/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-64bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.mul6.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 19:39:09,266 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 19:39:09,335 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2023-12-16 19:39:09,338 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 19:39:09,338 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 19:39:09,354 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 19:39:09,355 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 19:39:09,355 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 19:39:09,356 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 19:39:09,359 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 19:39:09,359 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 19:39:09,359 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 19:39:09,360 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 19:39:09,361 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 19:39:09,361 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 19:39:09,361 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 19:39:09,361 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 19:39:09,362 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 19:39:09,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 19:39:09,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 19:39:09,362 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 19:39:09,362 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 19:39:09,362 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 19:39:09,363 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 19:39:09,363 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 19:39:09,363 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 19:39:09,363 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 19:39:09,364 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 19:39:09,364 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 19:39:09,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 19:39:09,365 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 19:39:09,365 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 19:39:09,365 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 19:39:09,365 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 19:39:09,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 19:39:09,365 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 19:39:09,365 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 19:39:09,365 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 19:39:09,366 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 19:39:09,366 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 19:39:09,366 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-16 19:39:09,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 19:39:09,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 19:39:09,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 19:39:09,590 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 19:39:09,591 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 19:39:09,592 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.mul6.c [2023-12-16 19:39:10,706 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 19:39:10,871 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 19:39:10,872 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.mul6.c [2023-12-16 19:39:10,878 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45a5d15ea/952ee60c3e2b4f6389b0062a2087628f/FLAGbd110e729 [2023-12-16 19:39:10,888 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45a5d15ea/952ee60c3e2b4f6389b0062a2087628f [2023-12-16 19:39:10,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 19:39:10,891 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 19:39:10,892 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 19:39:10,892 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 19:39:10,901 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 19:39:10,902 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 07:39:10" (1/1) ... [2023-12-16 19:39:10,903 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a788177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:39:10, skipping insertion in model container [2023-12-16 19:39:10,903 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 07:39:10" (1/1) ... [2023-12-16 19:39:10,949 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 19:39:11,043 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.mul6.c[1298,1311] [2023-12-16 19:39:11,091 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 19:39:11,098 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 19:39:11,105 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.mul6.c[1298,1311] [2023-12-16 19:39:11,136 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 19:39:11,144 INFO L206 MainTranslator]: Completed translation [2023-12-16 19:39:11,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:39:11 WrapperNode [2023-12-16 19:39:11,145 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 19:39:11,146 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 19:39:11,146 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 19:39:11,146 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 19:39:11,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:39:11" (1/1) ... [2023-12-16 19:39:11,164 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:39:11" (1/1) ... [2023-12-16 19:39:11,198 INFO L138 Inliner]: procedures = 18, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 538 [2023-12-16 19:39:11,198 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 19:39:11,199 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 19:39:11,199 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 19:39:11,199 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 19:39:11,206 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:39:11" (1/1) ... [2023-12-16 19:39:11,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:39:11" (1/1) ... [2023-12-16 19:39:11,211 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:39:11" (1/1) ... [2023-12-16 19:39:11,225 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2023-12-16 19:39:11,225 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:39:11" (1/1) ... [2023-12-16 19:39:11,226 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:39:11" (1/1) ... [2023-12-16 19:39:11,239 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:39:11" (1/1) ... [2023-12-16 19:39:11,243 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:39:11" (1/1) ... [2023-12-16 19:39:11,247 