/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.vis_arrays_vsa16a_p8.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 20:56:17,215 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 20:56:17,291 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 20:56:17,294 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 20:56:17,294 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 20:56:17,312 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 20:56:17,313 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 20:56:17,313 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 20:56:17,314 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 20:56:17,317 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 20:56:17,317 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 20:56:17,317 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 20:56:17,318 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 20:56:17,319 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 20:56:17,319 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 20:56:17,319 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 20:56:17,319 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 20:56:17,319 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 20:56:17,320 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 20:56:17,321 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 20:56:17,321 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 20:56:17,321 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 20:56:17,321 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 20:56:17,321 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 20:56:17,322 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 20:56:17,322 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 20:56:17,322 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 20:56:17,322 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 20:56:17,322 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 20:56:17,323 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:56:17,323 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 20:56:17,324 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 20:56:17,324 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 20:56:17,324 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 20:56:17,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 20:56:17,324 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 20:56:17,324 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 20:56:17,324 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 20:56:17,324 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 20:56:17,324 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 20:56:17,325 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 20:56:17,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 20:56:17,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 20:56:17,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 20:56:17,538 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 20:56:17,539 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 20:56:17,539 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p8.c [2023-12-16 20:56:18,580 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 20:56:18,858 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 20:56:18,858 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p8.c [2023-12-16 20:56:18,877 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5528d32af/57a761048e56436c94a6d4957b829c0c/FLAG60ac77895 [2023-12-16 20:56:18,891 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5528d32af/57a761048e56436c94a6d4957b829c0c [2023-12-16 20:56:18,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 20:56:18,895 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 20:56:18,898 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 20:56:18,898 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 20:56:18,901 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 20:56:18,902 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:56:18" (1/1) ... [2023-12-16 20:56:18,903 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ce084a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:56:18, skipping insertion in model container [2023-12-16 20:56:18,903 