/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-33.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 03:44:29,690 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 03:44:29,753 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 03:44:29,756 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 03:44:29,757 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 03:44:29,777 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 03:44:29,778 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 03:44:29,778 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 03:44:29,778 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 03:44:29,781 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 03:44:29,781 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 03:44:29,782 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 03:44:29,782 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 03:44:29,783 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 03:44:29,783 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 03:44:29,784 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 03:44:29,784 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 03:44:29,784 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 03:44:29,784 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 03:44:29,785 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 03:44:29,785 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 03:44:29,785 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 03:44:29,786 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 03:44:29,786 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 03:44:29,786 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 03:44:29,786 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 03:44:29,786 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 03:44:29,786 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 03:44:29,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 03:44:29,787 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 03:44:29,787 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 03:44:29,788 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 03:44:29,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 03:44:29,788 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 03:44:29,788 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 03:44:29,788 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 03:44:29,788 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 03:44:29,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 03:44:29,788 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 03:44:29,788 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 03:44:29,789 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 03:44:29,789 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 03:44:29,789 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 03:44:29,789 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 03:44:29,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 03:44:29,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 03:44:29,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 03:44:30,000 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 03:44:30,001 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 03:44:30,002 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-33.i [2023-12-16 03:44:31,093 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 03:44:31,242 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 03:44:31,243 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-33.i [2023-12-16 03:44:31,249 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/966e9727a/b0e04f50be15461e9f09e9601b2e5735/FLAGc162c00fc [2023-12-16 03:44:31,260 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/966e9727a/b0e04f50be15461e9f09e9601b2e5735 [2023-12-16 03:44:31,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 03:44:31,263 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 03:44:31,263 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 03:44:31,263 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 03:44:31,267 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 03:44:31,267 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:44:31" (1/1) ... [2023-12-16 03:44:31,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d6fdc69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:44:31, skipping insertion in model container [2023-12-16 03:44:31,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:44:31" (1/1) ... [2023-12-16 03:44:31,285 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 03:44:31,380 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-33.i[915,928] [2023-12-16 03:44:31,404 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 03:44:31,412 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 03:44:31,420 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-33.i[915,928] [2023-12-16 03:44:31,432 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 03:44:31,443 INFO L206 MainTranslator]: Completed translation [2023-12-16 03:44:31,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:44:31 WrapperNode [2023-12-16 03:44:31,443 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 03:44:31,444 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 03:44:31,444 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 03:44:31,445 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 03:44:31,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:44:31" (1/1) ... [2023-12-16 03:44:31,456 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:44:31" (1/1) ... [2023-12-16 03:44:31,477 INFO L138 Inliner]: procedures = 26, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 100 [2023-12-16 03:44:31,478 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 03:44:31,478 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 03:44:31,478 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 03:44:31,478 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 03:44:31,488 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:44:31" (1/1) ... [2023-12-16 03:44:31,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:44:31" (1/1) ... [2023-12-16 03:44:31,490 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:44:31" (1/1) ... [2023-12-16 03:44:31,507 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 03:44:31,508 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:44:31" (1/1) ... [2023-12-16 03:44:31,508 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:44:31" (1/1) ... [2023-12-16 03:44:31,511 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:44:31" (1/1) ... [2023-12-16 03:44:31,513 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:44:31" (1/1) ... [2023-12-16 03:44:31,514 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:44:31" (1/1) ... [2023-12-16 03:44:31,515 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:44:31" (1/1) ... [2023-12-16 03:44:31,516 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 03:44:31,517 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 03:44:31,517 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 03:44:31,517 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 03:44:31,530 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:44:31" (1/1) ... [2023-12-16 03:44:31,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 03:44:31,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:44:31,578 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 03:44:31,585 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 03:44:31,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 03:44:31,609 