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:39:11" (1/1) ... [2023-12-16 19:39:11,250 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:39:11" (1/1) ... [2023-12-16 19:39:11,273 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 19:39:11,274 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 19:39:11,274 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 19:39:11,274 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 19:39:11,274 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:39:11" (1/1) ... [2023-12-16 19:39:11,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 19:39:11,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 19:39:11,334 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 19:39:11,393 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 19:39:11,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 19:39:11,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 19:39:11,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-16 19:39:11,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 19:39:11,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 19:39:11,518 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 19:39:11,520 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 19:39:11,977 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 19:39:12,002 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 19:39:12,002 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 19:39:12,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 07:39:12 BoogieIcfgContainer [2023-12-16 19:39:12,003 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 19:39:12,004 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 19:39:12,004 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 19:39:12,007 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 19:39:12,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 07:39:10" (1/3) ... [2023-12-16 19:39:12,007 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f9ef15e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 07:39:12, skipping insertion in model container [2023-12-16 19:39:12,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:39:11" (2/3) ... [2023-12-16 19:39:12,007 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f9ef15e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 07:39:12, skipping insertion in model container [2023-12-16 19:39:12,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 07:39:12" (3/3) ... [2023-12-16 19:39:12,008 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul6.c [2023-12-16 19:39:12,022 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 19:39:12,022 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 19:39:12,055 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 19:39:12,059 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;@7e13af8c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 19:39:12,059 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 19:39:12,062 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 99 states have (on average 1.6666666666666667) internal successors, (165), 100 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:39:12,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-16 19:39:12,067 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:39:12,068 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:39:12,068 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:39:12,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:39:12,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1830494391, now seen corresponding path program 1 times [2023-12-16 19:39:12,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:39:12,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614692394] [2023-12-16 19:39:12,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:39:12,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:39:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:39:12,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 19:39:12,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:39:12,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614692394] [2023-12-16 19:39:12,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614692394] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:39:12,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:39:12,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 19:39:12,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916173432] [2023-12-16 19:39:12,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:39:12,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 19:39:12,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:39:12,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 19:39:12,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 19:39:12,496 INFO L87 Difference]: Start difference. First operand has 101 states, 99 states have (on average 1.6666666666666667) internal successors, (165), 100 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:39:12,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:39:12,559 INFO L93 Difference]: Finished difference Result 171 states and 281 transitions. [2023-12-16 19:39:12,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 19:39:12,562 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2023-12-16 19:39:12,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:39:12,569 INFO L225 Difference]: With dead ends: 171 [2023-12-16 19:39:12,570 INFO L226 Difference]: Without dead ends: 101 [2023-12-16 19:39:12,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 19:39:12,575 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 1 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 19:39:12,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 469 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 19:39:12,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-12-16 19:39:12,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2023-12-16 19:39:12,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 100 states have (on average 1.63) internal successors, (163), 100 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:39:12,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 163 transitions. [2023-12-16 19:39:12,604 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 163 transitions. Word has length 38 [2023-12-16 19:39:12,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:39:12,605 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 163 transitions. [2023-12-16 19:39:12,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:39:12,605 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 163 transitions. [2023-12-16 19:39:12,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-16 