/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 false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.client_server.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 20:29:29,190 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 20:29:29,281 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 20:29:29,287 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 20:29:29,288 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 20:29:29,316 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 20:29:29,317 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 20:29:29,317 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 20:29:29,317 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 20:29:29,321 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 20:29:29,321 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 20:29:29,322 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 20:29:29,322 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 20:29:29,324 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 20:29:29,324 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 20:29:29,324 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 20:29:29,324 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 20:29:29,324 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 20:29:29,325 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 20:29:29,325 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 20:29:29,325 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 20:29:29,326 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 20:29:29,326 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 20:29:29,326 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 20:29:29,326 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 20:29:29,327 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 20:29:29,327 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 20:29:29,327 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 20:29:29,327 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 20:29:29,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:29:29,328 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 20:29:29,329 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 20:29:29,329 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 20:29:29,329 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 20:29:29,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 20:29:29,329 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 20:29:29,329 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 20:29:29,330 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 20:29:29,330 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 20:29:29,330 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 20:29:29,330 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 20:29:29,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 20:29:29,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 20:29:29,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 20:29:29,616 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 20:29:29,616 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 20:29:29,617 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.client_server.c [2023-12-16 20:29:30,796 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 20:29:31,026 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 20:29:31,027 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.client_server.c [2023-12-16 20:29:31,040 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/221239ab5/b0958f695710405685246321e439e11d/FLAGe86fcda3b [2023-12-16 20:29:31,056 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/221239ab5/b0958f695710405685246321e439e11d [2023-12-16 20:29:31,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 20:29:31,061 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 20:29:31,062 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 20:29:31,062 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 20:29:31,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 20:29:31,068 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:29:31" (1/1) ... [2023-12-16 20:29:31,069 