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 03:44:31,609 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 03:44:31,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 03:44:31,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 03:44:31,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 03:44:31,698 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 03:44:31,701 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 03:44:31,965 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 03:44:32,009 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 03:44:32,010 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 03:44:32,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:44:32 BoogieIcfgContainer [2023-12-16 03:44:32,010 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 03:44:32,011 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 03:44:32,011 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 03:44:32,014 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 03:44:32,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 03:44:31" (1/3) ... [2023-12-16 03:44:32,014 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@531c0ec2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:44:32, skipping insertion in model container [2023-12-16 03:44:32,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:44:31" (2/3) ... [2023-12-16 03:44:32,014 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@531c0ec2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:44:32, skipping insertion in model container [2023-12-16 03:44:32,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:44:32" (3/3) ... [2023-12-16 03:44:32,015 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-33.i [2023-12-16 03:44:32,028 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 03:44:32,029 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 03:44:32,066 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 03:44:32,071 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;@5e2ebd50, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 03:44:32,072 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 03:44:32,075 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 25 states have internal predecessors, (35), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-16 03:44:32,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-16 03:44:32,086 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:44:32,087 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:44:32,088 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:44:32,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:44:32,092 INFO L85 PathProgramCache]: Analyzing trace with hash -440859390, now seen corresponding path program 1 times [2023-12-16 03:44:32,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:44:32,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077224974] [2023-12-16 03:44:32,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:44:32,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:44:32,236 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 03:44:32,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1987215213] [2023-12-16 03:44:32,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:44:32,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:44:32,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:44:32,250 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 03:44:32,257 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 03:44:32,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:44:32,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 03:44:32,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 03:44:32,453 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 43 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-16 03:44:32,454 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 03:44:32,562 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-12-16 03:44:32,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 03:44:32,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077224974] [2023-12-16 03:44:32,562 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 03:44:32,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987215213] [2023-12-16 03:44:32,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1987215213] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 03:44:32,563 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 03:44:32,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2023-12-16 03:44:32,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524892956] [2023-12-16 03:44:32,565 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 03:44:32,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 03:44:32,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 03:44:32,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 03:44:32,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-16 03:44:32,587 INFO L87 Difference]: Start difference. First operand has 35 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 25 states have internal predecessors, (35), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-16 03:44:32,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 03:44:32,728 INFO L93 Difference]: Finished difference Result 75 states and 116 transitions. [2023-12-16 03:44:32,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 03:44:32,730 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 57 [2023-12-16 03:44:32,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 03:44:32,735 INFO L225 Difference]: With dead ends: 75 [2023-12-16 03:44:32,735 INFO L226 Difference]: Without dead ends: 39 [2023-12-16 03:44:32,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 105 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=114, Unknown=0, NotChecked=0, Total=182 [2023-12-16 03:44:32,741 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 59 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 03:44:32,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 64 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 03:44:32,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-12-16 03:44:32,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2023-12-16 03:44:32,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-16 03:44:32,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2023-12-16 03:44:32,773 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 57 [2023-12-16 03:44:32,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 03:44:32,774 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2023-12-16 03:44:32,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-16 03:44:32,774 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2023-12-16 03:44:32,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-16 03:44:32,778 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:44:32,778 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:44:32,789 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 03:44:32,984 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 03:44:32,985 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:44:32,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:44:32,985 INFO L85 PathProgramCache]: Analyzing trace with hash -796321403, now seen corresponding path program 1 times [2023-12-16 03:44:32,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:44:32,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694832377] [2023-12-16 03:44:32,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:44:32,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:44:33,013 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 