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:56:18" (1/1) ... [2023-12-16 20:56:18,955 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 20:56:19,114 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.vis_arrays_vsa16a_p8.c[1260,1273] [2023-12-16 20:56:19,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:56:19,411 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 20:56:19,419 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.vis_arrays_vsa16a_p8.c[1260,1273] [2023-12-16 20:56:19,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:56:19,580 INFO L206 MainTranslator]: Completed translation [2023-12-16 20:56:19,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:56:19 WrapperNode [2023-12-16 20:56:19,582 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 20:56:19,583 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 20:56:19,584 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 20:56:19,584 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 20:56:19,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:56:19" (1/1) ... [2023-12-16 20:56:19,630 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:56:19" (1/1) ... [2023-12-16 20:56:19,749 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2985 [2023-12-16 20:56:19,750 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 20:56:19,750 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 20:56:19,750 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 20:56:19,750 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 20:56:19,758 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:56:19" (1/1) ... [2023-12-16 20:56:19,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:56:19" (1/1) ... [2023-12-16 20:56:19,770 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:56:19" (1/1) ... [2023-12-16 20:56:19,823 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 20:56:19,824 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:56:19" (1/1) ... [2023-12-16 20:56:19,824 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:56:19" (1/1) ... [2023-12-16 20:56:19,859 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:56:19" (1/1) ... [2023-12-16 20:56:19,877 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:56:19" (1/1) ... [2023-12-16 20:56:19,889 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:56:19" (1/1) ... [2023-12-16 20:56:19,906 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:56:19" (1/1) ... [2023-12-16 20:56:19,922 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 20:56:19,923 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 20:56:19,923 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 20:56:19,923 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 20:56:19,924 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:56:19" (1/1) ... [2023-12-16 20:56:19,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:56:19,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 20:56:19,959 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 20:56:19,964 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 20:56:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 20:56:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 20:56:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 20:56:19,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 20:56:20,361 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 20:56:20,363 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 20:56:23,450 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 20:56:23,522 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 20:56:23,522 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 20:56:23,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:56:23 BoogieIcfgContainer [2023-12-16 20:56:23,523 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 20:56:23,524 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 20:56:23,524 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 20:56:23,526 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 20:56:23,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 08:56:18" (1/3) ... [2023-12-16 20:56:23,527 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ac2e6fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:56:23, skipping insertion in model container [2023-12-16 20:56:23,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:56:19" (2/3) ... [2023-12-16 20:56:23,527 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ac2e6fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:56:23, skipping insertion in model container [2023-12-16 20:56:23,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:56:23" (3/3) ... [2023-12-16 20:56:23,528 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsa16a_p8.c [2023-12-16 20:56:23,540 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 20:56:23,541 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 20:56:23,570 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 20:56:23,575 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;@1014a363, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 20:56:23,575 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 20:56:23,578 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 20:56:23,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-16 20:56:23,581 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 20:56:23,582 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-16 20:56:23,582 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 20:56:23,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 20:56:23,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-12-16 20:56:23,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 20:56:23,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173984311] [2023-12-16 20:56:23,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 20:56:23,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 20:56:23,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 20:56:23,726 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-16 20:56:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 20:56:23,881 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-16 20:56:23,882 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-16 20:56:23,883 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 20:56:23,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 20:56:23,888 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-16 20:56:23,891 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 20:56:23,927 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-16 20:56:23,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 08:56:23 BoogieIcfgContainer [2023-12-16 20:56:23,945 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 20:56:23,947 INFO L158 Benchmark]: Toolchain (without parser) took 5051.37ms. Allocated memory was 198.2MB in the beginning and 372.2MB in the end (delta: 174.1MB). Free memory was 133.1MB in the beginning and 289.3MB in the end (delta: -156.2MB). Peak memory consumption was 215.5MB. Max. memory is 8.0GB. [2023-12-16 20:56:23,947 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 198.2MB. Free memory was 149.0MB in the beginning and 148.9MB in the end (delta: 136.5kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 20:56:23,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 684.66ms. Allocated memory was 198.2MB in the beginning and 372.2MB in the end (delta: 174.1MB). Free memory was 132.8MB in the beginning and 281.3MB in the end (delta: -148.5MB). Peak memory consumption was 27.4MB. Max. memory is 8.0GB. [2023-12-16 20:56:23,949 INFO L158 Benchmark]: Boogie Procedure Inliner took 166.16ms. Allocated memory is still 372.2MB. Free memory was 281.3MB in the beginning and 258.3MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2023-12-16 20:56:23,952 INFO L158 Benchmark]: Boogie Preprocessor took 172.00ms. Allocated memory is still 372.2MB. Free memory was 258.3MB in the beginning and 236.8MB in the end (delta: 21.5MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2023-12-16 20:56:23,953 INFO L158 Benchmark]: RCFGBuilder took 3599.76ms. Allocated memory is still 372.2MB. Free memory was 236.8MB in the beginning and 137.4MB in the end (delta: 99.4MB). Peak memory consumption was 161.1MB. Max. memory is 8.0GB. [2023-12-16 20:56:23,953 INFO L158 Benchmark]: TraceAbstraction took 421.53ms. Allocated memory is still 372.2MB. Free memory was 136.8MB in the beginning and 289.8MB in the end (delta: -153.0MB). Peak memory consumption was 45.2MB. Max. memory is 8.0GB. [2023-12-16 20:56:23,958 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 198.2MB. Free memory was 149.0MB in the beginning and 148.9MB in the end (delta: 136.5kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 684.66ms. Allocated memory was 198.2MB in the beginning and 372.2MB in the end (delta: 174.1MB). Free memory was 132.8MB in the beginning and 281.3MB in the end (delta: -148.5MB). Peak memory consumption was 27.