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b2fdf6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:29:31, skipping insertion in model container [2023-12-16 20:29:31,069 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:29:31" (1/1) ... [2023-12-16 20:29:31,109 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 20:29:31,250 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.client_server.c[1253,1266] [2023-12-16 20:29:31,372 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:29:31,380 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 20:29:31,390 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.client_server.c[1253,1266] [2023-12-16 20:29:31,479 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:29:31,492 INFO L206 MainTranslator]: Completed translation [2023-12-16 20:29:31,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:29:31 WrapperNode [2023-12-16 20:29:31,500 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 20:29:31,506 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 20:29:31,506 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 20:29:31,506 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 20:29:31,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:29:31" (1/1) ... [2023-12-16 20:29:31,538 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:29:31" (1/1) ... [2023-12-16 20:29:31,596 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 583 [2023-12-16 20:29:31,597 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 20:29:31,597 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 20:29:31,598 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 20:29:31,598 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 20:29:31,608 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:29:31" (1/1) ... [2023-12-16 20:29:31,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:29:31" (1/1) ... [2023-12-16 20:29:31,624 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:29:31" (1/1) ... [2023-12-16 20:29:31,673 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 20:29:31,673 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:29:31" (1/1) ... [2023-12-16 20:29:31,673 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:29:31" (1/1) ... [2023-12-16 20:29:31,696 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:29:31" (1/1) ... [2023-12-16 20:29:31,699 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:29:31" (1/1) ... [2023-12-16 20:29:31,703 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:29:31" (1/1) ... [2023-12-16 20:29:31,706 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:29:31" (1/1) ... [2023-12-16 20:29:31,713 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 20:29:31,714 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 20:29:31,714 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 20:29:31,714 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 20:29:31,715 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:29:31" (1/1) ... [2023-12-16 20:29:31,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:29:31,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 20:29:31,761 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 20:29:31,775 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 20:29:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 20:29:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 20:29:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 20:29:31,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 20:29:31,978 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 20:29:31,981 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 20:29:32,429 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 20:29:32,470 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 20:29:32,471 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 20:29:32,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:29:32 BoogieIcfgContainer [2023-12-16 20:29:32,472 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 20:29:32,474 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 20:29:32,475 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 20:29:32,477 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 