transitions. [2023-12-16 04:02:36,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 39.5) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 2 states have call successors, (62) [2023-12-16 04:02:36,295 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 274 transitions. [2023-12-16 04:02:36,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2023-12-16 04:02:36,300 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:02:36,304 INFO L195 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:02:36,324 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-16 04:02:36,511 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 [2023-12-16 04:02:36,512 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:02:36,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:02:36,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1051787839, now seen corresponding path program 1 times [2023-12-16 04:02:36,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:02:36,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507555287] [2023-12-16 04:02:36,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:02:36,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:02:36,575 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:02:36,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1182586097] [2023-12-16 04:02:36,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:02:36,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:02:36,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:02:36,629 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) [2023-12-16 04:02:36,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-16 04:02:36,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:02:36,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 901 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 04:02:36,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:02:36,962 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7564 trivial. 0 not checked. [2023-12-16 04:02:36,962 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:02:36,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:02:36,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507555287] [2023-12-16 04:02:36,962 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:02:36,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1182586097] [2023-12-16 04:02:36,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1182586097] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:02:36,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:02:36,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 04:02:36,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984353545] [2023-12-16 04:02:36,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:02:36,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 04:02:36,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:02:36,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 04:02:36,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 04:02:36,969 INFO L87 Difference]: Start difference. First operand 168 states and 274 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2023-12-16 04:02:37,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:02:37,089 INFO L93 Difference]: Finished difference Result 498 states and 812 transitions. [2023-12-16 04:02:37,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 04:02:37,090 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) Word has length 384 [2023-12-16 04:02:37,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:02:37,097 INFO L225 Difference]: With dead ends: 498 [2023-12-16 04:02:37,097 INFO L226 Difference]: Without dead ends: 331 [2023-12-16 04:02:37,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 04:02:37,100 INFO L413 NwaCegarLoop]: 514 mSDtfsCounter, 262 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 04:02:37,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 765 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 04:02:37,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2023-12-16 04:02:37,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 173. [2023-12-16 04:02:37,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 109 states have (on average 1.4403669724770642) internal successors, (157), 109 states have internal predecessors, (157), 62 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-12-16 04:02:37,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 281 transitions. [2023-12-16 04:02:37,138 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 281 transitions. Word has length 384 [2023-12-16 04:02:37,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:02:37,139 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 281 transitions. [2023-12-16 04:02:37,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2023-12-16 04:02:37,139 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 281 transitions. [2023-12-16 04:02:37,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2023-12-16 04:02:37,143 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:02:37,143 INFO L195 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:02:37,170 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-16 04:02:37,344 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 [2023-12-16 04:02:37,344 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:02:37,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:02:37,345 INFO L85 PathProgramCache]: Analyzing trace with hash 999196159, now seen corresponding path program 1 times [2023-12-16 04:02:37,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:02:37,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917952383] [2023-12-16 04:02:37,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:02:37,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:02:37,429 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:02:37,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [875780885] [2023-12-16 04:02:37,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:02:37,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:02:37,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:02:37,444 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) [2023-12-16 04:02:37,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-16 04:02:37,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:02:37,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 04:02:37,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:02:38,079 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 2583 proven. 144 refuted. 0 times theorem prover too weak. 4837 trivial. 0 not checked. [2023-12-16 04:02:38,079 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 04:02:38,320 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 39 proven. 144 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2023-12-16 04:02:38,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:02:38,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917952383] [2023-12-16 04:02:38,320 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:02:38,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875780885] [2023-12-16 04:02:38,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875780885] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 04:02:38,321 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 04:02:38,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-12-16 04:02:38,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690210619] [2023-12-16 04:02:38,321 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 04:02:38,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 04:02:38,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:02:38,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 04:02:38,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-16 04:02:38,323 INFO L87 Difference]: Start difference. First operand 173 states and 281 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 2 states have call successors, (110), 2 states have call predecessors, (110), 4 states have return successors, (111), 2 states have call predecessors, (111), 2 states have call successors, (111) [2023-12-16 04:02:38,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:02:38,608 INFO L93 Difference]: Finished difference Result 352 states and 566 transitions. [2023-12-16 04:02:38,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 04:02:38,608 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 2 states have call successors, (110), 2 states have call predecessors, (110), 4 states have return successors, (111), 2 states have call predecessors, (111), 2 states have call successors, (111) Word has length 384 [2023-12-16 04:02:38,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:02:38,610 