03:44:33,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1257822794] [2023-12-16 03:44:33,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:44:33,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:44:33,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:44:33,020 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 03:44:33,021 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 03:44:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:44:33,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-16 03:44:33,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 03:44:33,195 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-12-16 03:44:33,195 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 03:44:33,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 03:44:33,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694832377] [2023-12-16 03:44:33,196 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 03:44:33,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257822794] [2023-12-16 03:44:33,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257822794] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 03:44:33,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 03:44:33,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 03:44:33,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53051605] [2023-12-16 03:44:33,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 03:44:33,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 03:44:33,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 03:44:33,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 03:44:33,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-16 03:44:33,200 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand has 7 states, 7 states have (on average 3.0) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-12-16 03:44:33,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 03:44:33,339 INFO L93 Difference]: Finished difference Result 146 states and 186 transitions. [2023-12-16 03:44:33,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 03:44:33,340 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 58 [2023-12-16 03:44:33,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 03:44:33,341 INFO L225 Difference]: With dead ends: 146 [2023-12-16 03:44:33,342 INFO L226 Difference]: Without dead ends: 110 [2023-12-16 03:44:33,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2023-12-16 03:44:33,343 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 92 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 03:44:33,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 262 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 03:44:33,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-12-16 03:44:33,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 64. [2023-12-16 03:44:33,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 43 states have (on average 1.1395348837209303) internal successors, (49), 43 states have internal predecessors, (49), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-16 03:44:33,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 81 transitions. [2023-12-16 03:44:33,356 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 81 transitions. Word has length 58 [2023-12-16 03:44:33,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 03:44:33,357 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 81 transitions. [2023-12-16 03:44:33,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-12-16 03:44:33,357 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2023-12-16 03:44:33,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-16 03:44:33,358 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:44:33,358 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:44:33,367 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 03:44:33,560 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 03:44:33,560 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:44:33,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:44:33,561 INFO L85 PathProgramCache]: Analyzing trace with hash 978685959, now seen corresponding path program 1 times [2023-12-16 03:44:33,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:44:33,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264284149] [2023-12-16 03:44:33,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:44:33,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:44:33,578 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 03:44:33,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1417073647] [2023-12-16 03:44:33,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:44:33,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:44:33,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:44:33,580 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 03:44:33,597 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 03:44:33,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 03:44:33,649 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-16 03:44:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 03:44:33,704 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-16 03:44:33,704 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-16 03:44:33,705 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 03:44:33,716 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 03:44:33,912 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 03:44:33,915 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-16 03:44:33,917 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 03:44:33,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 03:44:33 BoogieIcfgContainer [2023-12-16 03:44:33,966 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 03:44:33,967 INFO L158 Benchmark]: Toolchain (without parser) took 2704.34ms. Allocated memory was 202.4MB in the beginning and 266.3MB in the end (delta: 64.0MB). Free memory was 153.8MB in the beginning and 133.2MB in the end (delta: 20.6MB). Peak memory consumption was 85.6MB. Max. memory is 8.0GB. [2023-12-16 03:44:33,967 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 202.4MB. Free memory is still 155.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 03:44:33,967 INFO L158 Benchmark]: CACSL2BoogieTranslator took 180.31ms. Allocated memory is still 202.4MB. Free memory was 153.4MB in the beginning and 141.2MB in the end (delta: 12.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-12-16 03:44:33,968 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.39ms. Allocated memory is still 202.4MB. Free memory was 141.2MB in the beginning and 139.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 03:44:33,968 INFO L158 Benchmark]: Boogie Preprocessor took 38.27ms. Allocated memory is still 202.4MB. Free memory was 139.1MB in the beginning and 136.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 03:44:33,968 INFO L158 Benchmark]: RCFGBuilder took 492.93ms. Allocated memory is still 202.4MB. Free memory was 136.0MB in the beginning and 119.5MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-16 03:44:33,969 INFO L158 Benchmark]: TraceAbstraction took 1955.13ms. Allocated memory was 202.4MB in the beginning and 266.3MB in the end (delta: 64.0MB). Free memory was 118.8MB in the beginning and 133.2MB in the end (delta: -14.4MB). Peak memory consumption was 49.9MB. Max. memory is 8.0GB. [2023-12-16 03:44:33,970 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 202.4MB. Free memory is still 155.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 180.31ms. Allocated memory is still 202.4MB. Free memory was 153.4MB in the beginning and 141.2MB in the end (delta: 12.