20:29:32,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 08:29:31" (1/3) ... [2023-12-16 20:29:32,478 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6839e21a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:29:32, skipping insertion in model container [2023-12-16 20:29:32,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:29:31" (2/3) ... [2023-12-16 20:29:32,479 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6839e21a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:29:32, skipping insertion in model container [2023-12-16 20:29:32,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:29:32" (3/3) ... [2023-12-16 20:29:32,480 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.client_server.c [2023-12-16 20:29:32,495 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 20:29:32,495 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 20:29:32,537 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 20:29:32,542 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;@938bf7b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 20:29:32,543 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 20:29:32,546 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 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 20:29:32,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-16 20:29:32,551 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 20:29:32,551 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-16 20:29:32,552 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 20:29:32,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 20:29:32,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-12-16 20:29:32,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 20:29:32,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262438404] [2023-12-16 20:29:32,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 20:29:32,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 20:29:33,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 20:29:33,003 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-16 20:29:33,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 20:29:33,239 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-16 20:29:33,240 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-16 20:29:33,241 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 20:29:33,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 20:29:33,248 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-16 20:29:33,251 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 20:29:33,290 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-16 20:29:33,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 08:29:33 BoogieIcfgContainer [2023-12-16 20:29:33,311 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 20:29:33,312 INFO L158 Benchmark]: Toolchain (without parser) took 2250.97ms. Allocated memory is still 204.5MB. Free memory was 158.7MB in the beginning and 81.3MB in the end (delta: 77.4MB). Peak memory consumption was 79.0MB. Max. memory is 8.0GB. [2023-12-16 20:29:33,312 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 204.5MB. Free memory is still 162.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 20:29:33,313 INFO L158 Benchmark]: CACSL2BoogieTranslator took 442.77ms. Allocated memory is still 204.5MB. Free memory was 158.3MB in the beginning and 134.1MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2023-12-16 20:29:33,313 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.24ms. Allocated memory is still 204.5MB. Free memory was 134.1MB in the beginning and 127.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-12-16 20:29:33,314 INFO L158 Benchmark]: Boogie Preprocessor took 115.85ms. Allocated memory is still 204.5MB. Free memory was 127.9MB in the beginning and 120.5MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-12-16 20:29:33,314 INFO L158 Benchmark]: RCFGBuilder took 758.36ms. Allocated memory is still 204.5MB. Free memory was 120.5MB in the beginning and 144.8MB in the end (delta: -24.3MB). Peak memory consumption was 29.7MB. Max. memory is 8.0GB. [2023-12-16 20:29:33,315 INFO L158 Benchmark]: TraceAbstraction took 836.90ms. Allocated memory is still 204.5MB. Free memory was 143.7MB in the beginning and 81.3MB in the end (delta: 62.4MB). Peak memory consumption was 62.9MB. Max. memory is 8.0GB. [2023-12-16 20:29:33,317 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 204.5MB. Free memory is still 162.