/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 true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-22.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 21:03:12,523 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 21:03:12,598 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 21:03:12,603 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 21:03:12,603 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 21:03:12,630 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 21:03:12,630 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 21:03:12,630 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 21:03:12,631 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 21:03:12,634 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 21:03:12,635 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 21:03:12,635 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 21:03:12,635 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 21:03:12,637 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 21:03:12,637 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 21:03:12,637 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 21:03:12,637 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 21:03:12,638 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 21:03:12,638 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 21:03:12,638 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 21:03:12,638 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 21:03:12,639 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 21:03:12,639 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 21:03:12,639 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 21:03:12,639 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 21:03:12,640 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 21:03:12,640 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 21:03:12,640 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 21:03:12,641 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 21:03:12,641 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 21:03:12,642 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 21:03:12,642 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 21:03:12,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 21:03:12,642 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 21:03:12,642 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 21:03:12,643 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 21:03:12,643 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 21:03:12,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 21:03:12,643 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 21:03:12,643 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 21:03:12,643 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 21:03:12,644 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 21:03:12,644 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 21:03:12,645 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 21:03:12,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 21:03:12,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 21:03:12,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 21:03:12,879 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 21:03:12,880 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 21:03:12,881 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-22.i [2023-12-15 21:03:14,107 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 21:03:14,322 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 21:03:14,323 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-22.i [2023-12-15 21:03:14,332 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af9b1b01c/a7e38a29414b4d59ac637ea9bc07f337/FLAGb073fde44 [2023-12-15 21:03:14,347 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af9b1b01c/a7e38a29414b4d59ac637ea9bc07f337 [2023-12-15 21:03:14,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 21:03:14,351 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 21:03:14,354 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 21:03:14,354 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 21:03:14,358 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 21:03:14,358 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:03:14" (1/1) ... [2023-12-15 21:03:14,359 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ac59b63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:03:14, skipping insertion in model container [2023-12-15 21:03:14,360 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:03:14" (1/1) ... [2023-12-15 21:03:14,396 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 21:03:14,520 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_amount100_file-22.i[916,929] [2023-12-15 21:03:14,596 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 21:03:14,608 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 21:03:14,625 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_amount100_file-22.i[916,929] [2023-12-15 21:03:14,670 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 21:03:14,686 INFO L206 MainTranslator]: Completed translation [2023-12-15 21:03:14,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:03:14 WrapperNode [2023-12-15 21:03:14,686 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 21:03:14,687 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 21:03:14,687 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 21:03:14,688 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 21:03:14,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:03:14" (1/1) ... [2023-12-15 21:03:14,704 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:03:14" (1/1) ... [2023-12-15 21:03:14,753 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 257 [2023-12-15 21:03:14,753 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 21:03:14,754 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 21:03:14,754 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 21:03:14,754 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 21:03:14,766 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:03:14" (1/1) ... [2023-12-15 21:03:14,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:03:14" (1/1) ... [2023-12-15 21:03:14,771 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:03:14" (1/1) ... [2023-12-15 21:03:14,799 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]. [2023-12-15 21:03:14,799 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:03:14" (1/1) ... [2023-12-15 21:03:14,799 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:03:14" (1/1) ... [2023-12-15 21:03:14,826 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:03:14" (1/1) ... [2023-12-15 21:03:14,839 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:03:14" (1/1) ... [2023-12-15 21:03:14,843 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:03:14" (1/1) ... [2023-12-15 21:03:14,846 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:03:14" (1/1) ... [2023-12-15 21:03:14,862 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 21:03:14,863 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 21:03:14,863 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 21:03:14,863 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 21:03:14,864 