19:39:12,606 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:39:12,606 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:39:12,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 19:39:12,606 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:39:12,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:39:12,607 INFO L85 PathProgramCache]: Analyzing trace with hash 912476425, now seen corresponding path program 1 times [2023-12-16 19:39:12,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:39:12,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073176947] [2023-12-16 19:39:12,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:39:12,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:39:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:39:12,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 19:39:12,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:39:12,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073176947] [2023-12-16 19:39:12,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073176947] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:39:12,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:39:12,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 19:39:12,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944932761] [2023-12-16 19:39:12,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:39:12,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 19:39:12,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:39:12,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 19:39:12,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 19:39:12,719 INFO L87 Difference]: Start difference. First operand 101 states and 163 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:39:12,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:39:12,738 INFO L93 Difference]: Finished difference Result 174 states and 279 transitions. [2023-12-16 19:39:12,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 19:39:12,739 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2023-12-16 19:39:12,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:39:12,740 INFO L225 Difference]: With dead ends: 174 [2023-12-16 19:39:12,740 INFO L226 Difference]: Without dead ends: 104 [2023-12-16 19:39:12,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 19:39:12,741 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 1 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 19:39:12,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 467 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 19:39:12,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-12-16 19:39:12,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 103. [2023-12-16 19:39:12,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 102 states have (on average 1.6176470588235294) internal successors, (165), 102 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:39:12,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 165 transitions. [2023-12-16 19:39:12,770 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 165 transitions. Word has length 39 [2023-12-16 19:39:12,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:39:12,771 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 165 transitions. [2023-12-16 19:39:12,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:39:12,771 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 165 transitions. [2023-12-16 19:39:12,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-16 19:39:12,772 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:39:12,772 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:39:12,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-16 19:39:12,772 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:39:12,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:39:12,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1988434159, now seen corresponding path program 1 times [2023-12-16 19:39:12,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:39:12,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399712779] [2023-12-16 19:39:12,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:39:12,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:39:12,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:39:13,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 19:39:13,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:39:13,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399712779] [2023-12-16 19:39:13,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399712779] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:39:13,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:39:13,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 19:39:13,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424673543] [2023-12-16 19:39:13,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:39:13,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 19:39:13,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:39:13,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 19:39:13,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 19:39:13,127 INFO L87 Difference]: Start difference. First operand 103 states and 165 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:39:13,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:39:13,207 INFO L93 Difference]: Finished difference Result 260 states and 414 transitions. [2023-12-16 19:39:13,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 19:39:13,207 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2023-12-16 19:39:13,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:39:13,211 INFO L225 Difference]: With dead ends: 260 [2023-12-16 19:39:13,212 INFO L226 Difference]: Without dead ends: 188 [2023-12-16 19:39:13,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 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 19:39:13,214 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 479 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 19:39:13,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [479 Valid, 484 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 19:39:13,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2023-12-16 19:39:13,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 117. [2023-12-16 19:39:13,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 116 states have (on average 1.6120689655172413) internal successors, (187), 116 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:39:13,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 187 transitions. [2023-12-16 19:39:13,232 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 187 transitions. Word has