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 442.77ms. Allocated memory is still 204.5MB. Free memory was 158.3MB in the beginning and 134.1MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 91.24ms. Allocated memory is still 204.5MB. Free memory was 134.1MB in the beginning and 127.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 115.85ms. Allocated memory is still 204.5MB. Free memory was 127.9MB in the beginning and 120.5MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 758.36ms. Allocated memory is still 204.5MB. Free memory was 120.5MB in the beginning and 144.8MB in the end (delta: -24.3MB). Peak memory consumption was 29.7MB. Max. memory is 8.0GB. * TraceAbstraction took 836.90ms. Allocated memory is still 204.5MB. Free memory was 143.7MB in the beginning and 81.3MB in the end (delta: 62.4MB). Peak memory consumption was 62.9MB. 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: 21]: 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 bitwise operation at line 96. Possible FailurePath: [L26] EXPR (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1) [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] EXPR (SORT_1)1 << (1 - 1) [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] EXPR (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 5) [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 5); [L30] EXPR (SORT_3)1 << (5 - 1) [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (5 - 1); [L32] const SORT_1 var_6 = 0; [L33] const SORT_1 var_18 = 1; [L35] SORT_1 input_2; [L36] SORT_3 input_4; [L37] SORT_3 input_5; [L38] SORT_1 input_77; [L39] SORT_3 input_79; [L40] SORT_1 input_89; [L41] SORT_3 input_96; [L43] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L43] SORT_1 state_7 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L44] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L44] SORT_1 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L45] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L45] SORT_1 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L46] SORT_1 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L47] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L47] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] SORT_1 init_8_arg_1 = var_6; [L50] state_7 = init_8_arg_1 [L51] SORT_1 init_10_arg_1 = var_6; [L52] state_9 = init_10_arg_1 [L53] SORT_1 init_13_arg_1 = var_6; [L54] state_12 = init_13_arg_1 [L55] SORT_1 init_15_arg_1 = var_6; [L56] state_14 = init_15_arg_1 [L57] SORT_1 init_76_arg_1 = var_18; [L58] state_75 = init_76_arg_1 VAL [init_10_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_76_arg_1=1, init_8_arg_1=0, mask_SORT_1=0, mask_SORT_3=0, msb_SORT_1=0, msb_SORT_3=0, state_12=0, state_14=0, state_75=1, state_7=0, state_9=0, var_18=1, var_6=0] [L61] input_2 = __VERIFIER_nondet_uchar() [L62] input_4 = __VERIFIER_nondet_uchar() [L63] input_5 = __VERIFIER_nondet_uchar() [L64] input_77 = __VERIFIER_nondet_uchar() [L65] input_79 = __VERIFIER_nondet_uchar() [L66] input_89 = __VERIFIER_nondet_uchar() [L67] input_96 = __VERIFIER_nondet_uchar() [L70] SORT_1 var_16_arg_0 = var_6; [L71] SORT_1 var_16_arg_1 = state_14; [L72] SORT_1 var_16_arg_2 = state_12; [L73] SORT_1 var_16 = var_16_arg_0 ? var_16_arg_1 : var_16_arg_2; [L74] SORT_1 var_11_arg_0 = var_6; [L75] SORT_1 var_11_arg_1 = state_9; [L76] SORT_1 var_11_arg_2 = state_7; [L77] SORT_1 var_11 = var_11_arg_0 ? var_11_arg_1 : var_11_arg_2; [L78] SORT_1 var_17_arg_0 = var_6; [L79] SORT_1 var_17_arg_1 = var_16; [L80] SORT_1 var_17_arg_2 = var_11; [L81] SORT_1 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L82] SORT_1 var_20_arg_0 = var_18; [L83] SORT_1 var_20_arg_1 = state_14; [L84] SORT_1 var_20_arg_2 = state_12; [L85] SORT_1 var_20 = var_20_arg_0 ? var_20_arg_1 : var_20_arg_2; [L86] SORT_1 var_19_arg_0 = var_18; [L87] SORT_1 var_19_arg_1 = state_9; [L88] SORT_1 var_19_arg_2 = state_7; [L89] SORT_1 