INFO L225 Difference]: With dead ends: 352 [2023-12-16 04:02:38,610 INFO L226 Difference]: Without dead ends: 180 [2023-12-16 04:02:38,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 770 GetRequests, 760 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-16 04:02:38,611 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 223 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 04:02:38,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 460 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 04:02:38,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2023-12-16 04:02:38,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 176. [2023-12-16 04:02:38,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 111 states have (on average 1.4054054054054055) internal successors, (156), 111 states have internal predecessors, (156), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-12-16 04:02:38,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 280 transitions. [2023-12-16 04:02:38,623 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 280 transitions. Word has length 384 [2023-12-16 04:02:38,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:02:38,624 INFO L495 AbstractCegarLoop]: Abstraction has 176 states and 280 transitions. [2023-12-16 04:02:38,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 2 states have call successors, (110), 2 states have call predecessors, (110), 4 states have return successors, (111), 2 states have call predecessors, (111), 2 states have call successors, (111) [2023-12-16 04:02:38,624 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 280 transitions. [2023-12-16 04:02:38,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2023-12-16 04:02:38,626 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:02:38,626 INFO L195 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:02:38,651 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-16 04:02:38,832 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 [2023-12-16 04:02:38,833 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:02:38,833 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:02:38,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1909567743, now seen corresponding path program 1 times [2023-12-16 04:02:38,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:02:38,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632395187] [2023-12-16 04:02:38,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:02:38,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:02:38,877 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:02:38,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [747521258] [2023-12-16 04:02:38,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:02:38,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:02:38,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:02:38,885 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) [2023-12-16 04:02:38,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-16 04:02:39,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:02:39,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-16 04:02:39,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:02:45,198 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 1719 proven. 474 refuted. 0 times theorem prover too weak. 5371 trivial. 0 not checked. [2023-12-16 04:02:45,198 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 04:02:59,381 WARN L293 SmtUtils]: Spent 6.96s on a formula simplification. DAG size of input: 124 DAG size of output: 120 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2023-12-16 04:03:45,079 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 04:03:45,086 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-16 04:03:45,089 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 [2023-12-16 04:03:45,090 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 [2023-12-16 04:03:45,279 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 [2023-12-16 04:03:45,280 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 385 with TraceHistMax 62,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 5 xjuncts wrt. a ∧-5-2-2-1 context. [2023-12-16 04:03:45,283 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-16 04:03:45,285 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 04:03:45,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 04:03:45 BoogieIcfgContainer [2023-12-16 04:03:45,286 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 04:03:45,287 INFO L158 Benchmark]: Toolchain (without parser) took 71240.99ms. Allocated memory was 173.0MB in the beginning and 574.6MB in the end (delta: 401.6MB). Free memory was 114.7MB in the beginning and 279.2MB in the end (delta: -164.6MB). Peak memory consumption was 237.9MB. Max. memory is 8.0GB. [2023-12-16 04:03:45,287 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 173.0MB. Free memory is still 126.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 04:03:45,287 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.83ms. Allocated memory is still 173.0MB. Free memory was 114.3MB in the beginning and 88.8MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2023-12-16 04:03:45,288 INFO L158 Benchmark]: Boogie Procedure Inliner took 150.14ms. Allocated memory was 173.0MB in the beginning and 241.2MB in the end (delta: 68.2MB). Free memory was 88.8MB in the beginning and 199.2MB in the end (delta: -110.5MB). Peak memory consumption was 9.6MB. Max. memory is 8.0GB. [2023-12-16 04:03:45,288 INFO L158 Benchmark]: Boogie Preprocessor took 123.43ms. Allocated memory is still 241.2MB. Free memory was 199.2MB in the beginning and 175.1MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2023-12-16 04:03:45,288 INFO L158 Benchmark]: RCFGBuilder took 781.96ms. Allocated memory is still 241.2MB. Free memory was 175.1MB in the beginning and 194.9MB in the end (delta: -19.8MB). Peak memory consumption was 69.2MB. Max. memory is 8.0GB. [2023-12-16 04:03:45,289 INFO L158 Benchmark]: TraceAbstraction took 69819.76ms. Allocated memory was 241.2MB in the beginning and 574.6MB in the end (delta: 333.4MB). Free memory was 194.4MB in the beginning and 279.2MB in the end (delta: -84.8MB). Peak memory consumption was 248.6MB. Max. memory is 8.0GB. [2023-12-16 04:03:45,290 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 173.0MB. Free memory is still 126.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 360.83ms. Allocated memory is still 173.0MB. Free memory was 114.3MB in the beginning and 88.8MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 150.14ms. Allocated memory was 173.0MB in the beginning and 241.2MB in the end (delta: 68.2MB). Free memory was 88.8MB in the beginning and 199.2MB in the end (delta: -110.5MB). Peak memory consumption was 9.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 123.43ms. Allocated memory is still 241.2MB. Free memory was 199.2MB in the beginning and 175.1MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * RCFGBuilder took 781.96ms. Allocated memory is still 241.2MB. Free memory was 175.1MB in the beginning and 194.9MB in the end (delta: -19.8MB). Peak memory consumption was 69.2MB. Max. memory is 8.0GB. * TraceAbstraction took 69819.76ms. Allocated memory was 241.2MB in the beginning and 574.6MB in the end (delta: 333.4MB). Free memory was 194.4MB in the beginning and 279.2MB in the end (delta: -84.8MB). Peak memory consumption was 248.6MB. 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 385 with TraceHistMax 62,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 5 xjuncts wrt. a ∧-5-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 170 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 69.8s, OverallIterations: 4, TraceHistogramMax: 62, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 497 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 485 mSDsluCounter, 1496 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 515 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 373 IncrementalHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 981 mSDtfsCounter, 373 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1536 GetRequests, 1525 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=176occurred in iteration=3, InterpolantAutomatonStates: 14, 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, 162 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1536 NumberOfCodeBlocks, 1536 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 1532 ConstructedInterpolants, 0 QuantifiedInterpolants, 3054 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2704 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 29968/30256 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