/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_amount100_file-67.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 03:54:35,154 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 03:54:35,223 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 03:54:35,226 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 03:54:35,227 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 03:54:35,250 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 03:54:35,250 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 03:54:35,250 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 03:54:35,251 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 03:54:35,253 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 03:54:35,253 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 03:54:35,254 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 03:54:35,254 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 03:54:35,255 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 03:54:35,255 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 03:54:35,255 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 03:54:35,255 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 03:54:35,255 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 03:54:35,256 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 03:54:35,257 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 03:54:35,257 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 03:54:35,257 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 03:54:35,257 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 03:54:35,257 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 03:54:35,258 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 03:54:35,258 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 03:54:35,258 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 03:54:35,258 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 03:54:35,258 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 03:54:35,259 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 03:54:35,259 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 03:54:35,259 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 03:54:35,260 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 03:54:35,260 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 03:54:35,260 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 03:54:35,260 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 03:54:35,260 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 03:54:35,260 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 03:54:35,260 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 03:54:35,260 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 03:54:35,260 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 03:54:35,261 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 03:54:35,261 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 03:54:35,261 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 03:54:35,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 03:54:35,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 03:54:35,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 03:54:35,707 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 03:54:35,707 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 03:54:35,708 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-67.i [2023-12-16 03:54:37,015 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 03:54:37,338 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 03:54:37,339 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-67.i [2023-12-16 03:54:37,345 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d38134fb/910e1aba5b554ba3b508388590c95a16/FLAGa1f3028ac [2023-12-16 03:54:37,356 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d38134fb/910e1aba5b554ba3b508388590c95a16 [2023-12-16 03:54:37,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 03:54:37,359 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 03:54:37,360 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 03:54:37,361 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 03:54:37,364 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 03:54:37,365 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:54:37" (1/1) ... [2023-12-16 03:54:37,366 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@279226f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:54:37, skipping insertion in model container [2023-12-16 03:54:37,366 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:54:37" (1/1) ... [2023-12-16 03:54:37,396 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 03:54:37,608 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-67.i[916,929] [2023-12-16 03:54:37,685 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 03:54:37,705 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 03:54:37,725 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-67.i[916,929] [2023-12-16 03:54:37,793 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 03:54:37,827 INFO L206 MainTranslator]: Completed translation [2023-12-16 03:54:37,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:54:37 WrapperNode [2023-12-16 03:54:37,828 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 03:54:37,829 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 03:54:37,829 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 03:54:37,829 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 03:54:37,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:54:37" (1/1) ... [2023-12-16 03:54:37,842 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:54:37" (1/1) ... [2023-12-16 03:54:37,877 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 222 [2023-12-16 03:54:37,878 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 03:54:37,878 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 03:54:37,878 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 03:54:37,878 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 03:54:37,886 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:54:37" (1/1) ... [2023-12-16 03:54:37,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:54:37" (1/1) ... [2023-12-16 03:54:37,889 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:54:37" (1/1) ... [2023-12-16 03:54:37,937 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 03:54:37,937 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:54:37" (1/1) ... [2023-12-16 03:54:37,937 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:54:37" (1/1) ... [2023-12-16 03:54:37,957 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:54:37" (1/1) ... [2023-12-16 03:54:37,960 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:54:37" (1/1) ... [2023-12-16 