var_19 = var_19_arg_0 ? var_19_arg_1 : var_19_arg_2; [L90] SORT_1 var_21_arg_0 = var_6; [L91] SORT_1 var_21_arg_1 = var_20; [L92] SORT_1 var_21_arg_2 = var_19; [L93] SORT_1 var_21 = var_21_arg_0 ? var_21_arg_1 : var_21_arg_2; [L94] SORT_1 var_22_arg_0 = var_17; [L95] SORT_1 var_22_arg_1 = var_21; [L96] EXPR var_22_arg_0 & var_22_arg_1 [L96] SORT_1 var_22 = var_22_arg_0 & var_22_arg_1; [L97] SORT_1 var_23_arg_0 = var_22; [L98] SORT_1 var_23 = ~var_23_arg_0; [L99] SORT_1 var_25_arg_0 = var_6; [L100] SORT_1 var_25_arg_1 = state_14; [L101] SORT_1 var_25_arg_2 = state_12; [L102] SORT_1 var_25 = var_25_arg_0 ? var_25_arg_1 : var_25_arg_2; [L103] SORT_1 var_24_arg_0 = var_6; [L104] SORT_1 var_24_arg_1 = state_9; [L105] SORT_1 var_24_arg_2 = state_7; [L106] SORT_1 var_24 = var_24_arg_0 ? var_24_arg_1 : var_24_arg_2; [L107] SORT_1 var_26_arg_0 = var_6; [L108] SORT_1 var_26_arg_1 = var_25; [L109] SORT_1 var_26_arg_2 = var_24; [L110] SORT_1 var_26 = var_26_arg_0 ? var_26_arg_1 : var_26_arg_2; [L111] SORT_1 var_28_arg_0 = var_6; [L112] SORT_1 var_28_arg_1 = state_14; [L113] SORT_1 var_28_arg_2 = state_12; [L114] SORT_1 var_28 = var_28_arg_0 ? var_28_arg_1 : var_28_arg_2; [L115] SORT_1 var_27_arg_0 = var_6; [L116] SORT_1 var_27_arg_1 = state_9; [L117] SORT_1 var_27_arg_2 = state_7; [L118] SORT_1 var_27 = var_27_arg_0 ? var_27_arg_1 : var_27_arg_2; [L119] SORT_1 var_29_arg_0 = var_18; [L120] SORT_1 var_29_arg_1 = var_28; [L121] SORT_1 var_29_arg_2 = var_27; [L122] SORT_1 var_29 = var_29_arg_0 ? var_29_arg_1 : var_29_arg_2; [L123] SORT_1 var_30_arg_0 = var_26; [L124] SORT_1 var_30_arg_1 = var_29; [L125] EXPR var_30_arg_0 & var_30_arg_1 [L125] SORT_1 var_30 = var_30_arg_0 & var_30_arg_1; [L126] SORT_1 var_31_arg_0 = var_30; [L127] SORT_1 var_31 = ~var_31_arg_0; [L128] SORT_1 var_32_arg_0 = var_23; [L129] SORT_1 var_32_arg_1 = var_31; [L130] EXPR var_32_arg_0 & var_32_arg_1 [L130] SORT_1 var_32 = var_32_arg_0 & var_32_arg_1; [L131] SORT_1 var_34_arg_0 = var_6; [L132] SORT_1 var_34_arg_1 = state_14; [L133] SORT_1 var_34_arg_2 = state_12; [L134] SORT_1 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L135] SORT_1 var_33_arg_0 = var_6; [L136] SORT_1 var_33_arg_1 = state_9; [L137] SORT_1 var_33_arg_2 = state_7; [L138] SORT_1 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; [L139] SORT_1 var_35_arg_0 = var_6; [L140] SORT_1 var_35_arg_1 = var_34; [L141] SORT_1 var_35_arg_2 = var_33; [L142] SORT_1 var_35 = var_35_arg_0 ? var_35_arg_1 : var_35_arg_2; [L143] SORT_1 var_37_arg_0 = var_18; [L144] SORT_1 var_37_arg_1 = state_14; [L145] SORT_1 var_37_arg_2 = state_12; [L146] SORT_1 var_37 = var_37_arg_0 ? var_37_arg_1 : var_37_arg_2; [L147] SORT_1 var_36_arg_0 = var_18; [L148] SORT_1 var_36_arg_1 = state_9; [L149] SORT_1 var_36_arg_2 = state_7; [L150] SORT_1 var_36 = var_36_arg_0 ? var_36_arg_1 : var_36_arg_2; [L151] SORT_1 var_38_arg_0 = var_18; [L152] SORT_1 var_38_arg_1 = var_37; [L153] SORT_1 var_38_arg_2 = var_36; [L154] SORT_1 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L155] SORT_1 var_39_arg_0 = var_35; [L156] SORT_1 var_39_arg_1 = var_38; [L157] EXPR var_39_arg_0 & var_39_arg_1 [L157] SORT_1 var_39 = var_39_arg_0 & var_39_arg_1; [L158] SORT_1 var_40_arg_0 = var_39; [L159] SORT_1 var_40 = ~var_40_arg_0; [L160] SORT_1 var_41_arg_0 = var_32; [L161] SORT_1 var_41_arg_1 = var_40; [L162] EXPR var_41_arg_0 & var_41_arg_1 [L162] SORT_1 var_41 = var_41_arg_0 & var_41_arg_1; [L163] SORT_1 var_43_arg_0 = var_18; [L164] SORT_1 var_43_arg_1 = state_14; [L165] SORT_1 var_43_arg_2 = state_12; [L166] SORT_1 var_43 = var_43_arg_0 ? var_43_arg_1 : var_43_arg_2; [L167] SORT_1 var_42_arg_0 = var_18; [L168] SORT_1 var_42_arg_1 = state_9; [L169] SORT_1 var_42_arg_2 = state_7; [L170] SORT_1 var_42 = var_42_arg_0 ? var_42_arg_1 : var_42_arg_2; [L171] SORT_1 var_44_arg_0 = var_6; [L172] SORT_1 var_44_arg_1 = var_43; [L173] SORT_1 var_44_arg_2 = var_42; [L174] SORT_1 var_44 = var_44_arg_0 ? var_44_arg_1 : var_44_arg_2; [L175] SORT_1 var_46_arg_0 = var_6; [L176] SORT_1 var_46_arg_1 = state_14; [L177] SORT_1 var_46_arg_2 = state_12; [L178] SORT_1 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L179] SORT_1 var_45_arg_0 = var_6; [L180] SORT_1 