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:03:14" (1/1) ... [2023-12-15 21:03:14,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 21:03:14,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:03:14,890 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) [2023-12-15 21:03:14,918 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 [2023-12-15 21:03:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 21:03:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-15 21:03:14,925 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-15 21:03:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 21:03:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 21:03:14,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 21:03:15,003 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 21:03:15,008 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 21:03:15,506 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 21:03:15,551 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 21:03:15,551 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-15 21:03:15,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:03:15 BoogieIcfgContainer [2023-12-15 21:03:15,552 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 21:03:15,554 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 21:03:15,554 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 21:03:15,556 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 21:03:15,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 09:03:14" (1/3) ... [2023-12-15 21:03:15,558 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45941725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:03:15, skipping insertion in model container [2023-12-15 21:03:15,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:03:14" (2/3) ... [2023-12-15 21:03:15,558 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45941725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:03:15, skipping insertion in model container [2023-12-15 21:03:15,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:03:15" (3/3) ... [2023-12-15 21:03:15,560 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-22.i [2023-12-15 21:03:15,577 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 21:03:15,577 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 21:03:15,641 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 21:03:15,647 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;@488737ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 21:03:15,647 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 21:03:15,651 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 58 states have (on average 1.5) internal successors, (87), 59 states have internal predecessors, (87), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-12-15 21:03:15,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-12-15 21:03:15,686 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:03:15,687 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:03:15,688 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:03:15,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:03:15,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1817030842, now seen corresponding path program 1 times [2023-12-15 21:03:15,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:03:15,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643952096] [2023-12-15 21:03:15,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:03:15,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:03:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:03:15,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:03:15,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643952096] [2023-12-15 21:03:15,942 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-15 21:03:15,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1865853147] [2023-12-15 21:03:15,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:03:15,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:03:15,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:03:15,951 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) [2023-12-15 21:03:15,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-15 21:03:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:03:16,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-15 21:03:16,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:03:16,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 1800 trivial. 0 not checked. [2023-12-15 21:03:16,317 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:03:16,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1865853147] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:03:16,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:03:16,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 21:03:16,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205620954] [2023-12-15 21:03:16,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:03:16,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 21:03:16,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:03:16,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 21:03:16,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 21:03:16,356 INFO L87 Difference]: Start difference. First operand has 92 states, 58 states have (on average 1.5) internal successors, (87), 59 states have internal predecessors, (87), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2023-12-15 21:03:16,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:03:16,416 INFO L93 Difference]: Finished difference Result 181 states and 327 transitions. [2023-12-15 21:03:16,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 21:03:16,418 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 196 [2023-12-15 21:03:16,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:03:16,426 INFO L225 Difference]: With dead ends: 181 [2023-12-15 21:03:16,427 INFO L226 Difference]: Without dead ends: 90 [2023-12-15 21:03:16,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 21:03:16,438 INFO L413 NwaCegarLoop]: 141 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, 141 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 [2023-12-15 21:03:16,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 21:03:16,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-12-15 21:03:16,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2023-12-15 21:03:16,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 57 states have (on average 1.4385964912280702) internal successors, (82), 57 states have internal predecessors, (82), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-12-15 21:03:16,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 144 transitions. [2023-12-15 21:03:16,491 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 144 transitions. Word has length 196 [2023-12-15 21:03:16,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:03:16,492 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 144 transitions. [2023-12-15 21:03:16,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2023-12-15 21:03:16,493 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 144 transitions. [2023-12-15 21:03:16,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-12-15 21:03:16,500 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:03:16,501 