03:54:37,963 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:54:37" (1/1) ... [2023-12-16 03:54:37,965 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:54:37" (1/1) ... [2023-12-16 03:54:37,969 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 03:54:37,970 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 03:54:37,970 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 03:54:37,970 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 03:54:37,971 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:54:37" (1/1) ... [2023-12-16 03:54:37,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 03:54:37,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:54:38,054 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 03:54:38,085 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 03:54:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 03:54:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 03:54:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 03:54:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 03:54:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 03:54:38,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 03:54:38,165 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 03:54:38,166 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 03:54:38,508 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 03:54:38,544 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 03:54:38,545 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 03:54:38,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:54:38 BoogieIcfgContainer [2023-12-16 03:54:38,545 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 03:54:38,547 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 03:54:38,547 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 03:54:38,549 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 03:54:38,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 03:54:37" (1/3) ... [2023-12-16 03:54:38,549 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12d0f370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:54:38, skipping insertion in model container [2023-12-16 03:54:38,550 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:54:37" (2/3) ... [2023-12-16 03:54:38,550 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12d0f370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:54:38, skipping insertion in model container [2023-12-16 03:54:38,550 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:54:38" (3/3) ... [2023-12-16 03:54:38,551 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-67.i [2023-12-16 03:54:38,563 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 03:54:38,563 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 03:54:38,598 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 03:54:38,621 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;@4018e062, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 03:54:38,622 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 03:54:38,626 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) [2023-12-16 03:54:38,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-12-16 03:54:38,648 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:54:38,649 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] [2023-12-16 03:54:38,649 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:54:38,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:54:38,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1656579012, now seen corresponding path program 1 times [2023-12-16 03:54:38,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:54:38,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121277078] [2023-12-16 03:54:38,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:54:38,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:54:38,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:54:39,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 03:54:39,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121277078] [2023-12-16 03:54:39,005 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-16 03:54:39,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [235216529] [2023-12-16 03:54:39,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:54:39,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:54:39,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:54:39,019 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 03:54:39,050 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 03:54:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:54:39,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 03:54:39,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 03:54:39,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 1800 trivial. 0 not checked. [2023-12-16 03:54:39,286 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 03:54:39,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [235216529] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 03:54:39,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 03:54:39,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 03:54:39,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325102377] [2023-12-16 03:54:39,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 03:54:39,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 03:54:39,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 03:54:39,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 03:54:39,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 03:54:39,329 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) [2023-12-16 03:54:39,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 03:54:39,383 INFO L93 Difference]: Finished difference Result 181 states and 327 transitions. [2023-12-16 03:54:39,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 03:54:39,385 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 [2023-12-16 03:54:39,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 03:54:39,392 INFO L225 Difference]: With dead ends: 181 [2023-12-16 03:54:39,392 INFO L226 Difference]: Without dead ends: 90 [2023-12-16 03:54:39,398 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 [2023-12-16 03:54:39,401 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 [2023-12-16 03:54:39,403 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] [2023-12-16 03:54:39,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-12-16 03:54:39,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2023-12-16 03:54:39,437 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) [2023-12-16 03:54:39,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 144 transitions. [2023-12-16 03:54:39,444 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 144 transitions. Word has length 