length 40 [2023-12-16 19:39:13,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:39:13,235 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 187 transitions. [2023-12-16 19:39:13,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:39:13,235 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 187 transitions. [2023-12-16 19:39:13,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-16 19:39:13,235 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:39:13,236 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:39:13,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-16 19:39:13,236 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:39:13,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:39:13,236 INFO L85 PathProgramCache]: Analyzing trace with hash 87990191, now seen corresponding path program 1 times [2023-12-16 19:39:13,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:39:13,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084142718] [2023-12-16 19:39:13,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:39:13,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:39:13,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:39:13,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 19:39:13,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:39:13,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084142718] [2023-12-16 19:39:13,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084142718] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:39:13,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:39:13,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 19:39:13,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425412779] [2023-12-16 19:39:13,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:39:13,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 19:39:13,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:39:13,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 19:39:13,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 19:39:13,459 INFO L87 Difference]: Start difference. First operand 117 states and 187 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:39:13,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:39:13,577 INFO L93 Difference]: Finished difference Result 325 states and 517 transitions. [2023-12-16 19:39:13,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-16 19:39:13,577 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2023-12-16 19:39:13,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:39:13,578 INFO L225 Difference]: With dead ends: 325 [2023-12-16 19:39:13,578 INFO L226 Difference]: Without dead ends: 253 [2023-12-16 19:39:13,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2023-12-16 19:39:13,579 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 855 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 855 SdHoareTripleChecker+Valid, 829 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 19:39:13,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [855 Valid, 829 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 19:39:13,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2023-12-16 19:39:13,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 120. [2023-12-16 19:39:13,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 119 states have (on average 1.6050420168067228) internal successors, (191), 119 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:39:13,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 191 transitions. [2023-12-16 19:39:13,583 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 191 transitions. Word has length 41 [2023-12-16 19:39:13,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:39:13,584 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 191 transitions. [2023-12-16 19:39:13,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:39:13,584 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 191 transitions. [2023-12-16 19:39:13,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-16 19:39:13,584 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:39:13,585 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:39:13,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-16 19:39:13,585 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:39:13,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:39:13,585 INFO L85 PathProgramCache]: Analyzing trace with hash -305036819, now seen corresponding path program 1 times [2023-12-16 19:39:13,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:39:13,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745224132] [2023-12-16 19:39:13,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:39:13,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:39:13,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:39:13,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 19:39:13,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:39:13,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745224132] [2023-12-16 19:39:13,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745224132] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:39:13,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:39:13,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 19:39:13,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850628836] [2023-12-16 19:39:13,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:39:13,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 19:39:13,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:39:13,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 19:39:13,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-16 19:39:13,900 INFO L87 Difference]: Start difference. First operand 120 states and 191 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:39:14,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:39:14,107 INFO L93 Difference]: Finished difference Result 326 states and 519 transitions. [2023-12-16 19:39:14,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-16 19:39:14,107 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2023-12-16 19:39:14,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:39:14,108 INFO L225 Difference]: With dead ends: 326 [2023-12-16 19:39:14,108 INFO L226 Difference]: Without dead ends: 254 [2023-12-16 19:39:14,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2023-12-16 19:39:14,109 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 693 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 693 SdHoareTripleChecker+Valid, 1111 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 19:39:14,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [693 Valid, 1111 