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:03:16,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-15 21:03:16,706 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 [2023-12-15 21:03:16,707 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:03:16,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:03:16,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1067919420, now seen corresponding path program 1 times [2023-12-15 21:03:16,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:03:16,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072087701] [2023-12-15 21:03:16,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:03:16,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:03:16,796 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:03:16,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [576887651] [2023-12-15 21:03:16,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:03:16,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:03:16,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:03:16,802 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) [2023-12-15 21:03:16,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-15 21:03:16,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:03:16,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-15 21:03:16,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:03:17,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-12-15 21:03:17,275 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:03:17,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:03:17,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072087701] [2023-12-15 21:03:17,275 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:03:17,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [576887651] [2023-12-15 21:03:17,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [576887651] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:03:17,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:03:17,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 21:03:17,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190602594] [2023-12-15 21:03:17,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:03:17,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 21:03:17,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:03:17,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 21:03:17,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 21:03:17,280 INFO L87 Difference]: Start difference. First operand 90 states and 144 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-15 21:03:17,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:03:17,509 INFO L93 Difference]: Finished difference Result 297 states and 475 transitions. [2023-12-15 21:03:17,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-15 21:03:17,510 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 196 [2023-12-15 21:03:17,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:03:17,518 INFO L225 Difference]: With dead ends: 297 [2023-12-15 21:03:17,518 INFO L226 Difference]: Without dead ends: 208 [2023-12-15 21:03:17,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-15 21:03:17,522 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 249 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 21:03:17,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 527 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 21:03:17,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2023-12-15 21:03:17,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 196. [2023-12-15 21:03:17,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 131 states have (on average 1.4580152671755726) internal successors, (191), 131 states have internal predecessors, (191), 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) [2023-12-15 21:03:17,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 315 transitions. [2023-12-15 21:03:17,573 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 315 transitions. Word has length 196 [2023-12-15 21:03:17,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:03:17,574 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 315 transitions. [2023-12-15 21:03:17,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-15 21:03:17,575 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 315 transitions. [2023-12-15 21:03:17,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-12-15 21:03:17,578 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:03:17,578 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:03:17,591 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-15 21:03:17,791 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 [2023-12-15 21:03:17,791 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:03:17,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:03:17,792 INFO L85 PathProgramCache]: Analyzing trace with hash 494370153, now seen corresponding path program 1 times [2023-12-15 21:03:17,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:03:17,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427283922] [2023-12-15 21:03:17,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:03:17,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:03:17,827 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:03:17,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1733408829] [2023-12-15 21:03:17,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:03:17,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:03:17,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:03:17,834 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) [2023-12-15 21:03:17,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-15 21:03:17,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:03:17,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-15 21:03:18,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:03:18,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-12-15 21:03:18,514 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:03:18,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:03:18,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427283922] [2023-12-15 21:03:18,514 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:03:18,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733408829] [2023-12-15 21:03:18,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733408829] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:03:18,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:03:18,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 21:03:18,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952772954] [2023-12-15 21:03:18,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:03:18,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 21:03:18,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:03:18,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 21:03:18,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 21:03:18,518 INFO L87 Difference]: Start difference. First operand 196 states and 315 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-15 21:03:18,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:03:18,675 INFO L93 Difference]: Finished difference Result 508 states and 813 transitions. [2023-12-15 21:03:18,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 