196 [2023-12-16 03:54:39,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 03:54:39,444 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 144 transitions. [2023-12-16 03:54:39,445 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) [2023-12-16 03:54:39,445 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 144 transitions. [2023-12-16 03:54:39,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-12-16 03:54:39,450 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:54:39,450 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] [2023-12-16 03:54:39,468 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 03:54:39,658 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 03:54:39,658 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:54:39,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:54:39,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1446000270, now seen corresponding path program 1 times [2023-12-16 03:54:39,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:54:39,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436118934] [2023-12-16 03:54:39,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:54:39,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:54:39,698 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 03:54:39,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1203381741] [2023-12-16 03:54:39,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:54:39,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:54:39,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:54:39,700 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 03:54:39,725 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 03:54:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:54:39,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 03:54:39,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 03:54:39,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-12-16 03:54:39,857 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 03:54:39,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 03:54:39,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436118934] [2023-12-16 03:54:39,857 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 03:54:39,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1203381741] [2023-12-16 03:54:39,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1203381741] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 03:54:39,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 03:54:39,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 03:54:39,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581786502] [2023-12-16 03:54:39,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 03:54:39,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 03:54:39,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 03:54:39,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 03:54:39,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 03:54:39,860 INFO L87 Difference]: Start difference. First operand 90 states and 144 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 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) [2023-12-16 03:54:39,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 03:54:39,931 INFO L93 Difference]: Finished difference Result 264 states and 422 transitions. [2023-12-16 03:54:39,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 03:54:39,931 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 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 [2023-12-16 03:54:39,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 03:54:39,933 INFO L225 Difference]: With dead ends: 264 [2023-12-16 03:54:39,934 INFO L226 Difference]: Without dead ends: 175 [2023-12-16 03:54:39,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 194 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 03:54:39,935 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 124 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 03:54:39,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 344 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 03:54:39,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2023-12-16 03:54:39,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 173. [2023-12-16 03:54:39,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 108 states have (on average 1.3703703703703705) internal successors, (148), 108 states have internal predecessors, (148), 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 03:54:39,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 272 transitions. [2023-12-16 03:54:39,952 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 272 transitions. Word has length 196 [2023-12-16 03:54:39,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 03:54:39,953 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 272 transitions. [2023-12-16 03:54:39,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 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) [2023-12-16 03:54:39,953 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 272 transitions. [2023-12-16 03:54:39,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-12-16 03:54:39,955 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:54:39,955 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] [2023-12-16 03:54:39,974 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 03:54:40,168 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 03:54:40,169 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:54:40,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:54:40,169 INFO L85 PathProgramCache]: Analyzing trace with hash 59578287, now seen corresponding path program 1 times [2023-12-16 03:54:40,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:54:40,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831900913] [2023-12-16 03:54:40,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:54:40,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:54:40,271 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 03:54:40,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [828747535] [2023-12-16 03:54:40,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:54:40,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:54:40,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:54:40,291 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 03:54:40,316 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 03:54:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:54:40,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-16 03:54:40,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 03:54:40,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-12-16 03:54:40,677 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 