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 166.16ms. Allocated memory is still 372.2MB. Free memory was 281.3MB in the beginning and 258.3MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 172.00ms. Allocated memory is still 372.2MB. Free memory was 258.3MB in the beginning and 236.8MB in the end (delta: 21.5MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * RCFGBuilder took 3599.76ms. Allocated memory is still 372.2MB. Free memory was 236.8MB in the beginning and 137.4MB in the end (delta: 99.4MB). Peak memory consumption was 161.1MB. Max. memory is 8.0GB. * TraceAbstraction took 421.53ms. Allocated memory is still 372.2MB. Free memory was 136.8MB in the beginning and 289.8MB in the end (delta: -153.0MB). Peak memory consumption was 45.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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 182. 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 - 16) [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 16); [L30] EXPR (SORT_3)1 << (16 - 1) [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (16 - 1); [L32] EXPR (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 3) [L32] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 3); [L33] EXPR (SORT_9)1 << (3 - 1) [L33] const SORT_9 msb_SORT_9 = (SORT_9)1 << (3 - 1); [L35] EXPR (SORT_17)-1 >> (sizeof(SORT_17) * 8 - 2) [L35] const SORT_17 mask_SORT_17 = (SORT_17)-1 >> (sizeof(SORT_17) * 8 - 2); [L36] EXPR (SORT_17)1 << (2 - 1) [L36] const SORT_17 msb_SORT_17 = (SORT_17)1 << (2 - 1); [L38] EXPR (SORT_48)-1 >> (sizeof(SORT_48) * 8 - 12) [L38] const SORT_48 mask_SORT_48 = (SORT_48)-1 >> (sizeof(SORT_48) * 8 - 12); [L39] EXPR (SORT_48)1 << (12 - 1) [L39] const SORT_48 msb_SORT_48 = (SORT_48)1 << (12 - 1); [L41] const SORT_85 mask_SORT_85 = (SORT_85)-1 >> (sizeof(SORT_85) * 8 - 17); [L42] const SORT_85 msb_SORT_85 = (SORT_85)1 << (17 - 1); [L44] EXPR (SORT_86)-1 >> (sizeof(SORT_86) * 8 - 5) [L44] const SORT_86 mask_SORT_86 = (SORT_86)-1 >> (sizeof(SORT_86) * 8 - 5); [L45] EXPR (SORT_86)1 << (5 - 1) [L45] const SORT_86 msb_SORT_86 = (SORT_86)1 << (5 - 1); [L47] EXPR (SORT_89)-1 >> (sizeof(SORT_89) * 8 - 9) [L47] const SORT_89 mask_SORT_89 = (SORT_89)-1 >> (sizeof(SORT_89) * 8 - 9); [L48] EXPR (SORT_89)1 << (9 - 1) [L48] const SORT_89 msb_SORT_89 = (SORT_89)1 << (9 - 1); [L50] EXPR (SORT_91)-1 >> (sizeof(SORT_91) * 8 - 10) [L50] const SORT_91 mask_SORT_91 = (SORT_91)-1 >> (sizeof(SORT_91) * 8 - 10); [L51] EXPR (SORT_91)1 << (10 - 1) [L51] const SORT_91 msb_SORT_91 = (SORT_91)1 << (10 - 1); [L53] EXPR (SORT_94)-1 >> (sizeof(SORT_94) * 8 - 11) [L53] const SORT_94 mask_SORT_94 = (SORT_94)-1 >> (sizeof(SORT_94) * 8 - 11); [L54] EXPR (SORT_94)1 << (11 - 1) [L54] const SORT_94 msb_SORT_94 = (SORT_94)1 << (11 - 1); [L56] EXPR (SORT_99)-1 >> (sizeof(SORT_99) * 8 - 13) [L56] const SORT_99 mask_SORT_99 = (SORT_99)-1 >> (sizeof(SORT_99) * 8 - 13); [L57] EXPR (SORT_99)1 << (13 - 1) [L57] const SORT_99 msb_SORT_99 = (SORT_99)1 << (13 - 1); [L59] EXPR (SORT_102)-1 >> (sizeof(SORT_102) * 8 - 14) [L59] const SORT_102 mask_SORT_102 = (SORT_102)-1 >> (sizeof(SORT_102) * 8 - 14); [L60] EXPR (SORT_102)1 << (14 - 1) [L60] const SORT_102 msb_SORT_102 = (SORT_102)1 << (14 - 1); [L62] EXPR (SORT_105)-1 >> (sizeof(SORT_105) * 8 - 15) [L62] const SORT_105 mask_SORT_105 = (SORT_105)-1 >> (sizeof(SORT_105) * 8 - 15); [L63] EXPR (SORT_105)1 << (15 - 1) [L63] const SORT_105 msb_SORT_105 = (SORT_105)1 << (15 - 1); [L65] EXPR (SORT_138)-1 >> (sizeof(SORT_138) * 8 - 7) [L65] const SORT_138 mask_SORT_138 = (SORT_138)-1 >> (sizeof(SORT_138) * 8 - 7); [L66] EXPR (SORT_138)1 << (7 - 1) [L66] const SORT_138 msb_SORT_138 = (SORT_138)1 << (7 - 1); [L68] EXPR (SORT_371)-1 >> (sizeof(SORT_371) * 8 - 4) [L68] const SORT_371 mask_SORT_371 = (SORT_371)-1 >> (sizeof(SORT_371) * 8 - 4); [L69] EXPR (SORT_371)1 << (4 - 1) [L69] const SORT_371 msb_SORT_371 = (SORT_371)1 << (4 - 1); [L71] EXPR (SORT_374)-1 >> (sizeof(SORT_374) * 8 - 6) [L71] const SORT_374 mask_SORT_374 = (SORT_374)-1 >> (sizeof(SORT_374) * 8 - 6); [L72] EXPR (SORT_374)1 << (6 - 1) [L72] const SORT_374 msb_SORT_374 = (SORT_374)1 << (6 - 1); [L74] EXPR (SORT_377)-1 >> (sizeof(SORT_377) * 8 - 8) [L74] const SORT_377 mask_SORT_377 = (SORT_377)-1 >> (sizeof(SORT_377) * 8 - 8); [L75] EXPR (SORT_377)1 << (8 - 1) [L75] const SORT_377 msb_SORT_377 = (SORT_377)1 << (8 - 1); [L77] const SORT_3 var_6 = 0; [L78] const SORT_9 var_11 = 3; [L79] const SORT_9 var_14 = 1; [L80] const SORT_9 var_23 = 0; [L81] const SORT_1 var_35 = 1; [L82] const SORT_1 var_43 = 0; [L83] const SORT_48 var_49 = 0; [L84] const SORT_9 var_62 = 2; [L85] const SORT_9 var_70 = 4; [L86] const SORT_9 var_72 = 5; [L87] const SORT_86 var_87 = 0; [L88] const SORT_138 var_140 = 5; [L89] const SORT_138 var_144 = 4; [L90] const SORT_138 var_148 = 3; [L91] const SORT_138 var_152 = 2; [L92] const SORT_138 var_156 = 1; [L93] const SORT_138 var_160 = 0; [L94] const SORT_48 var_199 = 2; [L95] const SORT_17 var_215 = 0; [L96] const SORT_3 var_222 = 65535; [L98] SORT_1 input_2; [L99] SORT_3 input_4; [L100] SORT_3 input_5; [L101] SORT_3 input_211; [L102] SORT_3 input_212; [L103] SORT_3 input_213; [L104] SORT_3 input_221; [L105] SORT_3 input_229; [L106] SORT_3 input_230; [L107] SORT_3 input_231; [L108] SORT_3 input_234; [L109] SORT_3 input_252; [L110] SORT_3 input_253; [L111] SORT_3 input_254; [L112] SORT_3 input_257; [L113] SORT_3 input_259; [L114] SORT_17 input_273; [L115] SORT_17 input_274; [L116] SORT_17 input_275; [L118] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L118] SORT_3 state_7 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 [L119] SORT_9 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L120] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L120] SORT_3 state_28 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L121] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L121] SORT_3 state_39 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L122] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L122] SORT_3 state_41 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L123] SORT_1 state_44 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L124] SORT_3 state_46 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L125] EXPR __VERIFIER_nondet_ushort() & mask_SORT_48 [L125] SORT_48 state_50 = __VERIFIER_nondet_ushort() & mask_SORT_48; [L126] EXPR __VERIFIER_nondet_ushort() & mask_SORT_48 [L126] SORT_48 state_52 = __VERIFIER_nondet_ushort() & mask_SORT_48; [L127] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L127] SORT_3 state_54 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L128] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L128] SORT_3 state_56 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L129] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L129] SORT_3 state_58 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L130] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L130] SORT_3 state_60 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L132] SORT_3 init_8_arg_1 = var_6; [L133] state_7 = init_8_arg_1 [L134] SORT_9 init_25_arg_1 = var_23; [L135] state_24 = init_25_arg_1 [L136] SORT_3 init_29_arg_1 = var_6; [L137] state_28 = init_29_arg_1 [L138] SORT_3 init_40_arg_1 = var_6; [L139] state_39 = init_40_arg_1 [L140] SORT_3 init_42_arg_1 = var_6; [L141] state_41 = init_42_arg_1 [L142] SORT_1 init_45_arg_1 = var_43; [L143] state_44 = init_45_arg_1 [L144] SORT_3 init_47_arg_1 = var_6; [L145] state_46 = init_47_arg_1 [L146] SORT_48 init_51_arg_1 = var_49; [L147] state_50 = init_51_arg_1 [L148] SORT_48 init_53_arg_1 = var_49; [L149] state_52 = init_53_arg_1 [L150] SORT_3 init_55_arg_1 = var_6; [L151] state_54 = init_55_arg_1 [L152] SORT_3 init_57_arg_1 = var_6; [L153] state_56 = init_57_arg_1 [L154] SORT_3 init_59_arg_1 = var_6; [L155] state_58 = init_59_arg_1 [L156] SORT_3 init_61_arg_1 = var_6; [L157] state_60 = init_61_arg_1 VAL [init_25_arg_1=0, init_29_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_8_arg_1=0, mask_SORT_102=0, mask_SORT_105=0, mask_SORT_138=0, mask_SORT_17=0, mask_SORT_1=0, mask_SORT_371=0, mask_SORT_374=0, mask_SORT_377=0, mask_SORT_3=0, mask_SORT_48=0, mask_SORT_86=0, mask_SORT_89=0, mask_SORT_91=0, mask_SORT_94=0, mask_SORT_99=0, mask_SORT_9=0, msb_SORT_102=0, msb_SORT_105=0, msb_SORT_138=0, msb_SORT_17=0, msb_SORT_1=0, msb_SORT_371=0, msb_SORT_374=0, msb_SORT_377=0, msb_SORT_3=0, msb_SORT_48=0, msb_SORT_86=0, msb_SORT_89=0, msb_SORT_91=0, msb_SORT_94=0, msb_SORT_99=0, msb_SORT_9=0, state_24=0, state_28=0, state_39=0, state_41=0, state_44=0, state_46=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_7=0, var_11=3, var_140=5, var_144=4, var_148=3, var_14=1, var_152=2, var_156=1, var_160=0, var_199=2, var_215=0, var_222=65535, var_23=0, var_35=1, var_43=0, var_49=0, var_62=2, var_6=0, var_70=4, var_72=5, var_87=0] [L160] input_2 = __VERIFIER_nondet_uchar() [L161] input_4 = __VERIFIER_nondet_ushort() [L162] input_5 = __VERIFIER_nondet_ushort() [L163] input_211 = __VERIFIER_nondet_ushort() [L164] input_212 = __VERIFIER_nondet_ushort() [L165] input_213 = __VERIFIER_nondet_ushort() [L166] input_221 = __VERIFIER_nondet_ushort() [L167] input_229 = __VERIFIER_nondet_ushort() [L168] input_230 = __VERIFIER_nondet_ushort() [L169] input_231 = __VERIFIER_nondet_ushort() [L170] input_234 = __VERIFIER_nondet_ushort() [L171] input_252 = __VERIFIER_nondet_ushort() [L172] input_253 = __VERIFIER_nondet_ushort() [L173] input_254 = __VERIFIER_nondet_ushort() [L174] input_257 = __VERIFIER_nondet_ushort() [L175] input_259 = __VERIFIER_nondet_ushort() [L176] input_273 = __VERIFIER_nondet_uchar() [L177] input_274 = __VERIFIER_nondet_uchar() [L178] input_275 = __VERIFIER_nondet_uchar() [L181] SORT_3 var_10_arg_0 = state_7; [L182] EXPR var_10_arg_0 >> 0 [L182] SORT_9 var_10 = var_10_arg_0 >> 0; [L183] EXPR var_10 & mask_SORT_9 [L183] var_10 = var_10 & mask_SORT_9 [L184] SORT_9 var_12_arg_0 = var_10; [L185] SORT_9 var_12_arg_1 = var_11; [L186] SORT_1 var_12 = var_12_arg_0 == var_12_arg_1; [L187] SORT_3 var_13_arg_0 = state_7; [L188] EXPR var_13_arg_0 >> 9 [L188] SORT_9 var_13 = var_13_arg_0 >> 9; [L189] EXPR var_13 & mask_SORT_9 [L189] var_13 = var_13 & mask_SORT_9 [L190] SORT_9 var_15_arg_0 = var_13; [L191] SORT_9 var_15_arg_1 = var_14; [L192] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L193] SORT_1 var_16_arg_0 = var_12; [L194] SORT_1 var_16_arg_1 = var_15; [L195] EXPR var_16_arg_0 & var_16_arg_1 [L195] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L196] SORT_3 var_18_arg_0 = state_7; [L197] EXPR var_18_arg_0 >> 3 [L197] SORT_17 var_18 = var_18_arg_0 >> 3; [L198] EXPR var_18 & mask_SORT_17 [L198] var_18 = var_18 & mask_SORT_17 [L199] SORT_3 var_19_arg_0 = state_7; [L200] EXPR var_19_arg_0 >> 5 [L200] SORT_17 var_19 = var_19_arg_0 >> 5; [L201] EXPR var_19 & mask_SORT_17 [L201] var_19 = var_19 & mask_SORT_17 [L202] SORT_17 var_20_arg_0 = var_18; [L203] SORT_17 var_20_arg_1 = var_19; [L204] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L205] SORT_1 var_21_arg_0 = var_16; [L206] SORT_1 var_21_arg_1 = var_20; [L207] EXPR var_21_arg_0 & var_21_arg_1 [L207] SORT_1 var_21 = var_21_arg_0 & var_21_arg_1; [L208] SORT_1 var_22_arg_0 = var_21; [L209] SORT_1 var_22 = ~var_22_arg_0; [L210] SORT_9 var_26_arg_0 = state_24; [L211] EXPR var_26_arg_0 >> 2 [L211] SORT_1 var_26 = var_26_arg_0 >> 2; [L212] SORT_1 var_27_arg_0 = var_26; [L213] SORT_1 var_27 = ~var_27_arg_0; [L214] SORT_3 var_30_arg_0 = state_28; [L215] SORT_3 var_30_arg_1 = var_6; [L216] SORT_1 var_30 = var_30_arg_0 == var_30_arg_1; [L217] SORT_1 var_31_arg_0 = var_27; [L218] SORT_1 var_31_arg_1 = var_30; [L219] EXPR var_31_arg_0 | var_31_arg_1 [L219] SORT_1 var_31 = var_31_arg_0 | var_31_arg_1; [L220] SORT_1 var_32_arg_0 = var_22; [L221] SORT_1 var_32_arg_1 = var_31; [L222] EXPR var_32_arg_0 | var_32_arg_1 [L222] SORT_1 var_32 = var_32_arg_0 | var_32_arg_1; [L223] SORT_1 var_36_arg_0 = var_32; [L224] SORT_1 var_36 = ~var_36_arg_0; [L225] SORT_1 var_37_arg_0 = var_35; [L226] SORT_1 var_37_arg_1 = var_36; [L227] EXPR var_37_arg_0 & var_37_arg_1 [L227] SORT_1 var_37 = var_37_arg_0 & var_37_arg_1; [L228] EXPR var_37 & mask_SORT_1 [L228] var_37 = var_37 & mask_SORT_1 [L229] SORT_1 bad_38_arg_0 = var_37; [L230] CALL __VERIFIER_assert(!(bad_38_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: 0.3s, 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, 0.1s 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 20:56:23,977 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...