var_45_arg_1 = state_9; [L181] SORT_1 var_45_arg_2 = state_7; [L182] SORT_1 var_45 = var_45_arg_0 ? var_45_arg_1 : var_45_arg_2; [L183] SORT_1 var_47_arg_0 = var_18; [L184] SORT_1 var_47_arg_1 = var_46; [L185] SORT_1 var_47_arg_2 = var_45; [L186] SORT_1 var_47 = var_47_arg_0 ? var_47_arg_1 : var_47_arg_2; [L187] SORT_1 var_48_arg_0 = var_44; [L188] SORT_1 var_48_arg_1 = var_47; [L189] EXPR var_48_arg_0 & var_48_arg_1 [L189] SORT_1 var_48 = var_48_arg_0 & var_48_arg_1; [L190] SORT_1 var_49_arg_0 = var_48; [L191] SORT_1 var_49 = ~var_49_arg_0; [L192] SORT_1 var_50_arg_0 = var_41; [L193] SORT_1 var_50_arg_1 = var_49; [L194] EXPR var_50_arg_0 & var_50_arg_1 [L194] SORT_1 var_50 = var_50_arg_0 & var_50_arg_1; [L195] SORT_1 var_52_arg_0 = var_18; [L196] SORT_1 var_52_arg_1 = state_14; [L197] SORT_1 var_52_arg_2 = state_12; [L198] SORT_1 var_52 = var_52_arg_0 ? var_52_arg_1 : var_52_arg_2; [L199] SORT_1 var_51_arg_0 = var_18; [L200] SORT_1 var_51_arg_1 = state_9; [L201] SORT_1 var_51_arg_2 = state_7; [L202] SORT_1 var_51 = var_51_arg_0 ? var_51_arg_1 : var_51_arg_2; [L203] SORT_1 var_53_arg_0 = var_6; [L204] SORT_1 var_53_arg_1 = var_52; [L205] SORT_1 var_53_arg_2 = var_51; [L206] SORT_1 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L207] SORT_1 var_55_arg_0 = var_18; [L208] SORT_1 var_55_arg_1 = state_14; [L209] SORT_1 var_55_arg_2 = state_12; [L210] SORT_1 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L211] SORT_1 var_54_arg_0 = var_18; [L212] SORT_1 var_54_arg_1 = state_9; [L213] SORT_1 var_54_arg_2 = state_7; [L214] SORT_1 var_54 = var_54_arg_0 ? var_54_arg_1 : var_54_arg_2; [L215] SORT_1 var_56_arg_0 = var_18; [L216] SORT_1 var_56_arg_1 = var_55; [L217] SORT_1 var_56_arg_2 = var_54; [L218] SORT_1 var_56 = var_56_arg_0 ? var_56_arg_1 : var_56_arg_2; [L219] SORT_1 var_57_arg_0 = var_53; [L220] SORT_1 var_57_arg_1 = var_56; [L221] EXPR var_57_arg_0 & var_57_arg_1 [L221] SORT_1 var_57 = var_57_arg_0 & var_57_arg_1; [L222] SORT_1 var_58_arg_0 = var_57; [L223] SORT_1 var_58 = ~var_58_arg_0; [L224] SORT_1 var_59_arg_0 = var_50; [L225] SORT_1 var_59_arg_1 = var_58; [L226] EXPR var_59_arg_0 & var_59_arg_1 [L226] SORT_1 var_59 = var_59_arg_0 & var_59_arg_1; [L227] SORT_1 var_61_arg_0 = var_6; [L228] SORT_1 var_61_arg_1 = state_14; [L229] SORT_1 var_61_arg_2 = state_12; [L230] SORT_1 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L231] SORT_1 var_60_arg_0 = var_6; [L232] SORT_1 var_60_arg_1 = state_9; [L233] SORT_1 var_60_arg_2 = state_7; [L234] SORT_1 var_60 = var_60_arg_0 ? var_60_arg_1 : var_60_arg_2; [L235] SORT_1 var_62_arg_0 = var_18; [L236] SORT_1 var_62_arg_1 = var_61; [L237] SORT_1 var_62_arg_2 = var_60; [L238] SORT_1 var_62 = var_62_arg_0 ? var_62_arg_1 : var_62_arg_2; [L239] SORT_1 var_64_arg_0 = var_18; [L240] SORT_1 var_64_arg_1 = state_14; [L241] SORT_1 var_64_arg_2 = state_12; [L242] SORT_1 var_64 = var_64_arg_0 ? var_64_arg_1 : var_64_arg_2; [L243] SORT_1 var_63_arg_0 = var_18; [L244] SORT_1 var_63_arg_1 = state_9; [L245] SORT_1 var_63_arg_2 = state_7; [L246] SORT_1 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L247] SORT_1 var_65_arg_0 = var_18; [L248] SORT_1 var_65_arg_1 = var_64; [L249] SORT_1 var_65_arg_2 = var_63; [L250] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L251] SORT_1 var_66_arg_0 = var_62; [L252] SORT_1 var_66_arg_1 = var_65; [L253] EXPR var_66_arg_0 & var_66_arg_1 [L253] SORT_1 var_66 = var_66_arg_0 & var_66_arg_1; [L254] SORT_1 var_67_arg_0 = var_66; [L255] SORT_1 var_67 = ~var_67_arg_0; [L256] SORT_1 var_68_arg_0 = var_59; [L257] SORT_1 var_68_arg_1 = var_67; [L258] EXPR var_68_arg_0 & var_68_arg_1 [L258] SORT_1 var_68 = var_68_arg_0 & var_68_arg_1; [L259] SORT_1 var_71_arg_0 = var_68; [L260] SORT_1 var_71 = ~var_71_arg_0; [L261] SORT_1 var_72_arg_0 = var_18; [L262] SORT_1 var_72_arg_1 = var_71; [L263] EXPR var_72_arg_0 & var_72_arg_1 [L263] SORT_1 var_72 = var_72_arg_0 & var_72_arg_1; [L264] EXPR var_72 & mask_SORT_1 [L264] var_72 = var_72 & mask_SORT_1 [L265] SORT_1 bad_73_arg_0 = var_72; [L266] CALL __VERIFIER_assert(!(bad_73_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 20:29:33,339 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...