03:54:40,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 03:54:40,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831900913] [2023-12-16 03:54:40,677 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 03:54:40,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828747535] [2023-12-16 03:54:40,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [828747535] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 03:54:40,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 03:54:40,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 03:54:40,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163467956] [2023-12-16 03:54:40,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 03:54:40,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 03:54:40,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 03:54:40,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 03:54:40,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 03:54:40,681 INFO L87 Difference]: Start difference. First operand 173 states and 272 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 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) [2023-12-16 03:54:40,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 03:54:40,831 INFO L93 Difference]: Finished difference Result 520 states and 816 transitions. [2023-12-16 03:54:40,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 03:54:40,832 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 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 [2023-12-16 03:54:40,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 03:54:40,838 INFO L225 Difference]: With dead ends: 520 [2023-12-16 03:54:40,839 INFO L226 Difference]: Without dead ends: 348 [2023-12-16 03:54:40,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-16 03:54:40,842 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 209 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 03:54:40,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 554 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 03:54:40,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2023-12-16 03:54:40,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 335. [2023-12-16 03:54:40,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 206 states have (on average 1.3592233009708738) internal successors, (280), 206 states have internal predecessors, (280), 124 states have call successors, (124), 4 states have call predecessors, (124), 4 states have return successors, (124), 124 states have call predecessors, (124), 124 states have call successors, (124) [2023-12-16 03:54:40,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 528 transitions. [2023-12-16 03:54:40,879 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 528 transitions. Word has length 197 [2023-12-16 03:54:40,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 03:54:40,879 INFO L495 AbstractCegarLoop]: Abstraction has 335 states and 528 transitions. [2023-12-16 03:54:40,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 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) [2023-12-16 03:54:40,879 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 528 transitions. [2023-12-16 03:54:40,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-12-16 03:54:40,881 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:54:40,881 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] [2023-12-16 03:54:40,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-16 03:54:41,089 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 03:54:41,089 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:54:41,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:54:41,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1367586756, now seen corresponding path program 1 times [2023-12-16 03:54:41,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:54:41,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65269793] [2023-12-16 03:54:41,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:54:41,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:54:41,149 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 03:54:41,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1497563767] [2023-12-16 03:54:41,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:54:41,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:54:41,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:54:41,166 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 03:54:41,212 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 03:54:41,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:54:41,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-16 03:54:41,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 03:54:50,956 WARN L293 SmtUtils]: Spent 8.03s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-16 03:55:31,085 WARN L293 SmtUtils]: Spent 36.08s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-16 03:55:31,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 804 proven. 63 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked. [2023-12-16 03:55:31,137 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 03:55:44,657 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse6 (mod c_~var_1_16~0 65536)) (.cse7 (mod c_~var_1_15~0 65536))) (let ((.cse8 (mod (+ (* 4294967295 .cse6) .cse7) 4294967296))) (let ((.cse33 (+ .cse8 1)) (.cse2 (mod c_~var_1_1~0 4294967296)) (.cse14 (mod c_~var_1_34~0 4294967296))) (let ((.cse0 (< .cse2 (+ .cse14 1))) (.cse15 (and (<= .cse33 .cse2) (forall ((v_y_8 Int) (v_z_8 Int)) (let ((.cse34 (* v_y_8 4294967296)) (.cse35 (* 4294967295 v_z_8))) (or (< (+ v_z_8 .cse7) (+ .cse2 4294967296)) (< (+ .cse34 .cse35) 0) (< 4294967295 v_z_8) (< .cse6 (+ .cse34 .cse35 1))))) (forall ((v_y_8 Int) (v_z_8 Int)) (let ((.cse38 (+ v_z_8 .cse7)) (.cse36 (* v_y_8 4294967296)) (.cse37 (* 4294967295 v_z_8))) (or (< (+ .cse36 .cse37) 0) (< v_z_8 0) (< 4294967295 .cse38) (< .cse38 .cse2) (< .cse6 (+ .cse36 .cse37 1))))))) (.cse16 (and (forall ((v_y_8 Int) (v_z_8 Int)) (let ((.cse28 (* v_y_8 4294967296)) (.cse29 (* 4294967295 v_z_8))) (or (< (+ .cse28 .cse29) 0) (< (+ v_z_8 .cse7) (+ .cse14 4294967296)) (< 4294967295 v_z_8) (< .cse6 (+ .cse28 .cse29 1))))) (forall ((v_y_8 Int) (v_z_8 Int)) (let ((.cse32 (+ v_z_8 .cse7)) (.cse30 (* v_y_8 4294967296)) (.cse31 (* 4294967295 v_z_8))) (or (< (+ .cse30 .cse31) 0) (< .cse32 .cse14) (< v_z_8 0) (< 4294967295 .cse32) (< .cse6 (+ .cse30 .cse31 1))))) (<= .cse33 .cse14))) (.cse17 (< .cse14 .cse2))) (and (or .cse0 (and (forall ((~var_1_25~0 Int)) (let ((.cse1 (mod (* ~var_1_25~0 ~var_1_25~0) 4294967296))) (or (< .cse1 .cse2) (forall ((v_y_8 Int) (v_z_8 Int)) (let ((.cse3 (* v_y_8 4294967296)) (.cse4 (* 4294967295 v_z_8)) (.cse5 (+ v_z_8 .cse7))) (or (< (+ .cse3 .cse4) 0) (< v_z_8 