21:03:18,677 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 197 [2023-12-15 21:03:18,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:03:18,682 INFO L225 Difference]: With dead ends: 508 [2023-12-15 21:03:18,682 INFO L226 Difference]: Without dead ends: 313 [2023-12-15 21:03:18,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-15 21:03:18,685 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 92 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 21:03:18,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 393 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 21:03:18,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2023-12-15 21:03:18,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 293. [2023-12-15 21:03:18,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 196 states have (on average 1.4540816326530612) internal successors, (285), 196 states have internal predecessors, (285), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2023-12-15 21:03:18,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 471 transitions. [2023-12-15 21:03:18,728 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 471 transitions. Word has length 197 [2023-12-15 21:03:18,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:03:18,729 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 471 transitions. [2023-12-15 21:03:18,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-15 21:03:18,730 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 471 transitions. [2023-12-15 21:03:18,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-12-15 21:03:18,748 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:03:18,748 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:03:18,759 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-15 21:03:18,955 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 [2023-12-15 21:03:18,956 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:03:18,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:03:18,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1755888482, now seen corresponding path program 1 times [2023-12-15 21:03:18,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:03:18,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801069190] [2023-12-15 21:03:18,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:03:18,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:03:18,990 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:03:18,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1768704941] [2023-12-15 21:03:18,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:03:18,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:03:18,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:03:18,992 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) [2023-12-15 21:03:19,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-15 21:03:19,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:03:19,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-15 21:03:19,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:03:19,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-12-15 21:03:19,625 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:03:19,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:03:19,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801069190] [2023-12-15 21:03:19,626 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:03:19,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768704941] [2023-12-15 21:03:19,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1768704941] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:03:19,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:03:19,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 21:03:19,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643214258] [2023-12-15 21:03:19,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:03:19,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 21:03:19,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:03:19,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 21:03:19,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-15 21:03:19,628 INFO L87 Difference]: Start difference. First operand 293 states and 471 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-15 21:03:19,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:03:19,947 INFO L93 Difference]: Finished difference Result 938 states and 1513 transitions. [2023-12-15 21:03:19,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-15 21:03:19,948 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 199 [2023-12-15 21:03:19,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:03:19,952 INFO L225 Difference]: With dead ends: 938 [2023-12-15 21:03:19,952 INFO L226 Difference]: Without dead ends: 729 [2023-12-15 21:03:19,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-15 21:03:19,955 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 202 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-15 21:03:19,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 426 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-15 21:03:19,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2023-12-15 21:03:20,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 519. [2023-12-15 21:03:20,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 358 states have (on average 1.4608938547486034) internal successors, (523), 358 states have internal predecessors, (523), 155 states have call successors, (155), 5 states have call predecessors, (155), 5 states have return successors, (155), 155 states have call predecessors, (155), 155 states have call successors, (155) [2023-12-15 21:03:20,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 833 transitions. [2023-12-15 21:03:20,019 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 833 transitions. Word has length 199 [2023-12-15 21:03:20,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:03:20,021 INFO L495 AbstractCegarLoop]: Abstraction has 519 states and 833 transitions. [2023-12-15 21:03:20,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-15 21:03:20,021 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 833 transitions. [2023-12-15 21:03:20,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-12-15 21:03:20,024 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:03:20,024 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:03:20,033 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-15 21:03:20,233 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 [2023-12-15 21:03:20,234 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:03:20,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:03:20,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1497723044, now seen corresponding path program 1 times [2023-12-15 21:03:20,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:03:20,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252871803] [2023-12-15 21:03:20,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:03:20,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:03:20,285 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:03:20,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [952923323] [2023-12-15 21:03:20,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:03:20,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:03:20,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:03:20,292 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) [2023-12-15 21:03:20,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-15 21:03:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:03:20,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-15 21:03:20,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:03:21,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 688 proven. 