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 19:39:14,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2023-12-16 19:39:14,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 123. [2023-12-16 19:39:14,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 122 states have (on average 1.598360655737705) internal successors, (195), 122 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:39:14,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 195 transitions. [2023-12-16 19:39:14,113 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 195 transitions. Word has length 41 [2023-12-16 19:39:14,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:39:14,113 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 195 transitions. [2023-12-16 19:39:14,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:39:14,113 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 195 transitions. [2023-12-16 19:39:14,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-16 19:39:14,114 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:39:14,114 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:39:14,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-16 19:39:14,114 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:39:14,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:39:14,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1469970543, now seen corresponding path program 1 times [2023-12-16 19:39:14,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:39:14,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501023791] [2023-12-16 19:39:14,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:39:14,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:39:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 19:39:14,131 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-16 19:39:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 19:39:14,187 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-16 19:39:14,187 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-16 19:39:14,187 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 19:39:14,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-16 19:39:14,191 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-12-16 19:39:14,193 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 19:39:14,230 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-16 19:39:14,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 07:39:14 BoogieIcfgContainer [2023-12-16 19:39:14,238 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 19:39:14,239 INFO L158 Benchmark]: Toolchain (without parser) took 3347.81ms. Allocated memory is still 331.4MB. Free memory was 278.0MB in the beginning and 173.5MB in the end (delta: 104.5MB). Peak memory consumption was 105.4MB. Max. memory is 8.0GB. [2023-12-16 19:39:14,239 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 200.3MB. Free memory is still 149.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 19:39:14,239 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.32ms. Allocated memory is still 331.4MB. Free memory was 278.0MB in the beginning and 261.1MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-16 19:39:14,239 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.68ms. Allocated memory is still 331.4MB. Free memory was 261.1MB in the beginning and 253.2MB in the end (delta: 7.9MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-12-16 19:39:14,240 INFO L158 Benchmark]: Boogie Preprocessor took 74.30ms. Allocated memory is still 331.4MB. Free memory was 253.2MB in the beginning and 248.0MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-16 19:39:14,240 INFO L158 Benchmark]: RCFGBuilder took 729.15ms. Allocated memory is still 331.4MB. Free memory was 248.0MB in the beginning and 261.5MB in the end (delta: -13.5MB). Peak memory consumption was 24.3MB. Max. memory is 8.0GB. [2023-12-16 19:39:14,240 INFO L158 Benchmark]: TraceAbstraction took 2234.21ms. Allocated memory is still 331.4MB. Free memory was 260.4MB in the beginning and 173.5MB in the end (delta: 86.9MB). Peak memory consumption was 87.4MB. Max. memory is 8.0GB. [2023-12-16 19:39:14,241 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 200.3MB. Free memory is still 149.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 253.32ms. Allocated memory is still 331.4MB. Free memory was 278.0MB in the beginning and 261.1MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.68ms. Allocated memory is still 331.4MB. Free memory was 261.1MB in the beginning and 253.2MB in the end (delta: 7.9MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 74.30ms. Allocated memory is still 331.4MB. Free memory was 253.2MB in the beginning and 248.0MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 729.15ms. Allocated memory is still 331.4MB. Free memory was 248.0MB in the beginning and 261.5MB in the end (delta: -13.5MB). Peak memory consumption was 24.3MB. Max. memory is 8.0GB. * TraceAbstraction took 2234.21ms. Allocated memory is still 331.4MB. Free memory was 260.4MB in the beginning and 173.5MB in the end (delta: 86.9MB). Peak memory consumption was 87.4MB. 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: 22]: 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 bitwiseOr at line 111, overapproximation of bitwiseAnd at line 116. Possible FailurePath: [L27] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L28] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L30] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 64); [L31] const SORT_5 msb_SORT_5 = (SORT_5)1 << (64 - 1); [L33] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 10); [L34] const SORT_8 msb_SORT_8 = (SORT_8)1 << (10 - 1); [L36] const SORT_14 mask_SORT_14 = (SORT_14)-1 >> (sizeof(SORT_14) * 8 - 128); [L37] const SORT_14 msb_SORT_14 = (SORT_14)1 << (128 - 1); [L39] const SORT_57 mask_SORT_57 = (SORT_57)-1 >> (sizeof(SORT_57) * 8 - 32); [L40] const SORT_57 msb_SORT_57 = (SORT_57)1 << (32 - 1); [L42] const SORT_1 var_10 = 0; [L43] const SORT_14 var_15 = 0; [L44] const SORT_1 var_24 = 1; [L45] const SORT_5 var_28 = 0; [L46] const SORT_8 var_35 = 0; [L47] const SORT_57 var_58 = 1; [L48] const SORT_57 var_62 = 1000; [L49] const SORT_5 var_64 = 9223372036854775807; [L50] const SORT_5 var_67 = 12245771; [L52] SORT_1 input_2; [L53] SORT_1 input_3; [L54] SORT_1 input_4; [L55] SORT_5 input_6; [L56] SORT_5 input_7; [L57] SORT_8 input_9; [L59] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L59] SORT_1 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L60] EXPR __VERIFIER_nondet_uint128() & mask_SORT_14 VAL [mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, state_11=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L60] SORT_14 