0) (< 4294967295 .cse5) (< .cse6 (+ .cse3 .cse4 1)) (< .cse5 .cse1))))))) (forall ((~var_1_25~0 Int)) (let ((.cse9 (mod (* ~var_1_25~0 ~var_1_25~0) 4294967296))) (or (< .cse8 .cse9) (< .cse9 .cse2)))) (forall ((~var_1_25~0 Int)) (let ((.cse10 (mod (* ~var_1_25~0 ~var_1_25~0) 4294967296))) (or (< .cse10 .cse2) (forall ((v_y_8 Int) (v_z_8 Int)) (let ((.cse11 (* v_y_8 4294967296)) (.cse12 (* 4294967295 v_z_8))) (or (< (+ v_z_8 .cse7) (+ .cse10 4294967296)) (< (+ .cse11 .cse12) 0) (< 4294967295 v_z_8) (< .cse6 (+ .cse11 .cse12 1)))))))))) (or .cse0 (forall ((~var_1_25~0 Int)) (let ((.cse13 (mod (* ~var_1_25~0 ~var_1_25~0) 4294967296))) (or (< .cse13 .cse14) (< .cse2 (+ .cse13 1))))) .cse15) (or (and (or .cse16 .cse17) (or .cse0 .cse15)) (forall ((~var_1_25~0 Int)) (let ((.cse18 (+ (mod (* ~var_1_25~0 ~var_1_25~0) 4294967296) 1))) (or (< .cse2 .cse18) (< .cse14 .cse18))))) (or .cse16 .cse17 (forall ((~var_1_25~0 Int)) (let ((.cse19 (mod (* ~var_1_25~0 ~var_1_25~0) 4294967296))) (or (< .cse19 .cse2) (< .cse14 (+ .cse19 1)))))) (or .cse17 (and (forall ((~var_1_25~0 Int)) (let ((.cse20 (mod (* ~var_1_25~0 ~var_1_25~0) 4294967296))) (or (< .cse20 .cse14) (forall ((v_y_8 Int) (v_z_8 Int)) (let ((.cse21 (* v_y_8 4294967296)) (.cse22 (* 4294967295 v_z_8))) (or (< (+ v_z_8 .cse7) (+ .cse20 4294967296)) (< (+ .cse21 .cse22) 0) (< 4294967295 v_z_8) (< .cse6 (+ .cse21 .cse22 1)))))))) (forall ((~var_1_25~0 Int)) (let ((.cse23 (mod (* ~var_1_25~0 ~var_1_25~0) 4294967296))) (or (< .cse23 .cse14) (< .cse8 .cse23)))) (forall ((~var_1_25~0 Int)) (let ((.cse24 (mod (* ~var_1_25~0 ~var_1_25~0) 4294967296))) (or (< .cse24 .cse14) (forall ((v_y_8 Int) (v_z_8 Int)) (let ((.cse25 (* v_y_8 4294967296)) (.cse26 (* 4294967295 v_z_8)) (.cse27 (+ v_z_8 .cse7))) (or (< (+ .cse25 .cse26) 0) (< v_z_8 0) (< 4294967295 .cse27) (< .cse6 (+ .cse25 .cse26 1)) (< .cse27 .cse24)))))))))))))) is different from false Received shutdown request... [2023-12-16 03:55:55,950 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 03:55:55,950 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 03:55:56,962 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 03:55:57,151 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-12-16 03:55:57,158 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 03:55:57,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-16 03:55:57,158 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 199 with TraceHistMax 31,while TraceCheckSpWp was constructing backward predicates,while executing Executor. [2023-12-16 03:55:57,161 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-16 03:55:57,162 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 03:55:57,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 03:55:57 BoogieIcfgContainer [2023-12-16 03:55:57,176 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 03:55:57,176 INFO L158 Benchmark]: Toolchain (without parser) took 79817.24ms. Allocated memory was 164.6MB in the beginning and 275.8MB in the end (delta: 111.1MB). Free memory was 110.6MB in the beginning and 185.4MB in the end (delta: -74.8MB). Peak memory consumption was 139.7MB. Max. memory is 8.0GB. [2023-12-16 03:55:57,176 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 164.6MB. Free memory is still 118.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 03:55:57,176 INFO L158 Benchmark]: CACSL2BoogieTranslator took 468.25ms. Allocated memory is still 164.6MB. Free memory was 110.3MB in the beginning and 93.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-16 03:55:57,177 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.32ms. Allocated memory is still 164.6MB. Free memory was 93.4MB in the beginning and 89.1MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-16 03:55:57,177 INFO L158 Benchmark]: Boogie Preprocessor took 91.02ms. Allocated memory is still 164.6MB. Free memory was 89.1MB in the beginning and 81.9MB in the end (delta: 7.2MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-12-16 03:55:57,179 INFO L158 Benchmark]: RCFGBuilder took 575.25ms. Allocated memory was 164.6MB in the beginning and 229.6MB in the end (delta: 65.0MB). Free memory was 81.9MB in the beginning and 168.8MB in the end (delta: -86.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2023-12-16 03:55:57,180 INFO L158 Benchmark]: TraceAbstraction took 78629.19ms. Allocated memory was 229.6MB in the beginning and 275.8MB in the end (delta: 46.1MB). Free memory was 168.3MB in the beginning and 185.4MB in the end (delta: -17.1MB). Peak memory consumption was 131.2MB. Max. memory is 8.0GB. [2023-12-16 03:55:57,183 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 164.6MB. Free memory is still 118.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 468.25ms. Allocated memory is still 164.6MB. Free memory was 110.3MB in the beginning and 93.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 49.32ms. Allocated memory is still 164.6MB. Free memory was 93.4MB in the beginning and 89.1MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 91.02ms. Allocated memory is still 164.6MB. Free memory was 89.1MB in the beginning and 81.9MB in the end (delta: 7.2MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 575.25ms. Allocated memory was 164.6MB in the beginning and 229.6MB in the end (delta: 65.0MB). Free memory was 81.9MB in the beginning and 168.8MB in the end (delta: -86.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 78629.19ms. Allocated memory was 229.6MB in the beginning and 275.8MB in the end (delta: 46.1MB). Free memory was 168.3MB in the beginning and 185.4MB in the end (delta: -17.1MB). Peak memory consumption was 131.2MB. 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 199 with TraceHistMax 31,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 78.6s, OverallIterations: 4, TraceHistogramMax: 31, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 333 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 333 mSDsluCounter, 1039 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 534 mSDsCounter, 76 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 76 mSolverCounterUnsat, 505 mSDtfsCounter, 52 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 589 GetRequests, 582 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=335occurred in iteration=3, InterpolantAutomatonStates: 11, 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, 15 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 785 NumberOfCodeBlocks, 785 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 586 ConstructedInterpolants, 0 QuantifiedInterpolants, 958 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1412 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 5580/5580 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