69 refuted. 0 times theorem prover too weak. 1103 trivial. 0 not checked. [2023-12-15 21:03:21,210 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 21:03:21,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 21 proven. 69 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-12-15 21:03:21,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:03:21,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252871803] [2023-12-15 21:03:21,813 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:03:21,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952923323] [2023-12-15 21:03:21,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [952923323] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 21:03:21,817 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-15 21:03:21,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11] total 17 [2023-12-15 21:03:21,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493419465] [2023-12-15 21:03:21,822 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-15 21:03:21,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-15 21:03:21,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:03:21,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-15 21:03:21,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2023-12-15 21:03:21,824 INFO L87 Difference]: Start difference. First operand 519 states and 833 transitions. Second operand has 17 states, 17 states have (on average 5.529411764705882) internal successors, (94), 17 states have internal predecessors, (94), 4 states have call successors, (62), 3 states have call predecessors, (62), 5 states have return successors, (62), 4 states have call predecessors, (62), 4 states have call successors, (62) [2023-12-15 21:03:22,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:03:22,813 INFO L93 Difference]: Finished difference Result 1380 states and 2182 transitions. [2023-12-15 21:03:22,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-15 21:03:22,813 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.529411764705882) internal successors, (94), 17 states have internal predecessors, (94), 4 states have call successors, (62), 3 states have call predecessors, (62), 5 states have return successors, (62), 4 states have call predecessors, (62), 4 states have call successors, (62) Word has length 199 [2023-12-15 21:03:22,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:03:22,818 INFO L225 Difference]: With dead ends: 1380 [2023-12-15 21:03:22,818 INFO L226 Difference]: Without dead ends: 959 [2023-12-15 21:03:22,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 407 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=220, Invalid=482, Unknown=0, NotChecked=0, Total=702 [2023-12-15 21:03:22,820 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 676 mSDsluCounter, 615 mSDsCounter, 0 mSdLazyCounter, 750 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 705 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-15 21:03:22,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [705 Valid, 727 Invalid, 846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 750 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-15 21:03:22,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2023-12-15 21:03:22,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 761. [2023-12-15 21:03:22,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 761 states, 530 states have (on average 1.441509433962264) internal successors, (764), 530 states have internal predecessors, (764), 217 states have call successors, (217), 13 states have call predecessors, (217), 13 states have return successors, (217), 217 states have call predecessors, (217), 217 states have call successors, (217) [2023-12-15 21:03:22,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 761 states and 1198 transitions. [2023-12-15 21:03:22,889 INFO L78 Accepts]: Start accepts. Automaton has 761 states and 1198 transitions. Word has length 199 [2023-12-15 21:03:22,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:03:22,889 INFO L495 AbstractCegarLoop]: Abstraction has 761 states and 1198 transitions. [2023-12-15 21:03:22,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.529411764705882) internal successors, (94), 17 states have internal predecessors, (94), 4 states have call successors, (62), 3 states have call predecessors, (62), 5 states have return successors, (62), 4 states have call predecessors, (62), 4 states have call successors, (62) [2023-12-15 21:03:22,889 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 1198 transitions. [2023-12-15 21:03:22,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-12-15 21:03:22,891 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:03:22,891 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:03:22,900 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-15 21:03:23,097 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 [2023-12-15 21:03:23,098 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:03:23,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:03:23,099 INFO L85 PathProgramCache]: Analyzing trace with hash -68949255, now seen corresponding path program 1 times [2023-12-15 21:03:23,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:03:23,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588094451] [2023-12-15 21:03:23,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:03:23,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:03:23,140 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:03:23,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [633873512] [2023-12-15 21:03:23,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:03:23,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:03:23,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:03:23,142 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) [2023-12-15 21:03:23,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-15 21:03:23,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:03:23,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 86 conjunts are in the unsatisfiable core [2023-12-15 21:03:23,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:03:28,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 1536 proven. 