state_16 = __VERIFIER_nondet_uint128() & mask_SORT_14; [L61] EXPR __VERIFIER_nondet_uint128() & mask_SORT_14 VAL [mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, state_11=0, state_16=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L61] SORT_14 state_18 = __VERIFIER_nondet_uint128() & mask_SORT_14; [L62] EXPR __VERIFIER_nondet_ulong() & mask_SORT_5 VAL [mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L62] SORT_5 state_29 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L63] EXPR __VERIFIER_nondet_ulong() & mask_SORT_5 VAL [mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L63] SORT_5 state_31 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L64] EXPR __VERIFIER_nondet_ushort() & mask_SORT_8 VAL [mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L64] SORT_8 state_36 = __VERIFIER_nondet_ushort() & mask_SORT_8; [L65] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L65] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L66] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L66] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L67] EXPR __VERIFIER_nondet_ulong() & mask_SORT_5 VAL [mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=0, state_40=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L67] SORT_5 state_42 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L68] EXPR __VERIFIER_nondet_ulong() & mask_SORT_5 VAL [mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=0, state_40=0, state_42=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L68] SORT_5 state_44 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L70] SORT_1 init_12_arg_1 = var_10; [L71] state_11 = init_12_arg_1 [L72] SORT_14 init_17_arg_1 = var_15; [L73] state_16 = init_17_arg_1 [L74] SORT_14 init_19_arg_1 = var_15; [L75] state_18 = init_19_arg_1 [L76] SORT_5 init_30_arg_1 = var_28; [L77] state_29 = init_30_arg_1 [L78] SORT_5 init_32_arg_1 = var_28; [L79] state_31 = init_32_arg_1 [L80] SORT_8 init_37_arg_1 = var_35; [L81] state_36 = init_37_arg_1 [L82] SORT_1 init_39_arg_1 = var_24; [L83] state_38 = init_39_arg_1 [L84] SORT_1 init_41_arg_1 = var_24; [L85] state_40 = init_41_arg_1 [L86] SORT_5 init_43_arg_1 = var_28; [L87] state_42 = init_43_arg_1 [L88] SORT_5 init_45_arg_1 = var_28; [L89] state_44 = init_45_arg_1 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L92] input_2 = __VERIFIER_nondet_uchar() [L93] input_3 = __VERIFIER_nondet_uchar() [L94] EXPR input_3 & mask_SORT_1 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L94] input_3 = input_3 & mask_SORT_1 [L95] input_4 = __VERIFIER_nondet_uchar() [L96] EXPR input_4 & mask_SORT_1 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L96] input_4 = input_4 & mask_SORT_1 [L97] input_6 = __VERIFIER_nondet_ulong() [L98] EXPR input_6 & mask_SORT_5 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, input_6=0, mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L98] input_6 = input_6 & mask_SORT_5 [L99] input_7 = __VERIFIER_nondet_ulong() [L100] EXPR input_7 & mask_SORT_5 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, input_6=0, input_7=0, mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L100] input_7 = input_7 & mask_SORT_5 [L101] input_9 = __VERIFIER_nondet_ushort() [L104] SORT_1 var_13_arg_0 = state_11; [L105] SORT_1 var_13 = ~var_13_arg_0; [L106] SORT_14 var_20_arg_0 = state_16; [L107] SORT_14 var_20_arg_1 = state_18; [L108] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L109] SORT_1 var_21_arg_0 = var_13; [L110] SORT_1 var_21_arg_1 = var_20; VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, input_6=0, input_7=0, mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_13=255, var_13_arg_0=0, var_15=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_21_arg_0=255, var_21_arg_1=1, var_24=1, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L111] EXPR var_21_arg_0 | var_21_arg_1 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, input_6=0, input_7=0, mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_13=255, var_13_arg_0=0, var_15=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_21_arg_0=255, var_21_arg_1=1, var_24=1, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L111] SORT_1 var_21 = var_21_arg_0 | var_21_arg_1; [L112] SORT_1 var_25_arg_0 = var_21; [L113] SORT_1 var_25 = ~var_25_arg_0; [L114] SORT_1 var_26_arg_0 = var_24; [L115] SORT_1 var_26_arg_1 = var_25; VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, input_6=0, input_7=0, mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_13=255, var_13_arg_0=0, var_15=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_21=0, var_21_arg_0=255, var_21_arg_1=1, var_24=1, var_25=255, var_25_arg_0=0, var_26_arg_0=1, var_26_arg_1=255, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L116] EXPR var_26_arg_0 & var_26_arg_1 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, input_6=0, input_7=0, mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_13=255, var_13_arg_0=0, var_15=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_21=0, var_21_arg_0=255, var_21_arg_1=1, var_24=1, var_25=255, var_25_arg_0=0, var_26_arg_0=1, var_26_arg_1=255, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L116] SORT_1 var_26 = var_26_arg_0 & var_26_arg_1; [L117] EXPR var_26 & mask_SORT_1 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, input_6=0, input_7=0, mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_13=255, var_13_arg_0=0, var_15=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_21=0, var_21_arg_0=255, var_21_arg_1=1, var_24=1, var_25=255, var_25_arg_0=0, var_26=1, var_26_arg_0=1, var_26_arg_1=255, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L117] var_26 = var_26 & mask_SORT_1 [L118] SORT_1 bad_27_arg_0 = var_26; [L119] CALL __VERIFIER_assert(!(bad_27_arg_0)) [L22] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L22] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 101 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2029 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2029 mSDsluCounter, 3360 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2421 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 171 IncrementalHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 939 mSDtfsCounter, 171 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123occurred in iteration=5, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 336 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 240 NumberOfCodeBlocks, 240 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 633 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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 19:39:14,295 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...