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.39ms. Allocated memory is still 202.4MB. Free memory was 141.2MB in the beginning and 139.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.27ms. Allocated memory is still 202.4MB. Free memory was 139.1MB in the beginning and 136.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 492.93ms. Allocated memory is still 202.4MB. Free memory was 136.0MB in the beginning and 119.5MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 1955.13ms. Allocated memory was 202.4MB in the beginning and 266.3MB in the end (delta: 64.0MB). Free memory was 118.8MB in the beginning and 133.2MB in the end (delta: -14.4MB). Peak memory consumption was 49.9MB. 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 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 83, overapproximation of bitwise operation at line 38. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -10; [L23] unsigned char var_1_7 = 200; [L24] unsigned char var_1_8 = 4; [L25] signed char var_1_9 = 50; [L26] signed char var_1_12 = -5; [L27] float var_1_13 = 999999999999.8; [L28] float var_1_14 = 100.5; [L29] float var_1_15 = 32.75; [L30] unsigned char var_1_16 = 1; [L31] unsigned char var_1_17 = 1; [L32] unsigned char var_1_18 = 128; [L33] unsigned char last_1_var_1_7 = 200; [L34] signed char last_1_var_1_9 = 50; [L87] isInitial = 1 [L88] FCALL initially() [L89] int k_loop; [L90] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-5, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=4, var_1_9=50] [L90] COND TRUE k_loop < 1 [L91] CALL updateLastVariables() [L79] last_1_var_1_7 = var_1_7 [L80] last_1_var_1_9 = var_1_9 [L91] RET updateLastVariables() [L92] CALL updateVariables() [L64] var_1_8 = __VERIFIER_nondet_uchar() [L65] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-5, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-5, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_9=50] [L65] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-5, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_9=50] [L66] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-5, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-5, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=0, var_1_9=50] [L66] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-5, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=0, var_1_9=50] [L67] var_1_12 = __VERIFIER_nondet_char() [L68] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=0, var_1_9=50] [L68] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=0, var_1_9=50] [L69] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=0, var_1_9=50] [L69] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=0, var_1_9=50] [L70] var_1_14 = __VERIFIER_nondet_float() [L71] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=0, var_1_9=50] [L71] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=0, var_1_9=50] [L72] var_1_15 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=0, var_1_9=50] [L73] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=0, var_1_9=50] [L74] var_1_17 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=0, var_1_9=50] [L75] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=0, var_1_9=50] [L76] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=0, var_1_9=50] [L76] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=0, var_1_9=50] [L92] RET updateVariables() [L93] CALL step() [L38] EXPR last_1_var_1_9 ^ last_1_var_1_9 [L38] signed long int stepLocal_0 = (last_1_var_1_9 ^ last_1_var_1_9) + last_1_var_1_9; [L39] COND FALSE !(stepLocal_0 < -1) [L42] var_1_1 = (128 - (last_1_var_1_7 + last_1_var_1_7)) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, stepLocal_0=-1, var_1_12=126, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-272, var_1_7=200, var_1_8=0, var_1_9=50] [L44] var_1_16 = var_1_17 [L45] var_1_18 = var_1_8 VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, stepLocal_0=-1, var_1_12=126, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=0, var_1_1=-272, var_1_7=200, var_1_8=0, var_1_9=50] [L46] COND TRUE var_1_18 == var_1_18 [L47] var_1_7 = var_1_8 VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, stepLocal_0=-1, var_1_12=126, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=0, var_1_1=-272, var_1_7=0, var_1_8=0, var_1_9=50] [L49] signed short int stepLocal_3 = var_1_1; VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, stepLocal_0=-1, stepLocal_3=-272, var_1_12=126, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=0, var_1_1=-272, var_1_7=0, var_1_8=0, var_1_9=50] [L50] COND FALSE !(var_1_18 == stepLocal_3) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, stepLocal_0=-1, stepLocal_3=-272, var_1_12=126, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=0, var_1_1=-272, var_1_7=0, var_1_8=0, var_1_9=50] [L53] signed short int stepLocal_2 = var_1_1; [L54] unsigned char stepLocal_1 = (var_1_1 * var_1_18) < -10000; VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, stepLocal_0=-1, stepLocal_1=0, stepLocal_2=-272, stepLocal_3=-272, var_1_12=126, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=0, var_1_1=-272, var_1_7=0, var_1_8=0, var_1_9=50] [L55] COND TRUE \read(var_1_16) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, stepLocal_0=-1, stepLocal_1=0, stepLocal_2=-272, stepLocal_3=-272, var_1_12=126, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=0, var_1_1=-272, var_1_7=0, var_1_8=0, var_1_9=50] [L56] COND FALSE !(stepLocal_1 && var_1_16) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, stepLocal_0=-1, stepLocal_1=0, stepLocal_2=-272, stepLocal_3=-272, var_1_12=126, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=0, var_1_1=-272, var_1_7=0, var_1_8=0, var_1_9=50] [L93] RET step() [L94] CALL, EXPR property() [L83] EXPR last_1_var_1_9 ^ last_1_var_1_9 [L83-L84] return ((((((((last_1_var_1_9 ^ last_1_var_1_9) + last_1_var_1_9) < -1) ? (var_1_1 == ((signed short int) 8)) : (var_1_1 == ((signed short int) (128 - (last_1_var_1_7 + last_1_var_1_7))))) && ((var_1_18 == var_1_18) ? (var_1_7 == ((unsigned char) var_1_8)) : 1)) && (var_1_16 ? ((((var_1_1 * var_1_18) < -10000) && var_1_16) ? ((var_1_1 > var_1_1) ? (var_1_9 == ((signed char) var_1_12)) : 1) : 1) : 1)) && ((var_1_18 == var_1_1) ? (var_1_13 == ((float) (var_1_14 - var_1_15))) : 1)) && (var_1_16 == ((unsigned char) var_1_17))) && (var_1_18 == ((unsigned char) var_1_8)) ; [L94] RET, EXPR property() [L94] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=0, var_1_1=-272, var_1_7=0, var_1_8=0, var_1_9=50] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=0, var_1_1=-272, var_1_7=0, var_1_8=0, var_1_9=50] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 3, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 152 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 151 mSDsluCounter, 326 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 240 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 158 IncrementalHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 86 mSDtfsCounter, 158 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 181 GetRequests, 157 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred in iteration=2, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 48 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 173 NumberOfCodeBlocks, 173 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 169 ConstructedInterpolants, 0 QuantifiedInterpolants, 409 SizeOfPredicates, 7 NumberOfNonLiveVariables, 338 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 330/336 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: unable to determine feasibility of some traces [2023-12-16 03:44:33,997 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...