126 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-12-15 21:03:28,997 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 21:03:49,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:03:49,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588094451] [2023-12-15 21:03:49,386 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:03:49,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633873512] [2023-12-15 21:03:49,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [633873512] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 21:03:49,386 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-12-15 21:03:49,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2023-12-15 21:03:49,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212747470] [2023-12-15 21:03:49,386 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-12-15 21:03:49,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2023-12-15 21:03:49,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:03:49,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2023-12-15 21:03:49,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=641, Invalid=2899, Unknown=0, NotChecked=0, Total=3540 [2023-12-15 21:03:49,390 INFO L87 Difference]: Start difference. First operand 761 states and 1198 transitions. Second operand has 49 states, 49 states have (on average 1.9591836734693877) internal successors, (96), 41 states have internal predecessors, (96), 13 states have call successors, (31), 13 states have call predecessors, (31), 17 states have return successors, (31), 14 states have call predecessors, (31), 13 states have call successors, (31) [2023-12-15 21:04:12,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] Received shutdown request... [2023-12-15 21:04:16,608 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 [2023-12-15 21:04:16,640 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 [2023-12-15 21:04:17,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-12-15 21:04:17,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3439 ImplicationChecksByTransitivity, 33.1s TimeCoverageRelationStatistics Valid=2539, Invalid=10801, Unknown=0, NotChecked=0, Total=13340 [2023-12-15 21:04:17,137 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 602 mSDsluCounter, 1059 mSDsCounter, 0 mSdLazyCounter, 1552 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 1148 SdHoareTripleChecker+Invalid, 1687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 1552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2023-12-15 21:04:17,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 1148 Invalid, 1687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 1552 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2023-12-15 21:04:17,138 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 21:04:17,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-15 21:04:17,349 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 [2023-12-15 21:04:17,351 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (761states) and FLOYD_HOARE automaton (currently 60 states, 49 states before enhancement),while ReachableStatesComputation was computing reachable states (578 states constructed, input type IntersectNwa). [2023-12-15 21:04:17,355 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-12-15 21:04:17,357 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 21:04:17,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 09:04:17 BoogieIcfgContainer [2023-12-15 21:04:17,359 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 21:04:17,359 INFO L158 Benchmark]: Toolchain (without parser) took 63008.62ms. Allocated memory was 257.9MB in the beginning and 400.6MB in the end (delta: 142.6MB). Free memory was 209.3MB in the beginning and 292.2MB in the end (delta: -82.8MB). Peak memory consumption was 60.8MB. Max. memory is 8.0GB. [2023-12-15 21:04:17,360 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 201.3MB. Free memory is still 154.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 21:04:17,360 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.22ms. Allocated memory is still 257.9MB. Free memory was 208.8MB in the beginning and 191.5MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-15 21:04:17,360 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.84ms. Allocated memory is still 257.9MB. Free memory was 191.5MB in the beginning and 185.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-12-15 21:04:17,360 INFO L158 Benchmark]: Boogie Preprocessor took 108.16ms. Allocated memory is still 257.9MB. Free memory was 185.2MB in the beginning and 174.2MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-12-15 21:04:17,360 INFO L158 Benchmark]: RCFGBuilder took 689.06ms. Allocated memory is still 257.9MB. Free memory was 174.2MB in the beginning and 138.0MB in the end (delta: 36.2MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. [2023-12-15 21:04:17,361 INFO L158 Benchmark]: TraceAbstraction took 61805.39ms. Allocated memory was 257.9MB in the beginning and 400.6MB in the end (delta: 142.6MB). Free memory was 137.5MB in the beginning and 292.2MB in the end (delta: -154.7MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 21:04:17,362 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 201.3MB. Free memory is still 154.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 333.22ms. Allocated memory is still 257.9MB. Free memory was 208.8MB in the beginning and 191.5MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 65.84ms. Allocated memory is still 257.9MB. Free memory was 191.5MB in the beginning and 185.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 108.16ms. Allocated memory is still 257.9MB. Free memory was 185.2MB in the beginning and 174.2MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * RCFGBuilder took 689.06ms. Allocated memory is still 257.9MB. Free memory was 174.2MB in the beginning and 138.0MB in the end (delta: 36.2MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. * TraceAbstraction took 61805.39ms. Allocated memory was 257.9MB in the beginning and 400.6MB in the end (delta: 142.6MB). Free memory was 137.5MB in the beginning and 292.2MB in the end (delta: -154.7MB). There was no memory consumed. 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 constructing difference of abstraction (761states) and FLOYD_HOARE automaton (currently 60 states, 49 states before enhancement),while ReachableStatesComputation was computing reachable states (578 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 61.7s, OverallIterations: 6, TraceHistogramMax: 31, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 29.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1850 SdHoareTripleChecker+Valid, 11.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1821 mSDsluCounter, 3362 SdHoareTripleChecker+Invalid, 10.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2612 mSDsCounter, 361 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2602 IncrementalHoareTripleChecker+Invalid, 2963 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 361 mSolverCounterUnsat, 750 mSDtfsCounter, 2602 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1486 GetRequests, 1333 SyntacticMatches, 0 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3583 ImplicationChecksByTransitivity, 33.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=761occurred in iteration=5, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 440 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 28.6s InterpolantComputationTime, 1383 NumberOfCodeBlocks, 1383 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1379 ConstructedInterpolants, 18 QuantifiedInterpolants, 12304 SizeOfPredicates, 46 NumberOfNonLiveVariables, 3000 ConjunctsInSsa, 130 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 12756/13020 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